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  • An Exploration Into The Ever-changing Expanse of Non-periodic Tilings

    Creator:
    Tassin, Ian
    Abstract:
    This paper synthesizes various works Wang tiles up to this point, including: the reduction from the Halting Problem to Wang Tiling Problem and notions around various aspects of periodicity, including minimal period, aperiodicity, and axis-aligned periodicity. Additionally it includes new work, including: a proof that a tiling can be periodic...
    Resource Type:
    Honors College Thesis
    Full Text:
    The Ever-changing Expanse of Non-periodic Tilings by Ian Tassin A THESIS submitted to Oregon

  • A C source code browsing system

    Creator:
    Steinkamp, James M.
    Abstract:
    A project is described wherein a source code browser was implemented based upon tasks performed by software engineers looking for source code modules with only UNIX utilities. These tasks were discovered by observing the actions of software engineers looking for code modules in a library, The success of the implementation...
    Resource Type:
    Capstone Project
    Full Text:
    ) A C Source Code Browsing System Produced for an Oregon

  • Exploratory Study to Uncover Student Mental Models of Singly Linked Lists in the C Programming Language

    Creator:
    Almadhoun, Eman
    Abstract:
    In computer science, learning abstract fundamental programming concepts requiring students to understand memory management can be very difficult and lead to misunderstandings that carry on into advanced topics. This is especially true in data structures with abstract data types. Understanding how novice students think and reason about data structures is...
    Resource Type:
    Dissertation
    Full Text:
    : Exploratory Study to Uncover Student Mental Models of Singly Linked Lists in the C Programming Language

  • Programming simulations using object-oriented languages with examples in C++

    Creator:
    Lupiya, Grant
    Abstract:
    In this project we examine the features of object oriented programming languages that make them most likely languages of choice for implementing simulations. Three simulations of a bank, hospital, and livestock farm scenarios were implemented in the language C++ in order to demonstrate how Object-Oriented languages are used in constructing...
    Resource Type:
    Capstone Project
    Full Text:
    Object-oriented, LISP- based, and c extensions .................................... 10 3.1 Object

  • PC++ : an extension of C++ for parallel programming

    Creator:
    Bae, Myungmun
    Abstract:
    Understanding of techniques that can be used to develop software for various parallel machines has not fully matched the dramatic progress in hardware in recent years. Most parallel programming techniques have been closely tied to specific hardware. Different machines have different primitives and architectures. Programming and porting an application with...
    Resource Type:
    Capstone Project
    Full Text:
    ) PC++: An Extension of c++ for Parallel Programming

  • Position-Dependent Codon Usage Bias in the Human Transcriptome

    Creator:
    Subramanian, Kaavya
    Abstract:
    All life depends on the reliable translation of RNA to protein according to complex interactions between translation machinery and RNA sequence features. While ribosomal occupancy and codon frequencies vary across coding regions, well-established metrics for computing coding potential of RNA do not capture such positional dependence. Here, we investigate position-dependent...
    Resource Type:
    Honors College Thesis
    Full Text:
    :_____________________________________________________ David Hendrix All life depends on the reliable translation of RNA to protein according

  • Computational Approaches for RNA Structure Prediction with Dynamic Programming and Deep Neural Networks

    Creator:
    Deng, Dezhong
    Abstract:
    Our goal is to build a system to model the RNA sequences that reveals their structural information by using efficient dynamic programming algorithms and deep learning approaches. We aim to 1) achieve linear-time for RNA secondary structure prediction based on existing minimum free energy models; 2) utilize deep neural networks...
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: David A. Hendrix Our goal is to build a system to model the RNA sequences that reveals

  • New Strategies to Develop Hidden Markov Models Combining KEGG and Pfam

    Creator:
    Gupta, Sonica
    Abstract:
    Profile Hidden Markov Models utilize the information stored in a multiple sequence alignment such as its residues and conserved regions to assign probabilities at each column. This indicates areas in the sequences where similar functionality is observed. These probability weights are then combined to assign a sequence score, which is...
    Resource Type:
    Honors College Thesis
    Full Text:
    . Abstract approved:_____________________________________________________ Maude David Profile

  • An enhanced version of Caesar supporting 45° geometries

    Creator:
    Lanfri, Ann R.
    Abstract:
    Caesar is an interactive graphic editor that is used to generate layouts for VLSI circuits. It runs on a VAX-11 /780 under the UNIX operating system with Berkeley extensions. Caesar has a unique and simple user interface. Phled is an enhanced version of Caesar that runs on a M68000-based engineering...
    Resource Type:
    Capstone Project
    Full Text:
    Berkeley by John Ousterhout [1] in the C language and contains about 15,000 lines of source code

  • Determining free energies of hard sphere fluids via Monte Carlo simulation

    Creator:
    Valeskea, Austin
    Abstract:
    Free energy is a fundamental property of a thermodynamic system, from which pressure, entropy, and other interesting properties can be derived. It is useful, then, to be able to accurately compute the free energy at various densities and temperatures in a way that can serve as the basis for further...
    Resource Type:
    Honors College Thesis
    Full Text:
    . Abstract approved: David Roundy Free energy is a fundamental property of a thermodynamic system, from

  • Tracing the Pacific Islander Diaspora in the Pacific Northwest

    Creator:
    Yarbrough, Nicole
    Abstract:
    The Pacific Islander diaspora in the Pacific Northwest United States is a unique community characterized by diverse cultures, experiences, and motivations for migration. This study aimed to explore the narratives of individuals from different Pacific Islander backgrounds residing in Oregon, shedding light on their reasons for migration and the impact...
    Resource Type:
    Honors College Thesis
    Full Text:
    Abstract approved: _____________________________________________________ David G. Lewis The

  • Modelling Gas Adsorption inside Metal-Organic Frameworks using a Grand-Canonical Monte Carlo Algorithm

    Creator:
    York, Arthur H.
    Abstract:
    Metal-organic frameworks are promising novel materials for gas storage and separations because of their extremely high internal surface area and their modular structures based on metal nodes and organic linker molecules. Due to their modular design, it is possible to finely tune a structure for optimal storage of a specific...
    Resource Type:
    Honors College Thesis
    Full Text:
    , Chemical, and Environmental Engineering David Roundy, Committee Member, representing Department of Physics

