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Articles 53611 - 53640 of 58020
Full-Text Articles in Physical Sciences and Mathematics
Mail Server Installation And Integration, Tim Lewis
Mail Server Installation And Integration, Tim Lewis
Honors Capstone Projects and Theses
No abstract provided.
Specification And Verification Of Generic Cell Rate Algorithms In Pvs, Huseyin Ozgungor
Specification And Verification Of Generic Cell Rate Algorithms In Pvs, Huseyin Ozgungor
Electrical & Computer Engineering Theses & Dissertations
Formal verification methods have been considered as a powerful complementary approach to define standards and to prove correctness of the systems. In this work, formal specification of Generic Cell Rate Algorithms are defined and proved. The specification process enables standardization for constructing Generic Cell Rate Algorithms. Standardization is an important process in the Asynchronous Transfer Mode (ATM) networks. By employing formal methods, the necessary standards could be constructed to allow different algorithms to be employed which still meet system requirements. Those system requirements are quantified in the Quality of Service (QOS).
Congestion management is a vital concept for networks in …
A Synthesized Methodology For Eliciting Expert Judgment For Addressing Uncertainty In Decision Analysis, Richard W. Monroe
A Synthesized Methodology For Eliciting Expert Judgment For Addressing Uncertainty In Decision Analysis, Richard W. Monroe
Engineering Management & Systems Engineering Theses & Dissertations
This dissertation describes the development, refinement, and demonstration of an expert judgment elicitation methodology. The methodology has been developed by synthesizing the literature across several social science and scientific fields. The foremost consideration in the methodology development has been to incorporate elements that are based on reasonable expectations for the human capabilities of the user, the expert in this case.
Many methodologies exist for eliciting assessments for uncertain events. These are frequently elicited in probability form. This methodology differs by incorporating a qualitative element as a beginning step for the elicitation process. The qualitative assessment is a more reasonable way …
Integrating Research Into The Core Curriculum - A Case Study, Erika Rogers
Integrating Research Into The Core Curriculum - A Case Study, Erika Rogers
Computer Science and Software Engineering
No abstract provided.
Agent Tcl: A Flexible And Secure Mobile-Agent System, Robert S. Gray
Agent Tcl: A Flexible And Secure Mobile-Agent System, Robert S. Gray
Dartmouth College Ph.D Dissertations
A mobile agent is an autonomous program that can migrate under its own control from machine to machine in a heterogeneous network. In other words, the program can suspend its execution at an arbitrary point, transport itself to another machine, and then resume execution from the point of suspension. Mobile agents have the potential to provide a {\em single, general framework} in which a wide range of distributed applications can be implemented efficiently and easily. Several challenges must be faced, however, most notably reducing migration overhead, protecting a machine from malicious agents (and an agent from malicious machines), and insulating …
Link/Loop/Node Networks, Mark E. Gilbert
Link/Loop/Node Networks, Mark E. Gilbert
Honors Theses
This document is really two separate documents that have been appended together. The first is Link/Loop/Node Networks. This document describes the theory behind link/loop/node networks (LLN), as well as the basic operating instructions for the LLN Simulator (LLNS). The second document is LLN Simulator Technical Reference. This second document describes how the LLNS was constructed using Microsoft Access 2.0, as well as how the LLNS simulates LLN.
Agent Based Systems To Support Multi- Disciplinary Probelm Solving Environments, Anupam Joshi, Naren Ramakrishnan, Tzvetan Drashansky, Elias N. Houstis, John R. Rice, L. H. Tsoukalas
Agent Based Systems To Support Multi- Disciplinary Probelm Solving Environments, Anupam Joshi, Naren Ramakrishnan, Tzvetan Drashansky, Elias N. Houstis, John R. Rice, L. H. Tsoukalas
Department of Computer Science Technical Reports
No abstract provided.
Improving Data Availability In Mobile Computing Using Prewrite Operations, Sanjay Kumar Madria, Bharat Bhargava
Improving Data Availability In Mobile Computing Using Prewrite Operations, Sanjay Kumar Madria, Bharat Bhargava
Department of Computer Science Technical Reports
No abstract provided.
