Index Catalog // ScholarsArchive@OSU

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

A Java based mobile wireless messaging model

Creator:: Prabhu, Ramya
Resource Type:: Capstone Project

Systolic arrays for RNS systems

Creator:: Srinivasamurthy, Satish
Abstract:: In this paper, we present two systolic designs of a chip that can be used to perform Modular Multiplication. The time taken by these two designs is 5n and 3n respectively, where n is the number of digits. These designs are based on Montgomery's redc algorithm. We also present an...
Resource Type:: Capstone Project

Exception handling in the visual programming language Forms/3

Creator:: van Zee, Pieter J.
Abstract:: Exception handling is a general purpose tool found in many modern programming language, but most work to date is based on textual languages. We present an approach to exception handling in a new context, the visual programming language Forms/3. The visual nature of Forms/3 supports an effective approach to exception...
Resource Type:: Capstone Project

PPSE/Banger : a machine-independent parallel programming environment

Creator:: Hongswadhi, Pongsaya
Abstract:: A problem with a number of available parallel programming tools proposed and implemented by researchers is that there has been little consideration of the impact of the user interface on users outside the field of computer science. In this paper we propose and implement Banger, an extension to the Parallel...
Resource Type:: Capstone Project

The Public’s Perception of Fire Prevention and Communication in the Tonto National Forest

Creator:: Lindley, David
Abstract:: As the frequency and intensity of wildfires continue to occur in the West, so does the need for measures intended to improve firefighter safety; public safety; and the protection of property, resources, and wildlife. Furthermore, as human activity in the expanding Wildland Urban Interface increases, so does the need for...
Resource Type:: Capstone Project

Software configuration management (SCM) support process capability maturity model

Creator:: Ghotra, Baljinder Singh
Abstract:: Software Configuration Management (SCM) is a concept of trying to group the changing artifacts of software development to try to manage the complexity of modern day software. This paper provides a roadmap for improving the SCM support process based on a meta-model. I developed a model that defines key practice...
Resource Type:: Technical Report

Sacagawea: a testbed for experimenting with real-time problem solving techniques

Creator:: Koerper, Greg
Abstract:: The Sacagawea testbed has been designed to support testing and development of decision making models, and associated uncertainty management techniques, that are appropriate under real-time problem solving constraints. Conceptually, it provides a simulated temporal and spatial environment, the latter consisting of a terrain grid of elevation and tree cover data,...
Resource Type:: Technical Report

Algorithms for computing sprinkler layouts for lawns

Creator:: Krishnappa, Chirayu
Abstract:: Watering a lawn involves several factors such as laying out the sprinklers and valves, trenching, laying pipes, cables, etc. The primary goal is to ensure uniform watering subject to various constraints. We present some abstract problems involving sprinkler layout and some solutions with theoretical worst case bounds on their performance....
Resource Type:: Technical Report

Best sorting algorithm for nearly sorted lists

Creator:: Kim, Do Jin
Resource Type:: Technical Report

Greater Sage-Grouse (Centrocercus urophasianus) Demographic Rates and Predator Communities in a Degraded Landscape in Modoc County, California

Creator:: Sink, Chelsea E.
Abstract:: The greater sage-grouse (Centrocercus urophasianus: hereafter; sage-grouse) population in Modoc County California is geographically isolated and has been subsidized by translocation to prevent inbreeding depression since 2005. Despite significant efforts to increase the population through translocations and habitat improvement by cutting encroaching western juniper (Juniperus occidentalis), only a single lek...
Resource Type:: Masters Thesis

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

Regression testing methodologies for spreadsheet languages

Creator:: Jin, Dalai
Abstract:: Spreadsheet languages are widely used by end users for many different purposes. Previous research shows that spreadsheets often contain faults. To help end users test their spreadsheets, in previous research, a testing methodology for spreadsheets has been developed. Th.is methodology is supported by an automatic test case generation (ATCG) methodology....
Resource Type:: Capstone Project

VIGRAM : a program understanding and complexity metric analysis tool for Pascal programs

Creator:: Kruatrachue, Kritawan
Abstract:: This report describes "VIGRAM" (Visual Programming) which is a program understanding and complexity metric analysis tool for Pascal programs. VIGRAM is implemented on the Macintosh as one part of the "O.S.U." (Qregon Speedcode Universe) project. With VIGRAM, the source code of a Pascal procedure can be displayed as a visual...
Resource Type:: Capstone Project

