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Articles 12961 - 12990 of 13766
Full-Text Articles in Entire DC Network
Ontology Driven Information Systems In Action (Capturing And Applying Existing Knowledge To Semantic Applications), Amit P. Sheth
Ontology Driven Information Systems In Action (Capturing And Applying Existing Knowledge To Semantic Applications), Amit P. Sheth
Kno.e.sis Publications
No abstract provided.
Ontology-Based Extraction Of Rdf Data From The World Wide Web, Timothy Adam Chartrand
Ontology-Based Extraction Of Rdf Data From The World Wide Web, Timothy Adam Chartrand
Theses and Dissertations
The simplicity and proliferation of the World Wide Web (WWW) has taken the availability of information to an unprecedented level. The next generation of the Web, the Semantic Web, seeks to make information more usable by machines by introducing a more rigorous structure based on ontologies. One hinderance to the Semantic Web is the lack of existing semantically marked-up data. Until there is a critical mass of Semantic Web data, few people will develop and use Semantic Web applications. This project helps promote the Semantic Web by providing content. We apply existing information-extraction techniques, in particular, the BYU ontologybased data-extraction …
Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 19, Number 5, March 2003, College Of Engineering And Computer Science, Wright State University
Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 19, Number 5, March 2003, College Of Engineering And Computer Science, Wright State University
BITs and PCs Newsletter
An eight page newsletter created by the Wright State University College of Engineering and Computer Science that addresses the current affairs of the college.
Implementing An Information Retrieval And Visualization Framework For Heterogeneous Data Types, Andrew J. Kowalchuk
Implementing An Information Retrieval And Visualization Framework For Heterogeneous Data Types, Andrew J. Kowalchuk
Theses and Dissertations
In today's information focused world, there is no lack of entities focused on information gathering. However, there is still a widespread epidemic of information starvation in the Department of Defense (DoD). This starvation is attributed to the lack of interoperability between information gatherers and information consumers. To alleviate this problem, the DoD has put forth a vision of a Joint Battlespace Infosphere (JBI). This research proposes a framework for sharing and finding resources in a JBI. The framework uses an extensible metadata specification, agent technology, and the Control of Agent Based Systems (CoABS). It provides several tools for publication and …
Inquisitive Pattern Recognition, Amy L. Magnus
Inquisitive Pattern Recognition, Amy L. Magnus
Theses and Dissertations
The Department of Defense and the Department of the Air Force have funded automatic target recognition for several decades with varied success. The foundation of automatic target recognition is based upon pattern recognition. In this work, we present new pattern recognition concepts specifically in the area of classification and propose new techniques that will allow one to determine when a classifier is being arrogant. Clearly arrogance in classification is an undesirable attribute. A human is being arrogant when their expressed conviction in a decision overstates their actual experience in making similar decisions. Likewise given an input feature vector, we say …
Performance Evaluation And Analysis Of Effective Range And Data Throughput For Unmodified Bluetooth Communication Devices, Timothy F. Kneeland
Performance Evaluation And Analysis Of Effective Range And Data Throughput For Unmodified Bluetooth Communication Devices, Timothy F. Kneeland
Theses and Dissertations
The DoD and the Air Force continually seek to incorporate new technology in an effort to improve communication, work effectiveness, and efficiency. Office devices utilizing Bluetooth technology simplify device configuration and communication. They provide a means to communicate wirelessly over short distances thereby eliminating the need for different vendor specific cables and interfaces. One of the key concerns involved in incorporating new communication technology is security; the fundamental security concern of wireless communication is interception. Studies focusing on IEEE 802.11b have shown vulnerability zones around many DoD installations that reflect the ranges at which wireless communications using the 802.11b standard …
Creating And Modifying Dynamic Animation Sequences Using The Tgt_Toolkit, Ross Gore
Creating And Modifying Dynamic Animation Sequences Using The Tgt_Toolkit, Ross Gore
Department of Math & Statistics Technical Report Series
Creating and modifying the dynamic animation sequences within the TGT_Toolkit is not for the faint of heart. This report contains advice, guidelines and refers to an example of how I went about constructing the dynamic animation sequences within the Linked Lists Tutorial. I have identified three major areas of that seem to be common to all dynamic animation sequences, but distinct from simply extending TGT_Slide as most other slides do; these areas are: dynamically creating animation configurations, providing "undo" and slide saving functionality and sequencing saved slides once they are properly configured. In these areas "slide saving" and "saved slides" …
Health Care Informatics, Keng Siau
Health Care Informatics, Keng Siau
Research Collection School Of Computing and Information Systems
The health care industry is currently experiencing a fundamental change. Health care organizations are reorganizing their processes to reduce costs, be more competitive, and provide better and more personalized customer care. This new business strategy requires health care organizations to implement new technologies, such as Internet applications, enterprise systems, and mobile technologies in order to achieve their desired business changes. This article offers a conceptual model for implementing new information systems, integrating internal data, and linking suppliers and patients.