Exploiting And-Or Parallelism In Prolog: The Oasys Computational Model And Abstract Architecture, I. P. Vlachavas
Exploiting And-Or Parallelism In Prolog: The Oasys Computational Model And Abstract Architecture, I. P. Vlachavas
Department of Computer Science Technical Reports
No abstract provided.
Seed Sets And Search Structures For Accelerated Isocontouring, Chandrajit L. Bajaj, Valerio Pasucci, Daniel R. Schikore
Seed Sets And Search Structures For Accelerated Isocontouring, Chandrajit L. Bajaj, Valerio Pasucci, Daniel R. Schikore
Department of Computer Science Technical Reports
No abstract provided.
Practical Sliced Configuration Spaces For Curved Planar Pairs, Elisha Sacks
Practical Sliced Configuration Spaces For Curved Planar Pairs, Elisha Sacks
Department of Computer Science Technical Reports
No abstract provided.
Solving Composite Problems With Interface Relaxation, Mo Mu
Solving Composite Problems With Interface Relaxation, Mo Mu
Department of Computer Science Technical Reports
No abstract provided.
Book Review Of Joshua M. Epstein & Robert Axtell, Growing Artificial Societies: Social Science From The Bottom Up (Mit Press 1996), Sean D. Detweiler
Book Review Of Joshua M. Epstein & Robert Axtell, Growing Artificial Societies: Social Science From The Bottom Up (Mit Press 1996), Sean D. Detweiler
RISK: Health, Safety & Environment (1990-2002)
Review of the book Joshua M. Epstein & Robert Axtell, Growing Artificial Societies: Social Science from the Bottom Up (MIT Press 1996). Acknowledgements, appendices, index, introduction references. LC 96-25332; ISBN 0-262-05053-6. [208 pp. Cloth $39.95. 55 Hayward St., Cambridge MA 02142.]
The Complexity Of Clerkship Scheduling, Jonathan Feldman
The Complexity Of Clerkship Scheduling, Jonathan Feldman
Dartmouth College Undergraduate Theses
Medical students must complete a clerkship program in their fourth year. Individual students have preferences for the clerkships to which they are assigned. However, individual hospitals also have capacities on how many students may be assigned to each clerkship. The problem of scheduling medical students to clerkships is formalized. The problem is then placed in a theoretical framework, and the most general case of Clerkship Scheduling is proven NP-hard. A detailed approximation algorithm is given, and an implementation of this algorithm is discussed and tested.
Autonomous Construction Of Multi Layer Perceptron Neural Networks, Thomas F. Rathbun
Autonomous Construction Of Multi Layer Perceptron Neural Networks, Thomas F. Rathbun
Theses and Dissertations
The construction of Multi Layer Perceptron (MLP) neural networks for classification is explored. A novel algorithm is developed, the MLP Iterative Construction Algorithm (MICA), that designs the network architecture as it trains the weights of the hidden layer nodes. The architecture can be optimized on training set classification accuracy, whereby it always achieves 100% classification accuracies, or it can be optimized for generalization. The test results for MICA compare favorably with those of backpropagation on some data sets and far surpasses backpropagation on others while requiring less FLOPS to train. Feature selection is enhanced by MICA because it affords the …
Search For The Bc Meson In Hadronic Z Decays, R. Barate, Manoj Thulasidas
Search For The Bc Meson In Hadronic Z Decays, R. Barate, Manoj Thulasidas
Research Collection School Of Computing and Information Systems
A search for the Bc meson decaying into the channels Jψπ+ and Jψℓ+νℓ (ℓ = e or μ) is performed in a sample of 3.9 million hadronic Z decays collected by the ALEPH detector. This search results in the observation of 0 and 2 candidates in each of these channels, respectively, while 0.44 and 0.81 background events are expected. The following 90% confidence level upper limits are derived:Br(Z→BcXBr(Z→qq̄Br(Bc+→Jψπ+)
Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 13, Number 6, June 1997, College Of Engineering And Computer Science, Wright State University
Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 13, Number 6, June 1997, College Of Engineering And Computer Science, Wright State University
BITs and PCs Newsletter
Wright State University College of Engineering and Computer Science
Physiologically-Based Vision Modeling Applications And Gradient Descent-Based Parameter Adaptation Of Pulse Coupled Neural Networks, Randy P. Broussard
Physiologically-Based Vision Modeling Applications And Gradient Descent-Based Parameter Adaptation Of Pulse Coupled Neural Networks, Randy P. Broussard
Theses and Dissertations