  • Deep Learning for Human and Biological Languages

    Creator:
    Hong, Junki
    Abstract:
    We explore the application of deep learning to the disparate fields of natural language processing and computational biology. Both the sentences uttered by humans as well as the RNA and protein sequences found within the cells of their bodies can be considered formal languages in computer science, as sets of...
    Resource Type:
    Dissertation
    Full Text:
    Human and Biological Languages Abstract approved: David Hendrix and Liang Huang We explore the

  • Machine Learning Methods for the Discovery and Analysis of MicroRNAs

    Creator:
    Bell, Jimmy D.
    Abstract:
    MicroRNAs are a highly conserved class of small endogenous RNA, about ~22nt in length, involved in post-transcriptional gene silencing and have prominent roles in disease and development. Though the process of microRNA discovery was once an arduous task, the advent of high throughput sequencing technology has resulted in novel microRNAs...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ David A. Hendrix MicroRNAs are a highly conserved class of small endogenous RNA, about

  • Interpretable Machine Learning: Applications in Biology and Genomics

    Creator:
    Danaee, Padideh
    Abstract:
    Machine learning (ML) and deep learning (DL) models impact our daily lives with applications in natural language modeling, image analysis, healthcare, genomics, and bioinformatics. The exponential growth of biological sequence data necessitates accompanying advances in computational methods. Although deep learning is highly effective for detecting and classifying biological sequences, challenges...
    Resource Type:
    Dissertation
    Full Text:
    Machine Learning: Applications in Biology and Genomics Abstract approved: David A. Hendrix Machine

  • Effectiveness of using two and three-parameter distributions in place of "best-fit distributions" in discrete event simulation models of production lines

    Creator:
    Sharma, Akash
    Abstract:
    This study presents the results of using common two or three-parameter "default" distributions in place of "best fit distributions" in simulations of serial production lines with finite buffers and blocking. The default distributions used instead of the best-fit distribution are chosen such that they are non-negative, unbounded, and can match...
    Resource Type:
    Masters Thesis
    Full Text:
    Event Simulation Models of Production Lines. Abstract approved: David S. Kim This study presents the

  • Type-correct changes — a safe approach to version control implementation

    Creator:
    Dagit, Jason
    Abstract:
    Ensuring correctness of real-world software applications is a challenging task. Testing can be used to find many bugs, but is typically not sufficient for proving correctness or even eliminating entire classes of bugs. However, formal proof and verification techniques tend to be very heavy weight and are simply not available...
    Resource Type:
    Masters Thesis
    Full Text:
    Implementation Abstract approved: David Roundy Martin Erwig Ensuring correctness of real-world software

  • The role of documentation in program modification tasks

    Creator:
    Tolman, David M.
    Abstract:
    This paper reports the findings of two studies conducted at Oregon State University. The first set of studies compares use of header comments versus mnemonic procedure and function names by programmers performing tasks relating to modification tasks. The second study compares the use of header comments versus in-line comments when...
    Resource Type:
    Capstone Project
    Full Text:
    Submitted by David M. Tolman · in partial fulfillment of the requirements for ·the degree ·~ Master of

  • Modeling programmer navigation : an empirical evaluation of predictive models

    Creator:
    Piorkowski, David
    Abstract:
    Software developers frequently need to perform code maintenance tasks, but doing so requires time-consuming navigation through code. A variety of tools are aimed at easing this navigation by using models to predict places in the code that a developer might want to visit, and then providing shortcuts so that the...
    Resource Type:
    Masters Thesis
    Full Text:
    Predictive Models AN ABSTRACT OF THE THESIS OF David Piorkowski for the degree of Master of

  • Information Foraging Theory as a Unifying Foundation for Software Engineering Research : Connecting the Dots

    Creator:
    Piorkowski, David
    Abstract:
    Empirical studies have shown that programmers spend up to one-third of their time navigating through code during debugging. Although researchers have conducted empirical studies to understand programmers’ navigation difficulties and developed tools to address those difficulties, the resulting findings tend to be loosely connected to each other. To address this...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF David Piorkowski for the degree of Doctor of Philosophy in

  • Shape Modeling and GPU Based Image Warping

    Creator:
    Burri, David
    Abstract:
    This project addresses the problems of manually placing facial landmarks on a portrait and finding a fast way to warp the annotated image of a face. While there are many approaches to automatically find facial landmarks, most of them provide insufficient results in uncontrolled environments. Thus I introduce a method...
    Resource Type:
    Capstone Project
    Full Text:
    20X speedup performing piecewise warping using the GPU. c©Copyright by David Burri August 14, 2012

  • A generalization of tree automata and its relation to matrix grammars

    Creator:
    Vomocil, David Leo
    Abstract:
    In this thesis we introduce alpha and beta tree acceptors, generalizations of tree automata. The alpha tree acceptors recognize a tree by final symbol and the beta tree acceptors by final state. We show that alpha and beta tree acceptors recognize the same sets of Gorn trees and demonstrate that...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF DAVID LEO VOMOCIL for the

  • Oregon Relational Spatial Topology (ORST) Representation

    Creator:
    Hunt, David
    Abstract:
    We designed a concise way to store and manipulate GIS coverage data in a geospatial database. Our geospatial database is implemented with PostgreSQL and PostGIS. PostgreSQL is an object-relational database, and PostGIS supports various geospatial operations as an SQL extension. In our Oregon Relational Spatial Topology (ORST) approach, topological relationships...
    Resource Type:
    Capstone Project
    Full Text:
    Topology (ORST) Representation by David Hunt Submitted to Oregon State University In

  • Evaluating social media attention interventions

    Creator:
    Gasper, David M.
    Abstract:
    Social media platforms use many techniques to engage users' attention with their platforms, including notifications, popups, and gamification elements. The impact of social media on physical and mental health has been studied, but limited publicly available research exists on how social media users can be helped to disengage from these...
    Resource Type:
    Honors College Thesis
    Full Text:
    by David Motz Gasper A THESIS submitted to Oregon State University Honors College in

  • Implementation of a Java Graphical User Interface for the Visual Programming Language Forms/3

    Creator:
    Hackenyos, David P.
    Abstract:
    The visual programming language Forms/3 currently uses a graphical user interface implemented in Garnet. Garnet was developed by the User Interface Software Group in the Human Computer Interaction Institute at Carnegie Mellon University, but is no longer supported. This paper presents an implementation of a user interface for Forms/3 written...
    Resource Type:
    Capstone Project
    Full Text:
    for the Visual Programming Language Forms/3 by David P. Hackenyos B.S., University of Utah, 1989