Motion Analysis And Segmentation Through Spatio-Temporal Slices Processing, Chong-Wah Ngo, Ting-Chuen Pong, Hong-Jiang Zhang
Motion Analysis And Segmentation Through Spatio-Temporal Slices Processing, Chong-Wah Ngo, Ting-Chuen Pong, Hong-Jiang Zhang
Research Collection School Of Computing and Information Systems
This paper presents new approaches in characterizing and segmenting the content of video. These approaches are developed based upon the pattern analysis of spatio-temporal slices. While traditional approaches to motion sequence analysis tend to formulate computational methodologies on two or three adjacent frames, spatio-temporal slices provide rich visual patterns along a larger temporal scale. In this paper, we first describe a motion computation method based on a structure tensor formulation. This method encodes visual patterns of spatio-temporal slices in a tensor histogram, on one hand, characterizing the temporal changes of motion over time, on the other hand, describing the motion …
Maca-P: A Mac For Concurrent Transmissions In Multi-Hop Wireless Networks, Arup Acharya, Archan Misra, Sorav Bansal
Maca-P: A Mac For Concurrent Transmissions In Multi-Hop Wireless Networks, Arup Acharya, Archan Misra, Sorav Bansal
Research Collection School Of Computing and Information Systems
This paper presents the initial design and performance study of MACA-P, a RTS/CTS based MAC protocol that enables simultaneous transmissions in multihop ad-hoc wireless networks. Providing such low-cost multihop and high performance wireless access networks is an important enabler of pervasive computing. MACA-P is a set of enhancements to the 802.11 DCF that allows parallel transmissions in many situations when two neighboring nodes are either both receivers or both transmitters, but a receiver and a transmitter are not neighbors. Like 802.11, MACA-P contains a contention-based reservation phase prior to data transmission. However, the data transmission is delayed by a control …
Reverse Geographic Location Of A Computer Node, Clinton G. Carr Iii
Reverse Geographic Location Of A Computer Node, Clinton G. Carr Iii
Theses and Dissertations
The determination of methods by which a user is able to locate his computer when that user does not know his current location, termed "homestation", will provide the Air Force an advantage over its adversaries. The methods are a combination of different mathematical techniques that enable the user to manipulate data to minimize the effects of delay caused by various factors on the network. The techniques use the smallest round trip time obtained from the ping utility. This time is then converted into miles and plotted on a map of the United States. The methods used to solve this problem …
The Effect Of Interactivity And Instructional Exposure On Learning Effectiveness And Knowledge Retention: A Comparative Study Of Two U.S. Air Force Computer-Based Training (Cbt) Courses For Network User Licensing, Matthew J. Imperial
Theses and Dissertations
The United States Air Force (USAF) currently employs the use of computer-based training (CET) across a host of requirements. One such requirement is in the Information Assurance (IA) arena and involves the training/licensing of over one-million computer network end-users. USAF use of CETs has been shown to possess a potential for substantial fiscal savings. However, studies investigating the learning outcomes of learning effectiveness (initial learning) and knowledge retention (sustained learning) associated with USAF CETs are lacking.
Text Manipulation Judgment Accuracy: An Exploratory Study, Randy S. Wardak
Text Manipulation Judgment Accuracy: An Exploratory Study, Randy S. Wardak
Theses and Dissertations
Deception aims to affect a decision-making process in a way that somehow benefits the deceiver. More knowledge is desired in the area of purely text-based scenarios. Thirty-seven graduate students at the Air Force Institute of Technology participated in an experiment in order to gain an initial understanding of how people determine whether text has been manipulated, and to identify specific areas that may be more closely investigated in future research. Excerpts were drawn from editions of a current-events newsletter that the participants receive on a weekly basis as part of their enrollment in the graduate program. Some of the excerpts …
A Report On Impact Of Data Compression On Energy Consumption Of Wireless- -Networked Handheld Devices, Rong Xu, Zhiyuan Li, Cheng Wang, Peifeng Ni
A Report On Impact Of Data Compression On Energy Consumption Of Wireless- -Networked Handheld Devices, Rong Xu, Zhiyuan Li, Cheng Wang, Peifeng Ni
Department of Computer Science Technical Reports
No abstract provided.
Tcp Over Wireless Links: Mechanisms And Implications, Sonia Fahmy, Venkatesh Prabhakar, Srinivas R. Avasarafa, Ossama M. Younis
Tcp Over Wireless Links: Mechanisms And Implications, Sonia Fahmy, Venkatesh Prabhakar, Srinivas R. Avasarafa, Ossama M. Younis
Department of Computer Science Technical Reports
No abstract provided.
