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Articles 58261 - 58290 of 63204
Full-Text Articles in Entire DC Network
Molding Best-Effort Bandwith Into Graded Services: The Sbs Approach, Kihong Park, Shaogang Chen
Molding Best-Effort Bandwith Into Graded Services: The Sbs Approach, Kihong Park, Shaogang Chen
Department of Computer Science Technical Reports
No abstract provided.
Decoupled Delay And Rate Guarantees For Cross Domain Thread Scheduling, David K.Y. Yau
Decoupled Delay And Rate Guarantees For Cross Domain Thread Scheduling, David K.Y. Yau
Department of Computer Science Technical Reports
No abstract provided.
A Knowledge Discovery Methodology For The Performance Evaluation Of Scientific Software, Vassilios S. Verykios, Elias N. Houstis, John R. Rice
A Knowledge Discovery Methodology For The Performance Evaluation Of Scientific Software, Vassilios S. Verykios, Elias N. Houstis, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
An Aspect-Oriented Approach To Distributed Object Security, Riubing Hao, Ladislau Bölöni, Kyungkoo Jun, Dan C. Marinescu
An Aspect-Oriented Approach To Distributed Object Security, Riubing Hao, Ladislau Bölöni, Kyungkoo Jun, Dan C. Marinescu
Department of Computer Science Technical Reports
No abstract provided.
Parallel Algorithms For 3d Reconstruction Of Asymmetric Objects From Electron Micrographs, Robert E. Lynch, Dan C. Marinescu, Hong Lin, Timothy S. Baker
Parallel Algorithms For 3d Reconstruction Of Asymmetric Objects From Electron Micrographs, Robert E. Lynch, Dan C. Marinescu, Hong Lin, Timothy S. Baker
Department of Computer Science Technical Reports
No abstract provided.
Partial Redundancy Elimination For Access Path Expressions, Antony L. Hosking, National Nystrom, David Whitlock, Quintin Cutts, Amer Diwan
Partial Redundancy Elimination For Access Path Expressions, Antony L. Hosking, National Nystrom, David Whitlock, Quintin Cutts, Amer Diwan
Department of Computer Science Technical Reports
No abstract provided.
Searches For The Neutral Higgs Bosons Of The Mssm In E+E- Collisions At Centre-Of-Mass Energies Of 181-184 Gev, Barate, R.; Et Al., M. Thulasidas
Searches For The Neutral Higgs Bosons Of The Mssm In E+E- Collisions At Centre-Of-Mass Energies Of 181-184 Gev, Barate, R.; Et Al., M. Thulasidas
Research Collection School Of Computing and Information Systems
The data collected by ALEPH at LEP at centre-of-mass energies ranging from 181 to 184 GeV, corresponding to an integrated luminosity of 57 pb−1, are analysed to search for pair-produced neutral Higgs bosons h and A, in the bb̄bb̄ and τ+τ−bb̄ final states. Two events are found in the data with 2.5 expected from standard model processes. When combined with the lower energy data collected by ALEPH and with earlier reported searches for associated hZ production, these analyses are interpreted in the context of the minimal supersymmetric extension of the standard model (MSSM). For standard choices of MSSM parameter sets, …
A Framework For Sharing Handwritten Notes, Richard C. Davis, James Lin, Jason A. Brotherton, James A. Landay, Morgan N. Price, Bill N. Schilit
A Framework For Sharing Handwritten Notes, Richard C. Davis, James Lin, Jason A. Brotherton, James A. Landay, Morgan N. Price, Bill N. Schilit
Research Collection School Of Computing and Information Systems
NotePals is an ink-based, collaborative note taking application that runs on personal digital assistants (PDAs). Meeting participants write notes in their own handwriting on a PDA. These notes are shared with other participants by synchronizing later with a shared note repository that can be viewed using a desktop-based web browser. NotePals is distinguished by its lightweight process, interface, and hardware. This demonstration illustrates the design of two different NotePals clients and our web-based note browser.