  • Comparison of the Longevities of Roman and Modern Construction Projects

    Creator:
    Taylor, David D.
    Abstract:
    Throughout Europe, Northern Africa, and the Near East, hundreds of Roman ruins lie scattered about. Many Roman aqueducts, bridges, roads, and even buildings remain standing over two thousand years after their construction, as functional as the day they were built. In the modern United States, however, many public works projects...
    Resource Type:
    Honors College Thesis
    Full Text:
    David D. Taylor UHC Thesis Spring 2012 An Abstract

  • The cloze procedure : a proposal for a measure of program comprehension

    Creator:
    Foote, David A.
    Resource Type:
    Capstone Project
    Full Text:
    10th day of August, 1Sl82 TYfed by David A. Foote for David A. Foote ------------------- The Cloze

  • The Oregon State Simulation Model command processing system

    Creator:
    Neuberger, Rosalyn C.
    Resource Type:
    Capstone Project
    Full Text:
    PROCESSING SYSTEM BY Rosalyn C. Neuberger A Research Project Report submitted to Department of

  • Walking tree methods for biological string matching

    Creator:
    Hsu, Tai C.
    Abstract:
    Approximate string matching is commonly used to align genetic sequences (DNA or RNA) to determine their shared characteristics. In contrast with the standard dynamic programming methods which use local edit distance models, the Walking Tree heuristic method was created to handle non-local changes, e.g., translocations, inversions, and duplications, altogether and...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF Tai C. Hsu for the degree of

  • Automatic Classification of Ultrasonic Harbor Porpoise Clicks in a Varying Noise Environment

    Creator:
    De Leon, Daniel
    Abstract:
    This study compares three approaches in the design of an autonomous machine listening agent that predicts harbor porpoise ultrasonic echolocation clicks in diverse noise environments. Considering the temporal variations of noisy coastal ocean soundscapes which the harbor porpoises inhabit, we propose a leave-one-day-out (LODO) cross-validation strategy in the training of...
    Resource Type:
    Masters Thesis

  • The Pursuit of Hoppiness : Propelling Hop into the Genomic Era

    Creator:
    Hill, Steven T.
    Abstract:
    Hop (Humulus lupulus L. var lupulus) is a plant of great cultural significance, used as a medicinal herb for thousands of years, and for flavor and as a preservative in brewing beer. Studies of the medicinal effects of the unique compounds produced by hop have led to interest from the...
    Resource Type:
    Masters Thesis
    Full Text:
    David A. Hendrix John A. Henning Hop (Humulus lupulus L. var

  • Information Theoretical Analysis of Self-Similar Trees

    Creator:
    Chunikhina, Evgenia V.
    Abstract:
    Tree-like patterns are ubiquitous in nature. Botanical trees, river networks, and blood systems are the most well-known examples of complex hierarchical systems met in observations. Interestingly, many of such systems exhibit statistical self-similarity. There are two main types of self-similarity: Horton self-similarity and Tokunaga self-similarity. Although there is an increased...
    Resource Type:
    Dissertation
    Full Text:
    the number of vertices of the tree grows to infinity. c©Copyright by Evgenia V. Chunikhina August

  • A computer-simulated Stern-Gerlach laboratory

    Creator:
    Jia, Lichun
    Abstract:
    This project aims at building a Java application and a Java applet that would simulate a Stern-Gerlach laboratory in Quantum Mechanics. The project provides a tool for allowing the student to quickly design and run on the computer screen a number of experiments involving spin systems. This application could be...
    Resource Type:
    Capstone Project
    Full Text:
    Professor : Dr. Timothy Budd Minor Professor : Dr. Gregg Rothermel Committee member: Dr. David McIntyre

  • Transformers for representing microbiome data: an empirical evaluation

    Creator:
    Varma, Rohan
    Abstract:
    As the link between human microbiomes and health has become more established, the interest in applying statistical approaches to microbiome data to understand the mechanisms behind these links has grown. However, microbiome data is often of unmanageable size, and consequently, producing quality lower dimensional representations of samples is a significant...
    Resource Type:
    Honors College Thesis
    Full Text:
    , Mentor, representing Electrical Engineering and Computer Science Maude David, Committee Member

  • PEESHTAZ : the interactive computer programming system in Farsi

    Creator:
    Ayromloo, Shahram Shawn
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: SYSTEM IN FARSI Redacted for Privacy c. T- E. Coheen Most of the computer programming

  • The ChildsPlay Approach: Evaluating an Experimental Approach for Teaching Introductory CS at University

    Creator:
    Nelson, Aiden J.
    Abstract:
    University students first learning about computer science (CS) can be intimidated and frustrated by programming. In addition, the general-purpose programming languages chosen for introducing students to programming contain several features that have the potential to overwhelm and distract them from focused curriculum topics, which can lead to reduced retention of...
    Resource Type:
    Masters Thesis
    Full Text:
    programming) better prepare students for the subsequent C++ classes than the traditional approach

  • Empirical studies of the effects of incorporating fault exposure potential estimates into a test data adequacy criterion

    Creator:
    Chen, Wei
    Abstract:
    Researchers have hypothesized that if we could estimate the probability that a fault in a code component will a cause a failure, we could use this estimate to improve the fault-detection effectiveness of code-coverage-based testing. If this hypothesis could be supported, it would motivate further research in this area and...
    Resource Type:
    Masters Thesis
    Full Text:
    . Curtis Cook and Dr. David Birkes, for serving on my committee. Thanks also to Dr. Roland Untch of

  • Prediction of gene transcription start sites and initiation patterns from DNA sequence content

    Creator:
    Morton, Taj H.
    Abstract:
    The computational identification of gene Transcription Start Sites (TSSs) can provide insights into the regulation and function of genes without performing expensive experiments, particularly in organisms with incomplete annotations. High-resolution general-purpose TSS prediction remains a challenging problem, with little recent progress on the identification and differentiation of TSSs which are...
    Resource Type:
    Masters Thesis
    Full Text:
    . I would also like to thank my committee for their time and guidance: Dr. David Hendrix and Dr

