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Articles 811 - 840 of 1262
Full-Text Articles in Computer Sciences
Tr-2006008: Every P-Recursion Category Has An Index Composer, Florian Lengyel
Tr-2006008: Every P-Recursion Category Has An Index Composer, Florian Lengyel
Computer Science Technical Reports
No abstract provided.
Tr-2006014: Geometric Considerations For Distribution Of Sensors In Ad-Hoc Sensor Networks, Ted Brown, Deniz Sarioz, Amotz Bar-Noy, Tom Laporta, Dinesh Verma, Matthew Johnson, Hosam Rowaihy
Tr-2006014: Geometric Considerations For Distribution Of Sensors In Ad-Hoc Sensor Networks, Ted Brown, Deniz Sarioz, Amotz Bar-Noy, Tom Laporta, Dinesh Verma, Matthew Johnson, Hosam Rowaihy
Computer Science Technical Reports
No abstract provided.
Software-Based Gradient Nonlinearity Distortion Correction, Thomas Seward Lee
Software-Based Gradient Nonlinearity Distortion Correction, Thomas Seward Lee
Theses Digitization Project
The primary purpose of the thesis is to discuss the use of Magnetic Resonance Imaging (MRI) in functional proton radiosurgery. The methods presented in this thesis were specifically designed to correct gradient nonlinearity distortion, the single greatest hurdle that limits the deployment of MRI-based functional proton radiosurgery systems. The new system central in the thesis fully utilized MRI to provide localization of anatomical targets with submillimeter accuracy. The thesis provides analysis and solutions to the problems related to gradient nonlinearity distortion. The characteristics of proton radiosurgery are introduced, in addition to a discussion of its advantages over other current methods …
Design Factors For The Communication Architecture Of Distributed Discrete Event Simulation Systems, Catharine Mcintire Hoaglund
Design Factors For The Communication Architecture Of Distributed Discrete Event Simulation Systems, Catharine Mcintire Hoaglund
Theses Digitization Project
The purpose of the thesis was to investigate the influence communication architecture decisions have on the performance of a simulation system with distributed components. In particular, the objective was to assess the relative importance of factors affecting reliability and variability of an external data interface to the performance of the simulation, as compared to factor within the simulation itself.
Game Design And Development, Vani Indrani Surangi
Game Design And Development, Vani Indrani Surangi
Theses Digitization Project
The project focuses on computer tools suitable for particular game genres and how they are used to develop 3D computer games. As part of learning about the tools, the author developed a 3D computer adventure game called "Adventures of Smiley" using Macromedia Director MX and 3D Studio Max. The game's purpose is to engage children using a friendly interface while they learn about different topics in various subject areas through lessons and puzzles. The research gathered information about the current game industry, technologies and game genres, which can be used as a reference for the beginning level game programmer. The …
Tr-2006003: Explicit Proofs In Formal Provability Logic, Evan Goris
Tr-2006003: Explicit Proofs In Formal Provability Logic, Evan Goris
Computer Science Technical Reports
No abstract provided.
Tr-2006004: Justified Knowledge Is Sufficient, Evangelia Antonakos
Tr-2006004: Justified Knowledge Is Sufficient, Evangelia Antonakos
Computer Science Technical Reports
No abstract provided.
Tr-2006011: Locally Connected Recursion Categories, Florian Lengyel
Tr-2006011: Locally Connected Recursion Categories, Florian Lengyel
Computer Science Technical Reports
No abstract provided.
Tr-2006013: The Dom Event And Its Use In Implementing Constraint Propagators, Neng-Fa Zhou, Mark Wallace, Peter J. Stuckey
Tr-2006013: The Dom Event And Its Use In Implementing Constraint Propagators, Neng-Fa Zhou, Mark Wallace, Peter J. Stuckey
Computer Science Technical Reports
No abstract provided.