In this research, pulse coupled neural networks (PCNNs) are analyzed and evaluated for use in primate vision modeling. An adaptive PCNN is developed that automatically sets near-optimal parameter values to achieve a desired output. For vision modeling, a physiologically motivated vision model is developed from current theoretical and experimental biological data. The biological vision processing principles used in this model, such as spatial frequency filtering, competitive feature selection, multiple processing paths, and state dependent modulation are analyzed and implemented to create a PCNN based feature extraction network. This network extracts luminance, orientation, pitch, wavelength, and motion, and can be cascaded …
Measurement Of The Branching Fraction For D0 → K-Π+, R. Barate, M. Thulasidas
Measurement Of The Branching Fraction For D0 → K-Π+, R. Barate, M. Thulasidas
Research Collection School Of Computing and Information Systems
The branching fraction for D0 → K−π+ is measured with the statistics collected by ALEPH from 1991 to 1994. The method is based on the comparison between the rate for the reconstructed D∗+→ D0π+, D0 → K−π+ decay chain and the rate for inclusive soft pion production at low transverse momentum with respect to the nearest jet. The result is B(D0 → K−π+0 = (3.90 ± 0.09 ± 0.12)%
Technologies For Ubiquitous Supercomputing: A Java Interface To The Nexus Communication System, Ian Foster, George K. Thiruvathukal, Steven Tuecke
Technologies For Ubiquitous Supercomputing: A Java Interface To The Nexus Communication System, Ian Foster, George K. Thiruvathukal, Steven Tuecke
Computer Science: Faculty Publications and Other Works
We use the term ubiquitous supercomputing to refer to systems that integrate low- and mid-range computing systems, advanced networks and remote high-end computers with the goal of enhancing the computational power accessible from local environments. Such systems promise to enable new applications in areas as diverse as smart instruments and collaborative environments. However, they also demand tools for transporting code between computers and for establishing flexible, dynamic communication structures. In this article, we propose that these requirements be satisfied by introducing Java classes that implement the global pointer and remote service request mechanisms defined by a communication library called Nexus. …
Bandwidth, Edgesum And Profile Of Graphs, Yung-Ling Lai
Bandwidth, Edgesum And Profile Of Graphs, Yung-Ling Lai
Dissertations
No abstract provided.
A Toolkit For Specializing Production Operating System Code, Crispin Cowan, Dylan Mcnamee, Andrew P. Black, Calton Pu, Jonathan Walpole, Charles Krasic, Perry Wagle, Qian Zhang
A Toolkit For Specializing Production Operating System Code, Crispin Cowan, Dylan Mcnamee, Andrew P. Black, Calton Pu, Jonathan Walpole, Charles Krasic, Perry Wagle, Qian Zhang
Computer Science Faculty Publications and Presentations
Specialization has been recognized as a powerful technique for optimizing operating systems. However, specialization has not been broadly applied beyond the research community because the current techniques, based on manual specialization, are time-consuming and error-prone. This paper describes a specialization toolkit that should help broaden the applicability of specializing operating systems by assisting in the automatic generation of specialized code, and {\em guarding} the specialized code to ensure the specialized system continues to be correct. We demonstrate the effectiveness of the toolkit by describing experiences we have had applying it in real, production environments. We report on our experiences with …
Efficient Parallel Processing With Optical Interconnections, Lili Hai
Efficient Parallel Processing With Optical Interconnections, Lili Hai
Dissertations
With the advances in VLSI technology, it is now possible to build chips which can each contain thousands of processors. The efficiency of such chips in executing parallel algorithms heavily depends on the interconnection topology of the processors. It is not possible to build a fully interconnected network of processors with constant fan-in/fan-out using electrical interconnections. Free space optics is a remedy to this limitation. Qualities exclusive to the optical medium are its ability to be directed for propagation in free space and the property that optical channels can cross in space without any interference. In this thesis, we present …
Multi-Wavelength Infrared Imaging Computer Systems And Applications, Jun Li
Multi-Wavelength Infrared Imaging Computer Systems And Applications, Jun Li
Dissertations
This dissertation presents the development of three computer systems for multi-wavelength thermal imaging.