  • Machine Learning and Optimization Applications in Agriculture

    Creator:
    Molotkov, Alexander
    Abstract:
    The ever-increasing global population presents looming problems for the field of agriculture. Global food demand will, at some point, increase to the point where there is not enough crop-ready land to keep up. This creates an additional incentive, other than economics, for growers to increase their yield-per-acre and make sure...
    Resource Type:
    Honors College Thesis
    Full Text:
    Agor The ever-increasing global population presents looming problems for the field of agriculture

  • Climate Change Analysis and Visualization with Unreal Engine

    Creator:
    Jeong, Junhyeok, Shahbaz Badr, Arash, and De Amicis, Raffaele
    Abstract:
    As one of database types, CSV type database is widely used by many people because the type serves various useful purposes for business, engineering, and environment. However, the CSV type database could be complicated to understand because it is usually written on spreadsheet like Microsoft Excel format. Therefore, data visualization...
    Resource Type:
    Poster
    Full Text:
    and an ever increasing part of managing our daily life [1]. METHODS Unreal Engine Blueprint

  • Object highlighting : real-time boundary detection using a Bayesian network

    Creator:
    Jia, Jin
    Abstract:
    Image segmentation continues to be a fundamental problem in computer vision and image understanding. In this thesis, we present a Bayesian network that we use for object boundary detection in which the MPE (most probable explanation) before any evidence can produce multiple non-overlapping, non-self-intersecting closed contours and the MPE with...
    Resource Type:
    Masters Thesis
    Full Text:
    thank Professor Ron Metoyer, Professor Prasad Tadepalli and Professor David Birkes for being on my

  • Exploration of regression models for cancer noncoding mutation recurrence

    Creator:
    Xu, Tanjin
    Abstract:
    An important impact of the genome technology revolution will be the elucidation of mechanisms of cancer pathogenesis, leading to improvements in the diagnosis of cancer and the selection of cancer treatment. Integrated with current well-studied massive knowledge and findings about the role of protein-coding mutations in cancer, demystifying the functional...
    Resource Type:
    Masters Thesis
    Full Text:
    for further biological validation and eventually improved cancer therapy. c©Copyright by Tanjin Xu

  • A Distributed Scheme for Accelerating and Scaling PSPNet

    Creator:
    Krishna, Ajay
    Abstract:
    Advances in deep learning based image processing have led to their adoption for a wide range of applications, and in tow with these developments is a dramatic increase in the availability of high quality datasets. With this comes the need to accelerate and scale deep learning applications in order to...
    Resource Type:
    Masters Thesis
    Full Text:
    thesis committee, Dr. Prasad Tadepalli and Dr. David Roundy, for their insightful comments and timely

  • Parsing with Recurrent Neural Networks

    Creator:
    Cross, James Henry, III
    Abstract:
    Machine learning models for natural language processing have traditionally relied on large numbers of discrete features, built up from atomic categories such as word forms and part-of-speech labels, which are considered completely distinct from each other. Recently however, the advent of dense feature representations coupled with deep learning techniques has...
    Resource Type:
    Dissertation
    Full Text:
    a state-of-the-art transition-based constituency parser, the first ever to achieve competitive

  • Efficient Private Matching for Private Databases

    Creator:
    Trieu, Thi Ni Ni
    Abstract:
    Private matching (PM) is a key cryptographic primitive in secure computation that allows several parties to jointly compute some functions depending on their private inputs. Indeed, this primitive has many practical applications. For instance, in online advertising, two companies may wish to find their common customers for a joint marketing...
    Resource Type:
    Dissertation
    Full Text:
    to the rise of Big Data along with the ever-increasing privacy concerns. This thesis describes

  • jTutors: A Web-Based Tutoring System for Java APIs

    Creator:
    Dahotre, Aniket
    Abstract:
    For building robust software applications, it is important for the software engineer to make efficient use of the available building blocks. Learning the basic language constructs is only the first step in this process. It is becoming increasingly important for software engineers, especially students, to get acquainted with the available...
    Resource Type:
    Capstone Project
    Full Text:
    . With the ever increasing number of APIs, it becomes difficult for teachers to expose students to most

  • A timing attack on software implementations of RSA

    Creator:
    Murari, Aneel
    Abstract:
    A timing attack on a cryptosystem allows the attacker to deduce the secret key information based on the timing differences with respect to different inputs given to an encryption or decryption algorithm. Cryptosystems can take variable amounts of time to process due to performance optimizations in software, branching or conditional...
    Resource Type:
    Capstone Project
    Full Text:
    when subjected to timing attacks. Dan Boneh and David Brumley recently showed that not only smart

  • Fault-tolerant ring embedding in De Bruijn networks

    Creator:
    Rowley, Robert A.
    Resource Type:
    Dissertation
    Full Text:
    years. I am grateful to Professors Walter Rudd, Paul Cull, Burton Fein and David Sullivan for serving

  • Representationally Robust and Scalable Learning over Relational Databases

    Creator:
    Picado Leiva, Jose Manuel
    Abstract:
    Learning novel concepts from relational databases is an important problem with applications in several disciplines, such as data management, natural language processing, and bioinformatics. For a learning algorithm to be effective, the input data should be clean and in some desired representation. However, real-world data is usually heterogeneous – the...
    Resource Type:
    Dissertation
    Full Text:
    wrangling with robust learning algorithms. c©Copyright by Jose Manuel Picado Leiva May 28, 2019 All

  • New bounds and constructions for error control codes

    Creator:
    Al-Darwish, Nasir Ali
    Abstract:
    The bulk of the theory on error control codes has been developed under the fault assumption of random (symmetric) errors, where 1 → 0 and 0 → 1 errors are equally likely. In the past few years, several applications have emerged in which the observed errors are highly asymmetric. This...
    Resource Type:
    Dissertation
    Full Text:
    . Torn Dietterich, Prof. Toshi Minoura, from the CS Dept., and Prof. David Alistot from the ECE Dept

  • Machine learning in engineering : techniques to speed up numerical optimization

    Creator:
    Cerbone, G. (Giuseppe)
    Abstract:
    Many important application problems in engineering can be formalized as nonlinear optimization tasks. However, numerical methods for solving such problems are brittle and do not scale well. For example, these methods depend critically on choosing a good starting point from which to perform the optimization search. In high-dimensional spaces, numerical...
    Resource Type:
    Dissertation
    Full Text:
    . Gordon Reistad was always available for suggestions as the Graduate School Representative. David Ullman