Window Query Processing With Proxy Cache, Gao Xing, John Sustersic, A. R. Hurson
Window Query Processing With Proxy Cache, Gao Xing, John Sustersic, A. R. Hurson
Computer Science Faculty Research & Creative Works
A location dependent query (LDQ) result set is valid only in a specific region called the validity region (VR). While limiting the validity of a particular result set to a given area, the VR may also be used in caching implementations to determine if cached results satisfy semantically equivalent queries. Existing LDQ caching schemes rely on the database servers to provide the VR at a cost of high computational overhead. Alternatively, a LDQ proxy cache, which approximates the VR can be employed, freeing the database servers from the high cost of calculating the VR. A LDQ proxy cache architecture is …
A Systematic Review Of The Roles And Competencies Of Medical Information Professionals(Mips) In Evidence-Based Medicine In Thailand, Somrux Sahapong, Lampang Manmart, Dusadee Ayuvat, Somkiet Potisat
A Systematic Review Of The Roles And Competencies Of Medical Information Professionals(Mips) In Evidence-Based Medicine In Thailand, Somrux Sahapong, Lampang Manmart, Dusadee Ayuvat, Somkiet Potisat
EDU-COM International Conference
The aim of this study was to systematically review the roles and competencies of Medical Information Professionals (MIPs: non-medical personnel who are information technology and medical library literacy) in supporting clinicians in the practice of evidence-based medicine (EBM) as reported in the published literature. It analysed and synthesized information from textbooks on EBM and research and review articles drawn from MEDLINE using the following keywords: ―evidence-based medicine‖, ―information seeking and physician‖, ―information need and physician‖, ―EBM librarian‖, ―clinical librarian‖, ―library service‖, ―informationist‖, and ―knowledge management‖. Information from research articles published in local journals and conference proceedings was also included evidence-based …
Taxaminer: Improving Taxonomy Label Quality Using Latent Semantic Indexing, Cartic Ramakrishnan, Christopher Thomas, Vipul Kashyap, Amit P. Sheth
Taxaminer: Improving Taxonomy Label Quality Using Latent Semantic Indexing, Cartic Ramakrishnan, Christopher Thomas, Vipul Kashyap, Amit P. Sheth
Kno.e.sis Publications
The development of taxonomies/ontologies is a human intensive process requiring prohibitively large resource commitments in terms of time and cost. In our previous work we have identified an experimentation framework for semi-automatic taxonomy/hierarchy generation from unstructured text. In the preliminary results presented, the taxonomy/hierarchy quality was lower than we had anticipated. In this paper, we present two variations of our experimentation framework, viz. Latent semantic Indexing (LSI) for document indexing and the use of term vectors to prune labels assigned to nodes in the final taxonomy/hierarchy. Using our previous results of taxonomy/hierarchy quality as the baseline we present results that …
Semantics Enabled Dynamic Process Configuration, Kunal Verma, Karthik Gomadam, Jonathan Lathem, Amit P. Sheth, John A. Miller
Semantics Enabled Dynamic Process Configuration, Kunal Verma, Karthik Gomadam, Jonathan Lathem, Amit P. Sheth, John A. Miller
Kno.e.sis Publications
Web processes are the next generation workflows created using Web services. This paper addresses research issues in creating a framework for configuring and executing dynamic Web processes. Our approach is that of a multiparadigm constraint analysis for process configuration using quantitative and logical constraints. We also present a software architecture and an engineering approach for extending current Web service infrastructure to support dynamic Web processes. An execution environment, extending Apache Axis, one of the most popular SOAP implementations, to support dynamic process configuration is presented. Empirical evaluation of the system is performed to demonstrate the cost benefits of dynamic process …
Data Processing In Space, Time, And Semantics Dimensions, Farshad Hakimpour, Boanerges Aleman-Meza, Matthew Perry, Amit P. Sheth
Data Processing In Space, Time, And Semantics Dimensions, Farshad Hakimpour, Boanerges Aleman-Meza, Matthew Perry, Amit P. Sheth
Kno.e.sis Publications
