Index Catalog // ScholarsArchive@OSU

A software complexity analysis tool

Creator:: Henderson, B. Scott
Abstract:: The project (partially) described in this paper was the result of an attempt by the Navy to use software complexity metrics to assess the complexity of Naval avionics software. In particular, the project consisted of computing a variety of software complexity metrics for CMS-2M and AYK-14 assembler source code and...
Resource Type:: Research Paper

A study of visualization techniques for several simple population models

Creator:: Sanders, Gail
Abstract:: We define simple population models and give seven examples from the literature. We investigate visualization techniques for simple population models and demonstrate these techniques on the seven population models. The visualization techniques are basic curves, spiral plots, time plots, bifurcation maps, time-plus-2 curves, and B&W and color complex convergence plots....
Resource Type:: Research Paper

An extensible framework for intermediate language based code instrumentation

Creator:: Crawford, Clark
Abstract:: Code instrumenters play a vital role in the functionality of the Aristotle program analysis system, This project aims to replace Aristotle's existing code instrumenters, which process target programs at the, source level, with instrumenters that process target programs at the intermediate language level. This change absolves the instrumenters of responsibility...
Resource Type:: Research Paper

Control and monitoring of flexible manufacturing systems with active-object user-interface management system

Creator:: Robinson, Randall
Abstract:: To achieve the maximum benefits of a flexible manufacturing system (FMS), its effective monitoring is crucial. The user's ability to interpret the actions of an FMS is significantly enhanced by effective monitoring provided by a well-designed graphical user interface (GUI). The Active-Object User-Interface Management System (AOUIMS) is a graphical user...
Resource Type:: Research Paper

Distributed observable/observer : a distributed object-communication mechanism

Creator:: Gundoju, Vikram
Abstract:: We describe a software mechanism that simplifies the implementation of real-time distributed object-oriented applications. The distributed observable/observer mechanism extends the Observable/Observer concept of Java to a distributed environment, encapsulating the communication protocol used by networking. The mechanism supports the distributed model/view-controller (M/VC) paradigm, allowing view-controllers to be attached to remote...
Resource Type:: Research Paper

Evaluation of a tracking and probabilistic assessment agent in the AUV domain

Creator:: Anderson, Scott M.
Abstract:: In order for autonomous underwater vehicles to be successful, they must be able to maintain accurate information about their state variables and the state of their critical components. The software developed by Bruce D'Ambrosia and Wade Brittain, (Real-time Tracking and Probabilistic Assessment of Physical Systems) proposes a methodology to provide...
Resource Type:: Research Paper

Mobile Interactive Data Acquisition System (MIDAS)

Creator:: Anantha, Vikram
Abstract:: MIDAS is an application framework for remote data acquisition and visualization that allows dynamic reconfiguration of its constituent components. There are three types of reconfiguration, namely, component replacement, component interposition and component deletion. A two-phase protocol to maintain the consistency of the system during reconfiguration is described. MIDAS has a...
Resource Type:: Research Paper

Parallel and serial computer use among computer scientists, scientists, and engineers

Creator:: Walpole, Rebecca
Resource Type:: Research Paper

Partitioning and broadcasting in hypercubes in the presence of faulty communication links

Creator:: Lee, Suckjun
Abstract:: The problem of broadcasting in faulty hypercubes is considered, based upon a strategy of partitioning the faulty hypercube into subcubes in which currently known algorithms can be implemented. Three similar partitioning and broadcasting algorithms for an n-dimensional hypercube in the presence of up to (n² + 2n - c) /...
Resource Type:: Research Paper

Pragmatics of parallel suffix tree construction

Creator:: Miller, Bryan
Abstract:: Suffix trees are a well known data structure for facilitating a variety of queries on strings. Construction of the trees requires a considerable number of choices concerning the implementation. Several of those choices are examined in this paper. Performance studies are presented that reveal the consequences of these choices. The...
Resource Type:: Research Paper

Probabilistic tracking and real-time assessment of physical systems

Creator:: Brittain, R. Wade
Abstract:: In order for long-range autonomous robots to be successful they must be able to maintain accurate information about their location, available resources, and the state of critical components. We propose here a methodology which incorporates traditional, sensor-based tracking methods with discrete probabilistic representations of system state. Further, we extend the...
Resource Type:: Research Paper

SADE : a structural active-object system drawing editor

Creator:: Venkatraman, Gopalakrishnan
Abstract:: Structural active-object systems (SAOSs) are transition-based object-oriented systems suitable as frameworks of various concurrent systems. AOSs are constructed from their component active objects by structural and hierarchical object composition (SHOC) like hardware systems. 1n this report, we demonstrate that the SAOS approach is effective in implementing a graphical editor. The...
Resource Type:: Research Paper

SAOSDB : a structural active-object system debugger

Creator:: Muenchaisri, Pornsiri
Abstract:: Structural active-object systems (SAOSs) are transition-based object-oriented systems suitable for various concurrent applications. A SAOS consists of a collection of interacting active objects that can be structurally and hierarchically composed. The SAOS framework enables $AO$ application programs to be developed rapidly. However, nondeterministic behaviors of active object sometimes make debugging...
Resource Type:: Research Paper

Structural active object systems for mixed-mode simulation

Creator:: Pargaonkar, Shirish S.
Abstract:: A structural active-object system (SAOS) is a transition-based object-oriented system suitable for the design of various concurrent systems. A SAOS consists of a collection of interacting structural active objects (SAOs) whose behaviors are determined by the transition statements provided in their class definitions. Furthermore, SAOs can be structurally and hierarchically...
Resource Type:: Research Paper

The use of momentum currents to improve qualitative reasoning models in the domain of mechanical oscillators

Creator:: Aronson, Hayden M.
Abstract:: Qualitative reasoning programs use a modelling language to discover the function of a mechanical device and a theory of causality to explain the reason for the device's behavior. A library of reusable model pieces for linear mechanical oscillators was developed for use with a causality theory developed by Forbus called...
Resource Type:: Research Paper

Video multicast in an IP/ATM environment

Creator:: Aschkenasy, David and Rudd, Walter
Abstract:: The integration of Asynchronous Transfer Mode (ATM) technology into the current global internetwork provides great opportunity as weJl as substantial engineering challenges. The Network for Engineering Research in Oregon (NERO) ATM network provides an order of magnitude increase in available bandwidth in local area networks and two orders of magnitude...
Resource Type:: Research Paper

ScholarsArchive@OSU

A software complexity analysis tool

A study of visualization techniques for several simple population models

An extensible framework for intermediate language based code instrumentation

Control and monitoring of flexible manufacturing systems with active-object user-interface management system

Distributed observable/observer : a distributed object-communication mechanism

Evaluation of a tracking and probabilistic assessment agent in the AUV domain

Mobile Interactive Data Acquisition System (MIDAS)

Parallel and serial computer use among computer scientists, scientists, and engineers

Partitioning and broadcasting in hypercubes in the presence of faulty communication links

Pragmatics of parallel suffix tree construction

Probabilistic tracking and real-time assessment of physical systems

SADE : a structural active-object system drawing editor

SAOSDB : a structural active-object system debugger

Structural active object systems for mixed-mode simulation

The use of momentum currents to improve qualitative reasoning models in the domain of mechanical oscillators

Video multicast in an IP/ATM environment

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