Notepals: Sharing And Synchronizing Handwritten Notes With Multimedia Documents, James A. Landay, Richard C. Davis, Victor Chen, Jonathan Huang, Rebecca B. Lee, Francis Li, James Lin, Charles B. Morrey, Ben Schleimer
Notepals: Sharing And Synchronizing Handwritten Notes With Multimedia Documents, James A. Landay, Richard C. Davis, Victor Chen, Jonathan Huang, Rebecca B. Lee, Francis Li, James Lin, Charles B. Morrey, Ben Schleimer
Research Collection School Of Computing and Information Systems
NotePals is an ink-based, collaborative note taking application that runs on personal digital assistants (PDAs). Meeting participants write notes in their own handwriting on a PDA. These notes are shared with other participants by synchronizing later with a shared note repository that can be viewed using a desktop-based web browser. NotePals is distinguished by its lightweight process, interface, and hardware. This demonstration illustrates the design of two different NotePals clients and our web-based note browser.
Information Coupling In Web Databases, Sourav S. Bhowmick, Wee-Keong Ng, Ee Peng Lim
Information Coupling In Web Databases, Sourav S. Bhowmick, Wee-Keong Ng, Ee Peng Lim
Research Collection School Of Computing and Information Systems
Web information coupling refers to an association of topically related web documents. This coupling is initiated explicitly by a user in a web warehouse specially designed for web information. Web information coupling provides the means to derive additional, useful information from the WWW. In this paper, we discuss and show how two web operators, i.e., global web coupling and local web coupling, are used to associate related web information from the WWW and also from multiple web tables in a web warehouse. This paper discusses various issues in web coupling such as coupling semantics, coupling-compability, and coupling evaluation.
A Global Object Model For Accommodating Instance Heterogeneities, Ee Peng Lim, Roger Hsiang-Li Chiang
A Global Object Model For Accommodating Instance Heterogeneities, Ee Peng Lim, Roger Hsiang-Li Chiang
Research Collection School Of Computing and Information Systems
To completely address database integration problems in the context of multidatabase [10] and data warehousing systems, one has to examine various integration and query requirements. Due to various reasons such as poor data quality in local databases, ongoing local database updates, and instance heterogeneities, some instance differences have to be accommodated by the integrated databases. We have therefore proposed a new object-oriented global data model, called OORA, that can accommodate attribute and relationship instance heterogeneities in the integrated database. In addition, the OORA model has been designed to allow database integrators and end users to query both the local and …
Web Warehousing System: Design And Issues, Wee-Keong Ng, Ee Peng Lim, Sourav S. Bhowmick, Sanjay Kumar Madria
Web Warehousing System: Design And Issues, Wee-Keong Ng, Ee Peng Lim, Sourav S. Bhowmick, Sanjay Kumar Madria
Research Collection School Of Computing and Information Systems
The World Wide Web is a distributed global information resource. It contains a large amount of information that have been placed on the web independently by different organizations and thus, related information may appear across different web sites. To manage and access heterogeneous information on WWW, we have started a project of building a web warehouse, called Whoweda (Warehouse of Web Data). Currently, our work on building a web warehousing system has focused on building a data model and designing a web algebra. In this paper, we discuss design and research issues in a web warehousing system. The issues include …
A Theory Of Satisficing Decisions And Control, Richard L. Frost, Michael A. Goodrich, Wynn C. Stirling
A Theory Of Satisficing Decisions And Control, Richard L. Frost, Michael A. Goodrich, Wynn C. Stirling
Faculty Publications
The existence of an optimal control policy and the techniques for finding it are grounded fundamentally in a global perspective. These techniques can be of limited value when the global behavior of the system is difficult to characterize, as it may be when the system is nonlinear, when the input is constrained, or when only partial information is available regarding system dynamics or the environment. Satisficing control theory is an alternative approach that is compatible with the limited rationality associated with such systems. This theory is extended by the introduction of the notion of strong satisficing to provide a systematic …
Web Bags: Are They Useful In A Web Warehouse?, Sourav S. Bhowmick, Sanjay Kumar Madria, Wee-Keong Ng, Ee Peng Lim
Web Bags: Are They Useful In A Web Warehouse?, Sourav S. Bhowmick, Sanjay Kumar Madria, Wee-Keong Ng, Ee Peng Lim
Research Collection School Of Computing and Information Systems
Sets and bags are closely related structures. A bag is different from a set in that it is sensitive to the number of times an element occurs while a set is not. In this paper, we introduce the concept of web bag in a web warehouse as a part of our Web Information Coupling System(WICS). Informally, a web bag is a web table which allows multiple occurrences of identical web tuples. Web bag helps to discover useful knowledge from a web table such as visible documents (or web sites), luminous documents and luminous paths. We formally discuss the semantics and …
Structural Biology Metaphors Applied To The Design Of A Distributed Object System, Ladislau Bölöni, Ruibing Hao, Kyungkoo Jun, Dan C. Marinescu
Structural Biology Metaphors Applied To The Design Of A Distributed Object System, Ladislau Bölöni, Ruibing Hao, Kyungkoo Jun, Dan C. Marinescu
Department of Computer Science Technical Reports
No abstract provided.