Effect of update merging on reliable storage performance

Creator:: Liu, Ching-Chao and Minoura, Toshimi
Abstract:: Performance of a reliable storage subsystem for a centralized database system was studied by simulation. The reliable storage subsystem studied consists of three redundant disk units that are updated one at a time from a consistent database state to another consistent database state, Thus, even if a central processor and/or...
Resource Type:: Technical Report

The application of dynamic programming to the description and optimal control of dynamic processes

Creator:: Moser, David Roy
Abstract:: The demand for improved controllers creates the need for synthesis techniques which emphasize optimality. Optimality automatically infers stability. This thesis presents one such technique which is not limited to linear systems. The theory of dynamic programming is applied to the synthesis of optimal controllers with emphasis on missile flight control...
Resource Type:: Masters Thesis

Trends in mobile computing : a study of mobile phone usage in the United States and Japan

Creator:: Nurvitadhi, Eriko
Abstract:: Wireless technologies advance rapidly in the recent time. The maJor initiative is the realization of the third generation wireless network that provides high bandwidth access to digital data on the Internet. Moreover, recent improvements in computer and embedded systems have enabled portable devices with sufficiently high computing capability. The combination...
Resource Type:: Undergraduate Thesis

A TINI infrared application

Creator:: Ritchie, Clark
Abstract:: Monitoring the performance of electrical utility assets is a critical activity for power companies. Gas chromatography has long been established as the analytical technique of choice for assessment of transformer fault conditions by detection of the presence of key fault gases through analysis of transformer oil. Chromatography is one of...
Resource Type:: Capstone Project

Search engine for a book library section, Word/phrase search engine for a section of the Philosophy department library

Creator:: Ramachandran, Shalini
Abstract:: 'Search engine for a book library section' was developed for the Philosophy department. This Search Engine is a user interface application used for the purpose of searching for words or phrases as the need may be from a directory of books in a section of the Philosophy department library. The...
Resource Type:: Capstone Project

Heuristic search in symbolic probability inference

Creator:: Pan, Yonghong
Abstract:: I present a new heuristic search approach to compute approximate answers for the probability query in belief nets. This approach can compute the 'best' bounds for a query in a period of any given time (if time permitted, it will get an exact value). It inherits the essence of Symbolic...
Resource Type:: Capstone Project

Shape transformation using compactly supported radial basis functions

Creator:: Park, Byungsoo
Abstract:: Shape transformation is a technique for gradually changing one geometric shape to another. A recent approach presents the use of thin-plate radial basis functions as opposed to traditional "blobby sphere" implicit functions. Without the explicit evaluation of he energy function, this approach combined the two traditional steps into one by...
Resource Type:: Capstone Project

Power saving in WAP

Creator:: Potti, Girish
Abstract:: Wireless Application Protocol (WAP) is an industry standard aimed to bring the web to handheld devices. The handheld devices are constrained by battery life and it becomes important that power is conserved across web transactions. The power consumed by the handheld device is directly proportional to the time taken for...
Resource Type:: Capstone Project

Java byte code obfuscator

Creator:: Mundle, Maithily
Abstract:: This paper discusses Java Bytecode Obfuscation techniques that make the reverse engineering task more difficult. This paper is structured as follows: Java virtual machine and Java language specifications are discussed first. Then the paper talks about different techniques for protecting software and then details one promising approach named Obfuscation. The...
Resource Type:: Capstone Project

Constraint based personalization

Creator:: Nagboth, Sai Rajkiran
Abstract:: Personalization is defined as a process that facilitates interaction among consumers and providers such that individual consumers are enabled to more readily access the content and services of providers, and individual providers are enabled to more effectively and easily deliver their content and services to consumers. This project presents a...
Resource Type:: Capstone Project

A survey of divide and conquer algorithms for polygon fillings

Creator:: Mossaides, Paula Xenis
Abstract:: This survey looks at five different polygon breaking algorithms and compares them. The criteria for comparison are: 1. Complexity of the algorithm. 2. The number and type of subpolygons produced. 3. The classes of input polygons that can be broken. The best algorithm is then coded and a comparison is...
Resource Type:: Capstone Project

A visual XML query interface

Creator:: Zhao, Shiwei
Abstract:: As XML becomes more and more popular, easy-to-use and powerful XML query languages are in great need. Xing is a visual query and restructuring language for XML documents. The objective of this project is to develop a basic version of Xing, including a user-oriented XML query interface and a simple...
Resource Type:: Capstone Project