This work presents an experimental system for data processing in space, time and semantics dimensions using current Semantic Web technologies. The paper describes how we obtain geographic and event data from Internet sources and also how we integrate them into an RDF store. We briefly introduce a set of functionalities in space, time and semantics dimensions. These functionalities are implemented based on our existing technology for main-memory based RDF data processing developed in the LSDIS Lab. A number of these functionalities are exposed as REST Web services. We present two sample client side applications that are developed using a combination …
An Empirical Evaluation Of The Impact Of Test-Driven Development On Software Quality, David S. Janzen
An Empirical Evaluation Of The Impact Of Test-Driven Development On Software Quality, David S. Janzen
Computer Science and Software Engineering
Test-driven development (TDD) has gained recent attention with the popularity of the Extreme Programming agile software development methodology. Advocates of TDD rely primarily on anecdotal evidence with relatively little empirical evidence of the benefits of the practice. This research is the first comprehensive evaluation of how TDD affects software architecture and internal design quality. Formal controlled experiments were conducted in undergraduate and graduate academic courses, in a professional training course, and with in-house professional development projects in a Fortune 500 company. The experiments involved over 230 student and professional programmers working on almost five hundred software projects ranging in size …
Multinational Web Uses And Gratifications: Measuring The Social Impact Of Online Community Participation Across National Boundaries, Patricia Grace-Farfaglia, Ad Dekkers, Binod Sundararajan, Lois Peters, Sung-Hee Park
Multinational Web Uses And Gratifications: Measuring The Social Impact Of Online Community Participation Across National Boundaries, Patricia Grace-Farfaglia, Ad Dekkers, Binod Sundararajan, Lois Peters, Sung-Hee Park
Nutrition Sciences Faculty Publications
This paper describes the rationale and findings from a multinational study of online uses and gratifications conducted in theUnited States,Korea, and theNetherlandsin spring 2003. Survey questions developed in three languages by native speaking researchers was presented to approximately 400 respondents in each country via the Web. Web uses and gratifications were analyzed cross-nationally in a comparative fashion focusing on involvement in different types of on-line communities. Findings indicate that demographic characteristics, cultural values, and Internet connection type emerged as critical factors that explain why the same technology is adopted differently.
A Mathematical Formulation Of Dna Computation, Mingjun Zhang, Maggie Xiaoyan Cheng, Tzyh-Jong Tarn
A Mathematical Formulation Of Dna Computation, Mingjun Zhang, Maggie Xiaoyan Cheng, Tzyh-Jong Tarn
Computer Science Faculty Research & Creative Works
DNA computation is to use DNA molecules for information storing and processing. The task is accomplished by encoding and interpreting DNA molecules in suspended solutions before and after the complementary binding reactions. DNA computation is attractive, due to its fast parallel information processing, remarkable energy efficiency, and high storing capacity. Challenges currently faced by DNA computation are (1) lack of theoretical computational models for applications, and (2) high error rate for implementation. This paper attempts to address these problems from mathematical modeling and genetic coding aspects. The first part of this paper presents a mathematical formulation of DNA computation. The …
Multimedia Correlation Analysis In Unstructured Peer-To-Peer Network, Bo Yang, A. R. Hurson, Yu Jiao, Thomas E. Potok
Multimedia Correlation Analysis In Unstructured Peer-To-Peer Network, Bo Yang, A. R. Hurson, Yu Jiao, Thomas E. Potok
Computer Science Faculty Research & Creative Works
Recent years saw the rapid development of peer-topeer (P2P) networks in a great variety of applications. However, similarity-based k-nearest-neighbor retrieval (k-NN) is still a challenging task in P2P networks due to the multiple constraints such as the dynamic topologies and the unpredictable data updates. Caching is an attractive solution that reduces network traffic and hence could remedy the technological constraints of P2P networks. However, traditional caching techniques have some major shortcomings that make them unsuitable for similarity search, such as the lack of semantic locality representation and the rigidness of exact matching on data objects. To facilitate the efficient similarity …
Data Replication For Improving Data Accessibility In Ad Hoc Networks, Sanjay Kumar Madria, Takahiro Hara