Two computer systems were developed for the multi-wavelength imaging pyrometers (M-WIPs) that yield non-contact temperature measurements by remotely sensing the surface of objects with unknown wavelength-dependent emissivity. These M-WIP computer systems represent the state-of-art development in remote temperature measurement system based on the multi-wavelength approach. The dissertation research includes M-WIP computer system integration, software development, performance evaluation, and also applications in monitoring and control of temperature distribution of silicon wafers in a rapid thermal process system.
The two M-WIPs are capable of data acquisition, signal processing, system …
High Speed Protocols For Dual Bus And Dual Ring Network Architectures, Yaling Zhou
High Speed Protocols For Dual Bus And Dual Ring Network Architectures, Yaling Zhou
Dissertations
In this dissertation, two channel access mechanisms providing fair and bandwidth efficient transmission on dual bus and dual ring networks with high bandwidth-latency product are proposed. In addition, two effective priority mechanisms are introduced to meet the throughput and delay requirements of the diverse arrays of applications that future high speed networks must support.
For dual bus architectures, the Buffer Insertion Bandwidth Balancing (BI_BWB) mechanism and the Preemptive priority Bandwidth Balancing (P_BI_BWB) mechanism are proposed. BI_BWB can significantly improve the delay performance of remote stations. It achieves that by providing each station with a shift register into which the station …
On Document Filing Based Upon Predicates, Zhijian Zhu
On Document Filing Based Upon Predicates, Zhijian Zhu
Dissertations
This dissertation presents a formal approach to modeling documents in a personal office environment, proposes a heterogeneous algebraic query language to manipulating objects (folders) in the document model, and investigates a predicate-driven document filing system for automatically filing documents.
The document model was initially proposed in [38] which adopts a very natural view for describing the office documents using the relational and object-oriented paradigms. The model employs a dual approach to classifying and categorizing office documents by defining both a document type hierarchy and a folder organization. This dissertation extends and specifies formally the document model. Documents are partitioned into …
Design And Implementation Of On-Line Metrics, Ashok Vantipalli
Design And Implementation Of On-Line Metrics, Ashok Vantipalli
Theses
The performance of a software product plays an important role in the software industry to survive the tough competition given by the other software vendors. The real test for a software product starts after its release when it is extensively used by the end users and in different environments. And the software goes through a number of tests by the end users which can be very different and insufficient from the regression tests the software vendor performed on it. This critical issue; requires each vendor to have a department mainly dealing with the testing and analysing the performance of a …
A Graphical Environment For Change Detection In Structured Documents, Girish A. Patel
A Graphical Environment For Change Detection In Structured Documents, Girish A. Patel
Theses
Change detection in structured documents (e.g. SGML is important in data warehousing, digital libraries and Internet databases. This thesis presents a graphical environment for detecting changes in the structured documents. We represent. each document by alp ordered labeled tree based on the underlying markup language. We then compare two documents by invoking previously developed algorithms for approximate pattern matching and pattern discovery in trees. Several operators are developed to support. the comparison of the documents; graphical devices are provided to facilitate the use of the operators. We believe the proposed tool is useful for not only document management, but also …
Object Oriented Partitioning For A Medical Vocabulary Based On Semantic Network, Mansnimar Singh
Object Oriented Partitioning For A Medical Vocabulary Based On Semantic Network, Mansnimar Singh
Theses
Computers have become ubiquitous and indispensable part of everyday life both for personal use and in the workplace. Medicine is one of the few domains that has not fully adopted computerization. One impediment to this emanates from a communication gap between the computer science professional and the medical professional. Besides, medical terminology is full of synonyms and medical professionals use them according to their personal preferences. This lack of common terminology has prevented sharing of knowledge and automating data processing, resulting in the healthcare information explosion.
Semantic network models have been developed to represent medical concepts and to provide a …
The Role Of Mathematics In Culture, W. James Bradley
The Role Of Mathematics In Culture, W. James Bradley
ACMS Conference Proceedings 1997
This paper examines theories of the role of mathematics in culture and seeks to understand how a Christian should view the role of mathematics.