Single fault detection in combinational logic circuits

Creator:: Medhekar, Ranjana A.
Abstract:: The material in this paper is divided into the following four chapters for convenience. Chapter 1 explains, how the idea of fault testing changed from testing the machine instructions to testing the hardware in logic circuits. Chapters 2, 3 and 4 present the different approaches considered, namely: 1. Path sensitizing...
Resource Type:: Capstone Project

Protein geometry and conformation resource database

Creator:: Wang, Nan
Abstract:: This project is about helping protein naturalists understand the protein structure. The database system developed here provides a convenient tool for scientists to explore conformational information in a database of known structures and thereby provide researchers with a deeper and wider view of the empirical data. In this way, it...
Resource Type:: Capstone Project

Integrating fire model into BIOMAP (Biogeochemistry model (BIOME-BGC) - Mapped Atmosphere Plant Soil System (MAPSS))

Creator:: Takkallapally, Satya
Abstract:: BIOMAP (Biogeochemistry model (BIOME-BGC) - Mapped Atmospheric Plant Soil System (MAPSS)) is a computer program that predicts ecosystem distribution and behavior over spatial grid cells of 10km at a daily timestep. It needs to consider events like fire for a more realistic prediction. This project involved integrating a new fire...
Resource Type:: Capstone Project

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

Implementation of a distributed commit/termination protocol by communicating Moore machines

Creator:: Minoura, Toshimi
Abstract:: In this short paper, we present an implementation method for a distributed commit/ termination protocol for a distributed database system. The protocol, which handles both commit and termination processing of distributed transactions, is represented by communicating Moore machines. Several advantages of our approach are discussed.
Resource Type:: Technical Report

Consistent distributed database state maintenance

Creator:: Minoura, Toshimi, Owicki, Susan S., and Wiederhold, Gia
Abstract:: A theory for resiliency control of distributed database systems is developed, and schemes that preserve the consistent global database state in the presence of site crashes and message link failures are discussed. The schemes can at least theoretically be paired with any concurrency control scheme that produces y-serializable executions. Further,...
Resource Type:: Technical Report

Multi-level concurrency control of a database system

Creator:: Minoura, Toshimi
Abstract:: A typical database system maintains target data, which contain information useful for users, and access path data, which facilitate faster accesses to target data. Further, most large database systems support concurrent processing of multiple transactions. For a static database system model, where units of concurrency control are not dynamically created...
Resource Type:: Technical Report

Capability-based resiliency control of distributed database systems

Creator:: Minoura, Toshimi and Vidyasankar, K.
Abstract:: It is highly desirable for a distributed database system to achieve logically continuous operation even if some sites or message links fail. In this paper, we describe a scheme that can automatically reconfigure a fully-replicated distributed database system upon subsystem failures. The scheme can tolerate total failures of some sites....
Resource Type:: Technical Report

Serializability test by pebbling

Creator:: Minoura, Toshimi
Abstract:: An execution of a database system is considered correct if its net effect is as if transactions were executed serially, and such an execution is called serializable. In this short paper we show that the serializability test problem can be reduced to a simple pebbling problem. Our characterization is intuitive...
Resource Type:: Technical Report

True-copy token scheme for a distributed database system

Creator:: Minoura, Toshimi, Owicki, Susan S., and Wiederhold, Gio
Abstract:: A concurrency and resiliency control scheme for a distributed database system with replicated data is discussed. The scheme, true-copy token scheme, uses true-copy tokens in order to designate the physical data copies (true copies) that can be identified with the current logical data that are globally unique, and then it...
Resource Type:: Technical Report

One Health Approach to Emergency Mobile Veterinary Services in Oregon

Creator:: Kim, Suji
Abstract:: In this paper, the current demands for veterinary mobile and emergency services in the state of Oregon will be reviewed as well as how the human EMS model can be translated into veterinary triage and workflow. The proposed idea for Veterinary Emergency Mobile services consists of several potential working models,...
Resource Type:: Research Paper

Using Machine Learning Models and SVD Dimension Reduction to Predict Cancer Outcomes

Creator:: Wofford, Rachel E.
Abstract:: Machine learning models are powerful tools which may aid in the prediction of survival outcomes of cancer patients. This study evaluated eight classification models and eight regression models on their ability to predict survival outcomes on breast cancer and prostate cancer data sets from the SEER database. The most accurate...
Resource Type:: Capstone Project