Data Replication For Improving Data Accessibility In Ad Hoc Networks, Sanjay Kumar Madria, Takahiro Hara
Computer Science Faculty Research & Creative Works
In ad hoc networks, due to frequent network partition, data accessibility is lower than that in conventional fixed networks. In this paper, we solve this problem by replicating data items on mobile hosts. First, we propose three replica allocation methods assuming that each data item is not updated. In these three methods, we take into account the access frequency from mobile hosts to each data item and the status of the network connection. Then, we extend the proposed methods by considering aperiodic updates and integrating user profiles consisting of mobile users'' schedules, access behavior, and read/write patterns. We also show …
Generalized Distance Metric As A Robust Similarity Measure For Mobile Object Trajectories, Garima Pathak, Sanjay Kumar Madria, Spandan Tiwari
Generalized Distance Metric As A Robust Similarity Measure For Mobile Object Trajectories, Garima Pathak, Sanjay Kumar Madria, Spandan Tiwari
Computer Science Faculty Research & Creative Works
In this paper, we propose a novel generalized distance metric based on a model that incorporates the time axis explicitly. The proposed metric is based fundamentally on the Mahalanobis distance metric, which eliminates the correlation and scaling errors in similarity searches on trajectory databases. We propose the incorporation of a weight matrix in the proposed distance metric, which allows for easy manipulation of the degree of significance of the different spatial and or temporal dimensions.
Improving Channel Throughput Of Wlans And Ad Hoc Networks Using Explicit Denial Of Requests, Maggie Xiaoyan Cheng, Yadi Ma, Yi Wang
Improving Channel Throughput Of Wlans And Ad Hoc Networks Using Explicit Denial Of Requests, Maggie Xiaoyan Cheng, Yadi Ma, Yi Wang
Computer Science Faculty Research & Creative Works
A new Multiple Access Control scheme for wireless ad hoc networks and WLANs is proposed. This scheme uses explicit denial of channel requests and a busy tone to improve channel throughput. Performance analysis shows significant improvement when the network is under heavy traffic load.
Reporting On-Campus Crime Online: User Intention To Use, Gondy A. Leroy, Alicia Iriberri '06, Nathan Garrett
Reporting On-Campus Crime Online: User Intention To Use, Gondy A. Leroy, Alicia Iriberri '06, Nathan Garrett
CGU Faculty Publications and Research
National surveys demonstrate that millions of crimes go unreported in the United States. Several reasons may contribute to this lack of reporting and we are investigating these potential reasons and how they may be addressed. We are developing an online system that provides an anonymous and secure mechanism for both victims and witnesses to report crimes to police. The system is being implemented and tested on a university campus. Potential users (i.e., students, staff) were surveyed to determine their intent to use the system. Respondents claimed to report crimes already, which is in contrast with the findings from the national …
Dynamic Generation Of A Table Of Contents With Consumer-Friendly Labels, Trudi Miller '08, Gondy Leroy, Elizabeth Wood
Dynamic Generation Of A Table Of Contents With Consumer-Friendly Labels, Trudi Miller '08, Gondy Leroy, Elizabeth Wood
CGU Faculty Publications and Research
Consumers increasingly look to the Internet for health information, but available resources are too difficult for the majority to understand. Interactive tables of contents (TOC) can help consumers access health information by providing an easy to understand structure. Using natural language processing and the Unified Medical Language System (UMLS), we have automatically generated TOCs for consumer health information. The TOC are categorized according to consumer-friendly labels for the UMLS semantic types and semantic groups. Categorizing phrases by semantic types is significantly more correct and relevant. Greater correctness and relevance was achieved with documents that are difficult to read than with …
Data Mining Techniques To Study Therapy Success With Autistic Children, Gondy A. Leroy, Annika Irmscher, Marjorie H. Charlop
Data Mining Techniques To Study Therapy Success With Autistic Children, Gondy A. Leroy, Annika Irmscher, Marjorie H. Charlop
CGU Faculty Publications and Research