Functional Annotation And Dendrogram Representation Of Gene Expression Clustering Results, Antoneta Petkova Vladimirova
Functional Annotation And Dendrogram Representation Of Gene Expression Clustering Results, Antoneta Petkova Vladimirova
Theses
The advances in genomic sciences have created vast amounts of gene expression data. To make sense of the expression information, various techniques have been applied. Clustering is among the unsupervised methods used to group the results according to gene expression level. Dendrogram visualization allows graphical representation of the clustering. The aim of this thesis is to enhance these techniques by adding another layer of functionality, namely, annotating the dendrogram with gene functional information. Presented is an application which visualizes yeast clustering results as a dendrogram along with color-coded gene keyword annotations. Gene keyword information was extracted from a major biological …
The Design And Performance Of Special Purpose Middleware: A Sensor Networks Case Study, Venkita Subramonian, Guoliang Xing, Christopher Gill, Ron Cytron
The Design And Performance Of Special Purpose Middleware: A Sensor Networks Case Study, Venkita Subramonian, Guoliang Xing, Christopher Gill, Ron Cytron
All Computer Science and Engineering Research
General purpose middleware has been shown to be effective in meeting diverse functional requirements for a wide range of distributed systems. Advanced middleware projects have also supported a single quality-of-service dimension such as real-time, fault tolerance, or small memory footprint. However, there is limited experience supporting multiple quality-of-service dimensions in mid-dleware to meet the needs of special purpose applications. Even though general purpose middleware can cover an entire spectrum of applications by supporting the union of all features required by each application, this approach breaks down for distributed real-time and embedded systems. In particular, features from one dimension such as …
3d-Structural Homology Detection Via Unassigned Residual Dipolar Couplings, Christopher James Langmead, Bruce Randall Donald
3d-Structural Homology Detection Via Unassigned Residual Dipolar Couplings, Christopher James Langmead, Bruce Randall Donald
Computer Science Technical Reports
Recognition of a protein's fold provides valuable information about its function. While many sequence-based homology prediction methods exist, an important challenge remains: two highly dissimilar sequences can have similar folds --- how can we detect this rapidly, in the context of structural genomics? High-throughput NMR experiments, coupled with novel algorithms for data analysis, can address this challenge. We report an automated procedure for detecting 3D-structural homologies from sparse, unassigned protein NMR data. Our method identifies the 3D-structural models in a protein structural database whose geometries best fit the unassigned experimental NMR data. It does not use sequence information and is …
Computing Labs And Technology Classroom (Cltc) Initiative: A Model For Distributed Support, L S. Laroche, Julianne Miranda, A Smock, T A. Noble
Computing Labs And Technology Classroom (Cltc) Initiative: A Model For Distributed Support, L S. Laroche, Julianne Miranda, A Smock, T A. Noble
Center for Academic Technology (CAT) - Scholarship and Professional Work
DePauw University is a small, liberal arts institution with 2200 undergraduate residential students and 222 faculty members, located in Greencastle, Indiana The challenges of supporting a campus with multiple and diverse facilities are further amplified by limited staff support resources. One of the strategies for addressing these challenges led to the formation of the Computing Labs and Technology Classrooms (CLTC) initiative. The CLTC recognizes and draws on the strengths of support specialists with a wide variety of professional training and experience, who regularly collaborate in the support and management of campus-wide labs and technology classrooms.
A Transport Framework For Distributed Brokering Systems, Shrideep Pallickara, Geoffrey C. Fox, John Yin, Gurham Gunduz, Hongbin Liu, Ahmet Uyar, Mustafa Varank
A Transport Framework For Distributed Brokering Systems, Shrideep Pallickara, Geoffrey C. Fox, John Yin, Gurham Gunduz, Hongbin Liu, Ahmet Uyar, Mustafa Varank
Electrical Engineering and Computer Science - All Scholarship
Increasingly, services need to interact with a wide spectrum of devices with varying networking capabilities. Services hosted on a messaging infrastructure need to optimally utilize and exploit the conditions that exist within the local networks. The messaging infrastructure must manage the communication between external resources, services and clients to achieve the highest possible system performance and reliability. In this paper we suggest that a transport framework needs to be incorporated into the messaging infrastructure hosting the services. We base our investigations in the context of the NaradaBrokering system.
White Board, Getahun Alemu
White Board, Getahun Alemu
Theses Digitization Project
This project designs and implements a tool to enhance the current means of availing coursework information in educational systems.
Unified Modeling Language Class Diagram Translator For The Online Design Pattern Library System, Kaiyan Li
Unified Modeling Language Class Diagram Translator For The Online Design Pattern Library System, Kaiyan Li
Theses Digitization Project
The Unified Modeling Language (UML) is the successor to the wave of object-oriented analysis and design (OOA&D) methods that appeared in the late '80s and early '90s. The class diagram is one of the most useful diagrams in UML. The class diagram technique has become truly central within object-oriented methods.