  • Knowledge Base Completion Leveraging Natural Language Data

    Creator:
    Shahbazi, Hamed
    Abstract:
    Information about named entities (real-world objects) is usually harvested from different sources and organized as a multiple relational directed graph in Knowledge Bases (KBs). KBs play essential roles in many NLP modules including question answering, fact-checking, search engines, etc. KBs are big but still incomplete: relational information among entities is...
    Resource Type:
    Dissertation
    Full Text:
    Confusion Matrices for (a) using heuristic h1 with τ = 25%n, (b) heuristic h1 with τ = 50%n and (c

  • Improving and Understanding Deep Models for Natural Language Comprehension

    Creator:
    Ghaeini, Reza
    Abstract:
    Natural Language Comprehension is a challenging domain of Natural Language Processing. To improve a model’s language comprehension/understanding, one approach would be to enrich the structure of the model to enhance its capability in learning the latent rules of the language. In this dissertation, we will first introduce several deep models...
    Resource Type:
    Dissertation
    Full Text:
    . Prasad Tadepalli, Dr. Liang Huang, Dr. David Hendrix, and Dr. Kipp Shearman, for all of their invaluable

  • System reliability through Algorithm-Based Fault tolerance and reconfiguration

    Creator:
    Ramanathan, Gowri
    Resource Type:
    Dissertation
    Full Text:
    techniques. The results presented in this thesis are the first ever for this category of problems. We have

  • The InclusiveMag Method: A Start Towards More Inclusive Software for Diverse Populations

    Creator:
    Mendez, Christopher
    Abstract:
    How can software practitioners assess whether their software supports diverse users? Although there are empirical processes that can be used to find “inclusivity bugs” piecemeal, what is often needed is a systematic inspection method to assess software’s support for diverse populations. To help fill this gap, this thesis introduces InclusiveMag,...
    Resource Type:
    Masters Thesis
    Full Text:
    ...................................................... 83 Appendix C: Documents from the Multi-Case Study Teams ..................................... 84

  • Task partitioning and scheduling on arbitrary parallel processing systems

    Creator:
    El-Rewini, Hesham
    Abstract:
    Parallel programming is the major stumbling block preventing the parallel processing industry from quickly satisfying the demand for parallel computer software. This research is aimed at solving some of the problems of software development for parallel computers. ELGDF is a graphical language for designing parallel programs. The goal of ELGDF...
    Resource Type:
    Dissertation
    Full Text:
    available processing elements. c Copyright by Hesham El-Rewini November 21, 1989 All Rights Reserved

  • Similarity inheritance : a model of inheritance for declarative visual programming languages

    Creator:
    Djang, Rebecca W. (Rebecca Walpole)
    Abstract:
    Declarative visual programming languages (VPLs), including spreadsheets, make up a large portion of both research and commercial VPLs. Spreadsheets in particular enjoy a wide audience, including end users. Unfortunately, spreadsheets and most other declarative VPLs still suffer from some of the problems that have been solved in other languages, such...
    Resource Type:
    Dissertation
    Full Text:
    Mishra, Chris DuPuis, David Hackenyos, Dusty Reichwein, Roger Chen, Andrei Sheretov, Zach Welch, Karen

  • Seed-Lab : a database management system for seed laboratories

    Creator:
    Maristany, Alberto G.
    Abstract:
    Seed-Lab, is a software system for managing seed laboratory information. It was developed at the Oregon State University Seed Testing Laboratory. Seed-Lab was built around a database development package Revelation, which provides its own programming language. Seed-Lab shields the user from the complexities of database management by supporting menu driven...
    Resource Type:
    Capstone Project
    Full Text:
    committee: Dr. Toshimi Minoura; Dr. Bella Bose; Dr. Walter Rudd; and Dr. David Hannaway for their

  • Model-based approximation methods for reinforcement learning

    Creator:
    Wang, Xin
    Abstract:
    The thesis focuses on model-based approximation methods for reinforcement learning with large scale applications such as combinatorial optimization problems. First, the thesis proposes two new model-based methods to stablize the value–function approximation for reinforcement learning. The first one is the BFBP algorithm, a batch-like reinforcement learning process which iterates between...
    Resource Type:
    Dissertation
    Full Text:
    domains and job-shop schedul- ing benchmarks. c©Copyright by Xin Wang May 08, 2006 All rights

  • Usable and Scalable Querying of Scientific Datasets

    Creator:
    McCamish, Benjamin J.
    Abstract:
    Scientists and engineers have to analyze and query multiple large databases. Analysis over databases created by phasor measurement units can provide insight into the health of the grid, thereby improving control over operations. Realizing this data-driven control, however, requires validating, processing and storing massive amounts of PMU data efficiently, which...
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    Dissertation
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    effective rules using a modest number of interactions with the end-user. c©Copyright by Benjamin John

  • Multiagent learning for locomotion and coordination in tensegrity robotics

    Creator:
    Iscen, Atil
    Abstract:
    Tensegrity structures are composed of pure compressional elements that are connected via a network of pure tensional elements. The concept of tensegrity promises numerous advantages to the field of robotics. Tensegrity robots are, however, notoriously difficult to control due to their oscillatory nature and nonlinear interaction between the components. Multiagent...
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    Dissertation
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    : SUPERBall. c©Copyright by Atil Iscen May 14, 2014 All Rights Reserved Multiagent Learning for

  • Event detection with forward-backward recurrent neural networks

    Creator:
    Ghaeini, Mohammad Reza
    Abstract:
    Automatic event extraction from natural text is an important and challenging task for natural language understanding. Traditional event detection methods heavily rely on manually engineered rich features. Recent deep learning approaches alleviate this problem by automatic feature engineering. But such efforts, like tradition methods, have so far only focused on...
    Resource Type:
    Masters Thesis
    Full Text:
    event detection tasks. c©Copyright by Mohammad Reza Ghaeini May 12, 2017 All Rights Reserved

  • LacEDAemon : a programming environment for the multiparadigm language leda

    Creator:
    Pandey, Rajeev K.
    Abstract:
    Multiparadigm programming languages are a recent development in the realm of programming languages. A multiparadigm programming language allows the use of multiple, differing programming paradigms without departing from a single, unified linguistic framework. Multiparadigm programming languages are claimed to have benefits to both pedagogy and complex application creation. The beneficial...
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    Dissertation
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    cannot be pre- dicted in advance. As a result, few new languages are ever veri�ed in the context of a