An attributed-based database structure for small computers

Creator:: Elton, Terry J.
Abstract:: Contemporary database systems are used in a variety of business applications requiring rapid retrieval of online data. When records contain unique information indexed by a single key, the retrieval operation can be simplified. However, when added generality and flexibility is needed, inverted files and sophisticated data models result in a...
Resource Type:: Capstone Project

The effect of alternating current on the resistance and reactance of iron and steel wires

Creator:: Eckley, Winfield
Abstract:: During the past year the rapid increase in the cost of copper and aluminum has led operating companies to investigate the feasibility of using iron and steel conductors for transmission and distribution purposes where small blocks of power are to be served. This Thesis gives the results of tests on...
Resource Type:: Undergraduate Thesis

Software development in parallax : the ELGDF Language, ELGDF : design language for parallel programming

Creator:: El-Rewini, Hesham and Lewis, Ted G.
Abstract:: ELGDF (Extended Large Grain Data Flow) is a design language that allows representation of a wide variety of parallel programs. The syntax is graphical and hierarchical to allow construction and viewing of realistically sized programs. ELGDF language facilitates describing parallel programs in a natural way for both shared memory model...
Resource Type:: Technical Report

A SOAR-based computational model of mechanical design

Creator:: Warrier, Ulhas S.
Resource Type:: Capstone Project

WebWEPP version 2.0 : Web-based water erosion prediction project

Creator:: Gyu Han, Hong
Abstract:: The WEPP (Water Erosion Prediction Project) application computes soil loss and sediment yield from a field based on the data on crops, management practices, and operations. In order to make WEPP, which is a Windows-based application, easily accessible, Web WEPP (Web-based WEPP) was developed by our research group. Web WEPP...
Resource Type:: Capstone Project

KeyQuery : improving the preciseness of search engines by automatic translation of keywords into structured queries

Creator:: He, Jianglin
Abstract:: We demonstrate an approach to transform keyword queries automatically into queries that combine keywords appropriately by boolean operations, such as and and or. Most current search engines will preprocess the queries before they really use these queries to search locally stored files or web pages. However, the search engines usually...
Resource Type:: Capstone Project

A two level minimal perfect hash function for large data sets

Creator:: Barrar, Howard
Abstract:: Recently several minimal perfect hashing functions far small static word sets have been developed. However, they are limited to sets of 50 words or less. In this paper, a Two Level Minimal Perfect Hash Function for large data sets is given. It partitions a large static set into small sets...
Resource Type:: Capstone Project

The empire infrastructure for testing experimentation

Creator:: Davia, Brian
Abstract:: It is widely believed that there is not enough experimentation in the field of computer science. One area in particular in which additional experimentation is needed involves regression testing of large, real software. Regression testing is the expensive process of validating changes made to previously tested software. One reason why...
Resource Type:: Capstone Project

Designing and implementing an information system for a self service stockroom using a relational database

Creator:: Chen, Rongliang
Abstract:: The goal of this project is to design and implement an information system for self-service chemistry stockroom at Oregon State University. The system will have the following major functionalities: (1) Recording inventory purchases and sales; (2) Customer account administration and periodic billing of customers; (3) Inventory monitoring; ( 4) Allowing...
Resource Type:: Capstone Project

Rethinking Welfare-to-Work: A Microsimulation Exploring the Impact of a Working Families Tax Credit on Oregon Poverty

Creator:: Richards, Jaxon
Abstract:: The State of Oregon possesses a tumultuous relationship with the Earned Income Tax Credit (EITC) and currently experiences one of the lowest participation rates in the country despite attempting several policy reforms. The State of Washington has exhibited a comparatively similar relationship. However, it has adopted a distinctive policy supplementation...
Resource Type:: Honors College Thesis

ASIC for real time data authentication

Creator:: Anjum, Vaseem
Abstract:: Authentication is a means of developing an electronic signature that works like a written signature. It assumes that your data is publicly known but nevertheless ensures that the message is not tampered with and that you have an audit trail. This project discusses the techniques and concepts used to design...
Resource Type:: Capstone Project

Spring Cereal Forage Applied Water Use

Creator:: Bohle, Mylen
Abstract:: Drought is a major concern for producers of food and forage crops. According to the U.S. Drought monitor, Central and Eastern Oregon in particular, are in severe drought. In the early 1990's, a trial was conducted to determine the yield per inch of water applied to 5 cereal species: barley,...
Resource Type:: Technical Report

Search Constraints

Search Results

Limit your search