Generalized Metrics And Uniquely Determined Logic Programs, Pascal Hitzler, Anthony K. Seda
Generalized Metrics And Uniquely Determined Logic Programs, Pascal Hitzler, Anthony K. Seda
Computer Science and Engineering Faculty Publications
The introduction of negation into logic programming brings the benefit of enhanced syntax and expressibility, but creates some semantical problems. Specifically, certain operators which are monotonic in the absence of negation become non-monotonic when it is introduced, with the result that standard approaches to denotational semantics then become inapplicable. In this paper, we show how generalized metric spaces can be used to obtain fixed-point semantics for several classes of programs relative to the supported model semantics, and investigate relationships between the underlying spaces we employ. Our methods allow the analysis of classes of programs which include the acyclic, locally hierarchical, …
Semantic N-Gram Language Modeling With The Latent Maximum Entropy Principle, Shaojun Wang, Dale Schuurmans, Fuchun Peng, Yunxin Zhao
Semantic N-Gram Language Modeling With The Latent Maximum Entropy Principle, Shaojun Wang, Dale Schuurmans, Fuchun Peng, Yunxin Zhao
Kno.e.sis Publications
We describe a unified probabilistic framework for statistical language modeling-the latent maximum entropy principle-which can effectively incorporate various aspects of natural language, such as local word interaction, syntactic structure and semantic document information. Unlike previous work on maximum entropy methods for language modeling, which only allow explicit features to be modeled, our framework also allows relationships over hidden features to be captured, resulting in a more expressive language model. We describe efficient algorithms for marginalization, inference and normalization in our extended models. We then present experimental results for our approach on the Wall Street Journal corpus.
Website Developer: Web Application, Venkata Krishna Reddy Tummeti
Website Developer: Web Application, Venkata Krishna Reddy Tummeti
Theses Digitization Project
The purpose of the project is to use Java Server Page (JSP) technology to create a web application that could be used by any person who has the basic knowledge of browsing through the Web. There are many programs on the market that aid users in creating web pages, but the process involved in creating web pages using the available software and hosting their website is fairly complex for general people.
Web-Based E-Mail Client For Computer Science, Jichuan Wu
Web-Based E-Mail Client For Computer Science, Jichuan Wu
Theses Digitization Project
The project is a web e-mail application to provide a web page interface for all CSCI faculty, staff and students to handle their e-mails. The application is written by JSP, Java Servlets, JavaScript and custom JSP tag libraries. Regular e-mail capabilities have been enhanced by the feature of allowing users to store and manage messages by day (store to daily folders, view in daily folders, append notes for that day).
Graduate School Of Computer And Information Sciences-Doctoral Degree Programs 2003-2005, Nova Southeastern University
Graduate School Of Computer And Information Sciences-Doctoral Degree Programs 2003-2005, Nova Southeastern University
College of Engineering and Computing Course Catalogs
No abstract provided.
Tr-2003001: States Of Knowledge And Group Action, Rohit Parikh
Tr-2003001: States Of Knowledge And Group Action, Rohit Parikh
Computer Science Technical Reports
No abstract provided.
Web Service: Been There, Done That?, Steffen Staab, Will Van Der Aalst, V. Richard Benjamins, Amit P. Sheth, John A. Miller, Chistoph Bussler, Alexander Maedche, Dieter Fensel, Dennis Gannon
Web Service: Been There, Done That?, Steffen Staab, Will Van Der Aalst, V. Richard Benjamins, Amit P. Sheth, John A. Miller, Chistoph Bussler, Alexander Maedche, Dieter Fensel, Dennis Gannon
Kno.e.sis Publications
Web services can be defined as loosely coupled, reusable software components that semantically encapsulate discrete functionality and are distributed and programmatically accessible over standard Internet protocols. Web services have received a lot of hype, the reasons for which are not easily determined. Some of their benefits might even seem to waste away, once we touch on the nitty-gritty details, because Web services per se do not offer a solution to underlying problems. The contributions included in this section delve into some of these issues, including: pitfalls of workflow issues; structuring procedural knowledge into problem-solving methods; discussing how a low initial …
Agent Chameleons: Virtual Agents Real Intelligence, Gregory O'Hare, Brian Duffy, Bianca Schoen-Phelan, Alan Martin, John Bradley`
Agent Chameleons: Virtual Agents Real Intelligence, Gregory O'Hare, Brian Duffy, Bianca Schoen-Phelan, Alan Martin, John Bradley`
Books/Book Chapters
Agent Chameleons provides virtual agents powered by real intelligence, delivering next generation autonomic entities that can seamlessly migrate, mutate and evolve on their journey between and within physical and digital information spaces.