Utility Driven Mobile-Agent Scheduling, Jonathan Bredin, David Kotz, Daniela Rus
Utility Driven Mobile-Agent Scheduling, Jonathan Bredin, David Kotz, Daniela Rus
Computer Science Technical Reports
Mobile agents are programs capable of migrating from one host machine to another. We propose that mobile agents purchase resource access rights from host machines thereby establishing a market for computational resources and giving agents a metric to evenly distribute themselves throughout the network. Market participation requires quantitative information about resource consumption to define demand and calculate utility. We create a formal utility model to derive user-demand functions, allowing agents to efficiently plan expenditure and deal with price fluctuations. By quantifying demand and utility, resource owners can precisely set a value for a good. We simulate our model in a …
Automated Highway Systems, Bruce M. Mcmillin, Kristen L. Sanford
Automated Highway Systems, Bruce M. Mcmillin, Kristen L. Sanford
Computer Science Faculty Research & Creative Works
Intelligent transportation systems (ATS) have received much attention in the transportation community and by the government in the past decade. The technology is an extension of intelligent vehicle highway systems to include transportation modes beyond highways. Major elements of ITS include: advanced traffic management systems; advanced traveller information systems; automated highway systems; the Intelligent Vehicle Initiative; and advanced commercial vehicle systems. ITS initiatives are proposed for both urban and rural areas to increase transportation system capacity by more fully utilizing the existing transportation system and improve transportation system safety. The feasibility of realizing a fully automated highway system is discussed.
Internet For Everyone: By Alexis Leon And Matthews Leon, Vikas Publishing House, 1997., S Sadagopan
Internet For Everyone: By Alexis Leon And Matthews Leon, Vikas Publishing House, 1997., S Sadagopan
IIMB Management Review
No abstract provided.
Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 14, Number 8, October 1998, College Of Engineering And Computer Science, Wright State University
Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 14, Number 8, October 1998, 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.
Abstractions For Simplifying Planning In Self-Reconfigurable Robotic Systems, Craig Mcgray, Daniela Rus
Abstractions For Simplifying Planning In Self-Reconfigurable Robotic Systems, Craig Mcgray, Daniela Rus
Computer Science Technical Reports
In [KVRM], we described a three-dimensional self-reconfiguring robot module called the Molecule Robot. In this paper, we provide a system of abstractions for modules in self-reconfigurable robotic systems, and show how this system can be used to simplify the motion planning of the Molecule Robot system.
Variability Analysis Of Discrete Cosine Transform Coefficient (Dctc) Features For Speech Processing, Bingjun Dai
Variability Analysis Of Discrete Cosine Transform Coefficient (Dctc) Features For Speech Processing, Bingjun Dai
Electrical & Computer Engineering Theses & Dissertations
In this research, the variability of Discrete Cosine Transform Coefficient (DCTC) features was investigated. Additionally, a new pitch-synchronous processing method was explored to increase the stability of features and to reduce window effects when compared to the regular method. The noise sources that lead to feature variability were analyzed, and different smoothing methods were tested. It was found that longer frames, frequency warping, time smoothing of the log spectrum, and DCS level time smoothing, all help reduce DCTC variability and increase classification performance. The pitch synchronous method was implemented with Matlab. Important processing methods, including pitch period estimation, time domain …
Analysis Of The Interpolation Error Between Multiresolution Images, Bryan S. Morse
Analysis Of The Interpolation Error Between Multiresolution Images, Bryan S. Morse
Faculty Publications
Many rendering or image-analysis systems require calculation of versions of an image at lesser resolutions than the original. Because the filtering required to perform such calculations accurately cannot typically be done in real time, many systems use interpolation between images at precalculated resolutions. This discrete sampling of the scale component of multiresolution image spaces is analogous to spatial sampling in discrete images. This paper quantifies and bounds the error that can be introduced during such interpolation as a function of the scale-space sampling rate used. A method is presented that uses the diffusion equation to relate spatial derivatives to scale …
Isophote-Based Interpolation, Bryan S. Morse, Duane Schwartzwald