Autism spectrum disorder has become one of the most prevalent developmental disorders, characterized by a wide variety of symptoms. Many children need extensive therapy for years to improve their behavior and facilitate integration in society. However, few systematic evaluations are done on a large scale that can provide insights into how, where, and how therapy has an impact. We describe how data mining techniques can be used to provide insights into behavioral therapy as well as its effect on participants. To this end, we are developing a digital library of coded video segments that contains data on appropriate and inappropriate …
Model Checking Control Communication Of A Facts Device, Bruce M. Mcmillin, J. K. Townsend, David Cape
Model Checking Control Communication Of A Facts Device, Bruce M. Mcmillin, J. K. Townsend, David Cape
Computer Science Faculty Research & Creative Works
This paper concerns the design and verification of a realtime communication protocol for sensor data collection and processing between an embedded computer and a DSP. In such systems, a certain amount of data loss without recovery may be tolerated. The key issue is to define and verify the correctness in the presence of these lost data frames under real-time constraints. This paper describes a temporal verification that if the end processes do not detect that too many frames are lost, defined by comparison of error counters against given threshold values, then there will be a bounded delay between transmission of …
Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 22, Number 4, January 2006, College Of Engineering And Computer Science, Wright State University
Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 22, Number 4, January 2006, College Of Engineering And Computer Science, Wright State University
BITs and PCs Newsletter
A ten page newsletter created by the Wright State University College of Engineering and Computer Science that addresses the current affairs of the college.
A Metrics Tool For Multi-Language .Net Software Applications, Panos K. Linos, G. Mcgullogh, E. Maier
A Metrics Tool For Multi-Language .Net Software Applications, Panos K. Linos, G. Mcgullogh, E. Maier
Scholarship and Professional Work - LAS
The measurement of software metrics at the MSIL (Microsoft Intermediate Language) level can be as effective as measuring such metrics at the level of each individual language (e.g. VB, Java, C# etc.).
Traditional Chinese Medicine On-Line Diagnosis System, Chuan-Ting Chou
Traditional Chinese Medicine On-Line Diagnosis System, Chuan-Ting Chou
Theses Digitization Project
The project developed a web-based application that provides a user-friendly interface to assist practitioners of traditional Chinese medicine in determining the correct diagnosis. Traditional Chinese Medicine On-line Diagnosis System (TCMODS) allows a diagnostician to enter a patient's symptoms using a series of questionnaires to determine health status, which will then be stored in the database as part of the patient's medical records. The database will also differentiate among the patterns of syndromes known in traditional Chinese medicine and search and match these with the patient's data to the known uses of Chinese herbs. TCMODS will then generate that patient's medical …
Improvement And Deployment Of The Web-Based Database Management System For Computer Science Graduate Program, Li-Chuan Fang
Improvement And Deployment Of The Web-Based Database Management System For Computer Science Graduate Program, Li-Chuan Fang
Theses Digitization Project
In 2005 Mr. Dung Tien Vu completed a master's project for the California State University, San Bernardino Computer Science Department in which he designed a web-based database of department graduate student information. This project was designed to alter the system so that it conforms with current campus regulations, to make some improvements to the system, and to deploy it.
Personal Online Banking System, Xinsheng Chen
Personal Online Banking System, Xinsheng Chen
Theses Digitization Project
The Personal Online Banking System (POBS) is a Web-based application that allows users to conduct online bank services. The bank customer can use POBS for deposits and withdrawals, to view her checking and/or saving account, and to transfer funds between accounts. The bank clerk can use POBS to handle customer deposits and withdrawals. The bank manager can use POBS to view reports generated by the system and save these reports in Excel format. The system administrator can use POBS for user account management. The project proves that use of Spring Framework, a layered application framework based on J2EE Design and …