  • Optimizing Cryptographic Obfuscation

    Creator:
    Carmer, Brent
    Abstract:
    Cryptographic obfuscation is a powerful tool that makes programs “unintelligible” yet still runnable. It essentially gives programs the ability to keep secrets. The practical applications of obfuscation range from keeping secrets in banking applications to preventing software theft to providing secure messaging applications. The cryptographic applications of obfuscation are also...
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    Dissertation
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    values. Using multilinear maps, we give the first ever implementations of obfuscation and multi-input

  • Studying electricity feedback for the home with an emphasis on the user

    Creator:
    Hunter, Josie Elizabeth
    Abstract:
    As non-renewable resources dwindle and costs increase, it becomes ever more important for people to understand and control their electricity usage. Eco-feedback devices are being developed to increase user awareness and reduce consumption. In order for feedback devices to be successfully adopted into the home, however, they must be appealing...
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    Masters Thesis
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    dwindle and costs increase, it becomes ever more important for people to understand and control their

  • Applying the Technology Acceptance Model to Understand the Intention to Use a CS-based Curriculum

    Creator:
    Gupta, Ayushi
    Abstract:
    In the ever-evolving field of computer science (CS) education, the significance of teachers and their backgrounds have often been overshadowed by the predominant focus on students. Teachers in the K-12 often lack the necessary expertise and have limited support provided by existing CS-based curricula. While research on CS education effectiveness...
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    Masters Thesis
    Full Text:
    : Jennifer Parham-Mocello In the ever-evolving field of computer science (CS) education, the significance of

  • Enabling Graceful Software Upgrades in Distributed Systems

    Creator:
    Gotlur Muralidhar, Hima
    Abstract:
    In today’s world, we are highly dependent on software systems together with devices for almost every task in our day to day life. Software system upgrades are released whenever it is necessary to accommodate the ever-changing user’s needs. The devices we use to run the software systems might be of...
    Resource Type:
    Masters Thesis
    Full Text:
    is necessary to accommodate the ever-changing user’s needs. The devices we use to run the

  • Linda, tuple spaces and its implementation on a network of Unix workstations

    Creator:
    Cherala, Janakiram
    Abstract:
    In this paper we outline an implementation of Linda on a network of Unix worksta­tions. A literature survey was done to gain a better perspective on state of the art and to learn from the experiences of other implementations. The tuple space which is central to the Linda system is...
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    Capstone Project
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    persistent tuple spaces 5 C-Linda, an embedding of linda in C 6 Implementation 6.1 Tuples .... 6.2

  • A benchmark suite for parallel processors : part I

    Creator:
    Sun, Tieh-Jun
    Abstract:
    Advanced computer architectures are centered around the parallel computer systems. This project is focused on the experiment on two parallel computer architectures : Sequent Balance 21000 shared memory multiprocessor and Cogent XTM distributed system. A set of benchmark programs are implemented using "C" language and Dynix parallel programming library on...
    Resource Type:
    Capstone Project
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    of benchmark programs are implemented using "C" language and Dynix parallel programming library on

  • Interactive visualization of Douglas fir forest growth using 3-PG

    Creator:
    Thompson, Allison
    Abstract:
    Forests are important to Oregon for their beauty as well as economic value, and Douglas fir trees are among the most common and important in the state. Managing and monitoring Oregon’s forests is imperative to ensure they can remain healthy and productive. One tool that helps forest scientists to understand...
    Resource Type:
    Honors College Thesis
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    thesis presents a new implementation in C/C++ of 3-PG for Douglas fir forests with a user interface and

  • OSU v 3.0 Browser : window into GUI applications

    Creator:
    Li, Tong, Lewis, Ted G., and Budd, Timothy A.
    Abstract:
    Graphical user interface (GUI) applications based on object-oriented design are difficult to build without a supportive tool to graphically visualize the structure of the entire application. As an application becomes larger and more complex, it becomes harder to visualize its class hierarchy. Several systems, such as Smalltalk, MacApp, THINK C...
    Resource Type:
    Capstone Project
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    systems, such as Smalltalk, MacApp, THINK C 5.0 and THINK Pascal, have provided powerful tools for this

  • An Object-Oriented Compiler Construction Toolkit

    Creator:
    Justice, Timothy P.
    Abstract:
    Although standard tools have been used for lexical and syntactic analysis since the late 1970's, no standard tools exist for the remaining parts of a compiler. Part of the reason for this de ciency is due to the di culty of producing elegant tools capable of handling the large amount...
    Resource Type:
    Capstone Project
    Full Text:
    collection of C++ classes de�nes a common interface to these tools. Variations in implementation are

  • Crop Rotation Economic and Environmental Impact Decision Aid (CREEDA) : a COM-based application

    Creator:
    Chang, Song
    Abstract:
    CREEDA (Crop Rotation Economic and Environmental Impact Decision Aid) is a Windows application for assessing economic and environmental impacts of agricultural activities. In implementing it, we extended the ProCosts database and incorporated the RUSLE (Revised Universal Soil-Loss Equation) application and the SCI (Soil Conditioning Index) application as COM components. ProCosts,...
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    Capstone Project
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    Data Access Layer (DAL). We built the Presentation Layer with MFC by using Visual C++ and other

  • Task-parallel extension of a data-parallel language

    Creator:
    Macielinski, Damien D.
    Abstract:
    Two prevalent models of parallel programming are data parallelism and task parallelism. Data parallelism is the simultaneous application of a single operation to a data set. This model fits best with regular computations. Task parallelism is the simultaneous application of possibly different operations to possibly different data sets. This fits...
    Resource Type:
    Masters Thesis
    Full Text:
    task and data parallelism. We have extended the data-parallel language Dataparallel C to include task

  • Leveraging Generated Tests

    Creator:
    Alipour, Mohammad Amin
    Abstract:
    The main goal of automated test generation is to improve the reliability of a program by exposing faults to developers. To this end, testing should cover the largest possible portion of the program given a test budget (i.e., time and resources) as frequently as possible. Coverage of a program entity...
    Resource Type:
    Dissertation
    Full Text:
    Generated Tests Abstract approved: Alex David Groce The main goal of automated test generation is to