Isophote-Based Interpolation, Bryan S. Morse, Duane Schwartzwald
Faculty Publications
Standard methods for image interpolation are based on smoothly fitting the image intensity surface. Recent edge-directed interpolation methods add limited geometric information (edge maps) to build more accurate and visually appealing interpolations at key contours in the image. This paper presents a method for geometry-based interpolation that smoothly fits the isophote (intensity level curve) contours at all points in the image rather than just at selected contours. By using level set methods for curve evolution, no explicit extraction or representation of these contours is required (unlike earlier edge-directed methods). The method uses existing interpolation techniques as an initial approximation and …
Parallel Algorithms For Maximum Matching In Complements Of Interval Graphs And Related Problems, Marilyn G. Andrews, Mikhail J. Atallah, Danny Z. Chen, D. T. Leo
Parallel Algorithms For Maximum Matching In Complements Of Interval Graphs And Related Problems, Marilyn G. Andrews, Mikhail J. Atallah, Danny Z. Chen, D. T. Leo
Department of Computer Science Technical Reports
No abstract provided.
Towards Performance-Driven System Support For Distributed Computing In Clustered Environments, John Cruz, Kihong Park
Towards Performance-Driven System Support For Distributed Computing In Clustered Environments, John Cruz, Kihong Park
Department of Computer Science Technical Reports
No abstract provided.
On The Collapse Of The Q-Gram Filtration, E. Stuinen, Wojciech Szpankowski
On The Collapse Of The Q-Gram Filtration, E. Stuinen, Wojciech Szpankowski
Department of Computer Science Technical Reports
No abstract provided.
Design And Implementation Of A Maritime Conflict Prediction System, Wee-Keong Ng, Ee Peng Lim, Wen Jing Hsu, Yy Cao
Design And Implementation Of A Maritime Conflict Prediction System, Wee-Keong Ng, Ee Peng Lim, Wen Jing Hsu, Yy Cao
Research Collection School Of Computing and Information Systems
Maritime conflicts have serious impacts on Singapore and the surrounding region both economically and environmentally. This is particularly severe for conflicts such as collisions between large vessels or tankers carrying oil and chemicals. Thus, it is in the interests of the Maritime and Port Authority of Singapore (MPA) to avoid collisions or near-collisions among such vessels navigating through Singapore waters. Existing systems used by MPA predict potential maritime conflicts arising within a short and fixed time horizon. The system produces inconsequential warnings that are often ignored. In this paper, we describe an advanced computerbased system designed to assist in the …
Validation Of Waimss Incident Duration Estimation Model, Wei Wu, Pushkin Kachroo, Kaan Ozbay
Validation Of Waimss Incident Duration Estimation Model, Wei Wu, Pushkin Kachroo, Kaan Ozbay
Electrical & Computer Engineering Faculty Research
This paper presents an effort to validate the traffic incident duration estimation model of WAIMSS (wide area incident management support system). Duration estimation model of WAIMSS predicts the incident duration based on an estimation tree which was calibrated using incident data collected in Northern Virginia. Due to the limited sample size, a full scale test of the distribution, mean and variance of incident duration was performed only for the root node of the estimation tree, white only mean tests were executed at all other nodes whenever a data subset was available. Further studies were also conducted on the model error …
Wide-Area Incident Management System On The Internet, Kaan Ozbay, Pushkin Kachroo
Wide-Area Incident Management System On The Internet, Kaan Ozbay, Pushkin Kachroo
Electrical & Computer Engineering Faculty Research
The incident management process consists of four sequential steps-incident detection, response, clearance and recovery. Each of these components comprises of a number of operations and coordinated decision-making between the agencies involved. The provision of computer based support tools for the personnel involved will help develop appropriate strategies and increase efficiency and expediency. Existing systems are developed on various traditional computing platforms. However, with the advent of World Wide Web and Internet based programming tools such as Java, it is now possible to develop platform independent decision support tools for the incident management agencies. Any agency will be able to use …
Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 14, Number 7, September 1998, College Of Engineering And Computer Science, Wright State University
Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 14, Number 7, September 1998, 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.