  • Integrating learning and search for structured prediction

    Creator:
    Doppa, Janardhan Rao
    Abstract:
    We are witnessing the rise of the data-driven science paradigm, in which massive amounts of data - much of it collected as a side-effect of ordinary human activity - can be analyzed to make sense of the data and to make useful predictions. To fully realize the promise of this...
    Resource Type:
    Dissertation
    Full Text:
    cost function C and returns the minimum-cost solution. There are three key learning challenges in this

  • Integrating the MVC paradigm into an object-oriented framework to accelerate GUI application development

    Creator:
    Wittel, Walter I., Jr.
    Abstract:
    Applications supporting a graphical user interface (GUI) are difficult to write. While existing tools can accelerate software development, they suffer from a number of problems that limit their helpfulness. They offer too little functionality, and support only a small part of the GUI software development task. They lack architectural models...
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    Capstone Project
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    ........................................ 8 3.2.3. C. GUI Specifications are Difficult to Understand, Edit, and Reuse

  • Advances in Simultaneous Translation

    Creator:
    Zheng, Renjie
    Abstract:
    Simultaneous translation, which translates concurrently with the source language speech, is widely used in many scenarios including multilateral organizations. However, it is well known to be one of the most challenging tasks for humans due to the simultaneous perception and production in two languages. On the other hand, simultaneous translation...
    Resource Type:
    Dissertation
    Full Text:
    ; and (c) their systems are complicated, involving many components and are difficult to train. In this

  • Simulator-Defined MDP Planning with Applications in Natural Resource Management

    Creator:
    Alkaee Taleghan, Majid
    Abstract:
    This work is inspired by problems in natural resource management centered on the challenge of invasive species. Computing optimal management policies for maintaining ecosystem sustainable is challenging. Many ecosystem management problems can be formulated as MDP (Markov Decision Process) planning problems. In a simulator-defined MDP, the Markovian dynamics and rewards...
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    Dissertation
    Full Text:
    drawn to shrink the confidence interval as quickly as possible? (c) how can we find the optimal policy

  • Implementing parameterized types in Java

    Creator:
    Vidos, Hugh
    Abstract:
    The goal of this project was to investigate the addition of parameterized types to the Java programming language. Two different parametric polymorphism mechanisms were developed and compared. The first was a preprocessor and the second was a compiler. Parameterized types allow a programmer to create generic programs. Much as a...
    Resource Type:
    Capstone Project
    Full Text:
    libraries. For example, the Standard Template Library (STL) in C++ relies heavily on parameterized types

  • An interface facility for the database management system Allegro

    Creator:
    Shah, Rajen Jayantilal
    Abstract:
    Allegro is a database management system being built at Oregon State University to provide a vehicle for ongoing research in information systems architecture. The initial Allegro system is a single user environment incorporating a limited network model database management system based on the proposals made by various CODASYL committees. This...
    Resource Type:
    Masters Thesis
    Full Text:
    CODASYL-like data manipulation language embedded in a C program is discussed. A grammar for the language

  • A graphical editor for OSU v3.0

    Creator:
    Lin, Fangchen
    Abstract:
    Development of graphical user interface (GUI) applications is difficult since the process can be both complicated and tedious. We propose a solution directed at reducing programming time and effort required to build a GUI application. Our solution is based on the Petri Network, the Oregon SpeedCode Universe (OSU) Application Framework,...
    Resource Type:
    Capstone Project
    Full Text:
    . Translation of Annotated Petri Nets into C++ Programs ..................... 27 3. Use of the Annotated Petri

  • Learning with Partial Supervision for Clustering and Classification

    Creator:
    Pei, Yuanli
    Abstract:
    In the field of machine learning, clustering and classification are two fundamental tasks. Traditionally, clustering is an unsupervised method, where no supervision about the data is available for learning; classification is a supervised task, where fully-labeled data are collected for training a classifier. In some scenarios, however, we may not...
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    Dissertation
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    triplets respectively; c) active learning of pairwise constraints for clustering, where the goal is to

  • Interactive HTML

    Creator:
    Hackborn, Dianne
    Abstract:
    As the World Wide Web continues to grow, people clearly want to do much more with it than just publish static pages of text and graphics. While such increased interactivity has traditionally been accomplished through the use of server-side CGI scripts, much recent research on Web browsers has been on...
    Resource Type:
    Masters Thesis
    Full Text:
    an external C library that can be used by a browser programmer to add client-side services to the

  • An empirical study into learning through experimentation

    Creator:
    Ruff, Ritchey Alvin
    Abstract:
    A key aspect of how we understand the world revolves around an ability to manipulate our surroundings to experiment. From the scientific method through theories of child development, the ability to experiment is deemed critical; however, few studies have been performed to understand the strengths and weaknesses of different experimental...
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    Dissertation
    Full Text:
    number of hypotheses were possible, (b) each experiment had a large number of outcomes, and (c

  • New Directions in Search-based Structured Prediction: Multi-Task Learning and Integration of Deep Models

    Creator:
    Ma, Chao
    Abstract:
    This thesis studies the problem of structured prediction (SP), where the agent needs to predict a structured output for a given structured input (e.g., Part-of-Speech tagging sequence for an input sentence). Many important applications including machine translation in natural language processing (NLP) and image interpretation in computer vision can be...
    Resource Type:
    Dissertation
    Full Text:
    functions to guide the search: a heuristic functionH for generating candidate outputs and a cost function C

  • Engineering Student Perspectives of a New Required Programming Course

    Creator:
    Garcia Ramirez, Jessica
    Abstract:
    We present student perceptions of a new first-year engineering programming class that was designed by informed research practices. While the College of Engineering at Oregon State University saw a lot of major switching in the first year, there were not many students switching into computer science (CS). This could have...
    Resource Type:
    Masters Thesis
    Full Text:
    program in a general-purpose language, such as Python or C++. Past research found that prior programming

  • Parallax : an implementation of ELGDF (Extended Large Grain Data Flow)

    Creator:
    Kim, Inkyu
    Abstract:
    The major obstacle to widespread parallel programming of multiprocessors is the lack of a convenient parallel programming system. PPSE (Parallel Programming Support Environment) is a unified approach to parallel programming. Parallax is developed as a component of PPSE based on ELGDF which is a graphical language for designing parallel programs....
    Resource Type:
    Capstone Project
    Full Text:
    El-rewini , Scott Handley, David Judge, who gave me constant encouragement and help. I thank my

  • Test case prioritization

    Creator:
    Malishevsky, Alexey Grigorievich
    Abstract:
    Regression testing is an expensive software engineering activity intended to provide confidence that modifications to a software system have not introduced faults. Test case prioritization techniques help to reduce regression testing cost by ordering test cases in a way that better achieves testing objectives. In this thesis, we are interested...
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    Dissertation
    Full Text:
    Dietterich, Prasad Tadepalli, and David Sullivan for serving on my committee. They gave me valuable feedback

  • End-user programming in time : implementation and empirical studies

    Creator:
    Arredondo-Castro, Miguel A.
    Abstract:
    The temporal behavior in applications involving visual data can be critical for the correctness of some programs. Forms/3 allows the user to specify temporal behaviors in an independent way, without introducing extraneous code in the original spreadsheet, whereas some other languages define new language devices specific to time. In this...
    Resource Type:
    Masters Thesis
    Full Text:
    David, for always supporting me. Table of Contents Chapter 1: Introduction. Chapter2: Background

  • Assessing and Finding Faults in AI: Two Empirical Studies

    Creator:
    Khanna, Roli
    Abstract:
    With the advent of Artificial Intelligence (AI) in every sphere of life in today's day and age, it has become increasingly important for non-AI experts to be able to comprehend the underlying logic of how AI systems work, assess them and find faults in these systems, particularly when they are...
    Resource Type:
    Masters Thesis
    Full Text:
    being the best roommates I could ever ask for, and thank you Amreeta Chatterjee for the constant

  • Efficient Comparative Sequence Analysis Algorithms for RNA Conserved Structure and Region Detection

    Creator:
    Li, Sizhen
    Abstract:
    RNAs play important roles in multiple cellular processes, and many of their functions rely on folding to specific structures. To maintain their functions, secondary structures of RNA homologs are conserved across evolution. These conserved structures provide critical targets for diagnostics and therapeutics. Thus, there is a need for developing fast...
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    Dissertation
    Full Text:
    my further study. I would like to acknowledge Professor David H. Mathews from University of

  • Explanations and Processes to Enable Humans to Assess AI with Respect to Manipulable Properties

    Creator:
    Dodge, Jonathan E.
    Abstract:
    Assessing AI systems is difficult. Humans rely on AI systems in increasing ways, both visible and invisible, meaning a variety of stakeholders need a variety of assessment tools (e.g., a professional auditor, a developer, and an end user all have different needs). We posit that it is possible to provide...
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    Dissertation
    Full Text:
    . . . . . . . . . . . . . . . . . . 147 B Design evolution of explanations in Chapter 4 and 5 . . . . . . . . . . . . . 148 C More about

  • Formal Verification of the Variational Database Management System

    Creator:
    Khan, Fariba
    Abstract:
    Variation in data is abundant and ubiquitous in real-world applications. Managing variation in databases is, however, difficult and has been extensively studied by the database community. Schema evolution, data integration, and database versioning are examples of well-studied forms of database variation with effective context-specific solutions. However, variation appears in different...
    Resource Type:
    Masters Thesis
    Full Text:
    . . . . . . . . . . . . . . . . . . . . . . . 63 B Formal Encoding of Variational Query . . . . . . . . . . . . . . . . . . . . . 84 C Formal

  • Personalizing machine learning systems with explanatory debugging

    Creator:
    Kulesza, Todd
    Abstract:
    How can end users efficiently influence the predictions that machine learning systems make on their behalf? Traditional systems rely on users to provide examples of how they want the learning system to behave, but this is not always practical for the user, nor efficient for the learning system. This dissertation...
    Resource Type:
    Dissertation

  • Incorporating labeled features into image classification using generalized expectation

    Creator:
    Moore, Travis
    Abstract:
    Image classification is a difficult problem, often requiring large training sets to get satisfactory results. However this is a task that humans perform very well, and incorporating user feedback into these learning algorithms could help reduce the dependency on large amounts of labeled training data. This process has already been...
    Resource Type:
    Masters Thesis
    Full Text:
    benefits of this kind of user feedback for image classification. c©Copyright by Travis Moore November 21

  • Linear-time Algorithms for RNA Folding: Partition Function, Stochastic Sampling and RNA-RNA Interaction

    Creator:
    Zhang, He
    Abstract:
    RNAs play important roles in the central dogma of molecular biology, and are involved in multiple biology processes such as chromatin modification, transcriptional interference and translation initiation. The functions of RNAs, especially non-coding RNAs, are highly related to its secondary structures, therefore computational methods for RNA structure prediction are of...
    Resource Type:
    Dissertation
    Full Text:
    , and perform better PPV and sensitivity on the RNA-RNA interaction dataset. c©Copyright by He Zhang

  • Version Control Systems: An Information Foraging Perspective

    Creator:
    Srinivasa Ragavan, Sruti
    Abstract:
    Software history and version control systems (VCS) are an important source of information for developers. This entails the need for a principled understanding of developers’ information seeking in VCS, both for improving existing tools as well as understanding requirements for new tools. However, it is only recently that researchers have...
    Resource Type:
    Masters Thesis
    Full Text:
    . Thank you Dr. Anita Sarma, Dr. Eric Walkingshaw, Dr. Cindy Grimm and Dr. David Kling. Before joining

  • Causal Structure Learning from Experiments and Observations

    Creator:
    Sinha, Meghamala
    Abstract:
    In this research, we address the problem of learning a single causal network structure from multiple dataset generated from different experiments. The experiments can be observational or interventional. We assume that each dataset is generated by an unknown causal network altered under different experimental conditions (interventions, manipulation or perturbation). As...
    Resource Type:
    Masters Thesis
    Full Text:
    interventions. c©Copyright by Meghamala Sinha March 22, 2019 All Rights Reserved Causal Structure

  • Multiple Instance Multiple Label Learning with Limited Supervision

    Creator:
    Nguyen, Tam
    Abstract:
    In weak supervision learning, label information can be provided at different levels of granularity. For example, in multi-instance multi-label learning, samples are organized into bags and labels for each class are provided at the bag level. For small datasets, this approach offers means of reducing the labeling efforts. However, in...
    Resource Type:
    Dissertation
    Full Text:
    , which includes the state reduced instance label hid- den variables z1, . . . , zn, and (c) a