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Articles 9661 - 9690 of 12097
Full-Text Articles in Entire DC Network
A View-Based Approach To Relaxing Global Serializability In Multidatabase Systems, Aidong Zhang, Evaggelia Pitoura, Bharat K. Bhargava
A View-Based Approach To Relaxing Global Serializability In Multidatabase Systems, Aidong Zhang, Evaggelia Pitoura, Bharat K. Bhargava
Department of Computer Science Technical Reports
No abstract provided.
Exact And Approximate Methods For Computing The Hessian Of A Feedforward Artificial Neural Network, Craig W. Codrington, Manoel F. Tenorio
Exact And Approximate Methods For Computing The Hessian Of A Feedforward Artificial Neural Network, Craig W. Codrington, Manoel F. Tenorio
Department of Electrical and Computer Engineering Technical Reports
No abstract provided.
Ensuring Relaxed Atomicity For Flexible Transactions In Multidatabase Systems, Aidong Zhang, Marian H. Nodine, Omran Bukhres
Ensuring Relaxed Atomicity For Flexible Transactions In Multidatabase Systems, Aidong Zhang, Marian H. Nodine, Omran Bukhres
Department of Computer Science Technical Reports
No abstract provided.
Exact And Approximate Methods For Computing The Hessian Of A Feedforward Artificial Neural Network, Craig W. Codrington, Manoel F. Tenorio
Exact And Approximate Methods For Computing The Hessian Of A Feedforward Artificial Neural Network, Craig W. Codrington, Manoel F. Tenorio
Department of Electrical and Computer Engineering Technical Reports
No abstract provided.
A Selective Committee Architecture For Time Series Prediction And Pattern Classification, Antonio G. Thome, Manoel F. Tenorio
A Selective Committee Architecture For Time Series Prediction And Pattern Classification, Antonio G. Thome, Manoel F. Tenorio
Department of Electrical and Computer Engineering Technical Reports
In this report we describe a novel technique to generate a committee architecture for time series prediction. The algorithm, here named Selective Multiple Prediction Network, consists of three steps: a systematic partition of the input hyperspace, a selective training of many agents and a flexible combining strategy. Potencially uncorrelated agents are generated which improves the combination process. The proposed architecture is easily extended to the class of classification problems.
Visible Light And X-Ray Ray Tracing Of Generalized Cylinders, Jean Hsu, David M. Chelberg
Visible Light And X-Ray Ray Tracing Of Generalized Cylinders, Jean Hsu, David M. Chelberg
Department of Electrical and Computer Engineering Technical Reports
A new algorithm for ray tracing generalized cylinders whose axis is an arbit:rary three dimensional space curve and whose cross-sectional contour can be varied accortding to a general sweeping rule is presented. The only restriction placed on the class of generalized cylinders that can be ray-traced is that the sweeping rule of the generalized cylinder must be invertible. This algorithm handles a broader class of generalized cylinders than ainy other reported ray tracer. It has been integrated into a general geometric modeling systenn that can render objects utilizing visible light as well as simulated X-rays. Generalized cylinders are often used …
New Methods Of Complete Camera Calibration, Chanchal Chatterjee, Vwani P. Roychowdhury
New Methods Of Complete Camera Calibration, Chanchal Chatterjee, Vwani P. Roychowdhury
Department of Electrical and Computer Engineering Technical Reports
In this study, we present a complete camera calibration algorithm for the solution of all extrinsic and intrinsic param~etersf or both noncoplanar and coplanar distribution of object points. The complete algorithm consists of: (a) new methods of computing image center and scale factor parameters inclluding the coplanar case, (b) compllete lens distortion algorithms with general radial and first order tangential distortion models, and (c) computation of calibration parameters within necessary constraints such as orthonormality of the camera vectors. In addition, we demonstrate the effectiveness of higher order models and of higher iterations of the lens distortional gorithms. For accuate calibration, …
A Fuzzy Locally Sensitive Method For Cluster Analysis, Antonio G. Thome, Manoel F. Tenorio
A Fuzzy Locally Sensitive Method For Cluster Analysis, Antonio G. Thome, Manoel F. Tenorio
Department of Electrical and Computer Engineering Technical Reports
Cluster analysis has been playing an important role in pattern recognition, image processing, and time series analysis. The majority of the existing clustering algorithms depend on initial parameters and assumptions about the underlying dat,a structure. In this paper a fuzzy method of mode separation is proposed. The method addresses the task of multi-modal partition through a sequence of locally sensitive searches guided by a stochastic gradient ascent procedure, and addresses the cluster validity problem through a global partition performance criterion. the algorithm is computational efficient and provided gocd results when tested with a number of simulated and real data sets.
On Efficient And Robust Methods Of Accurate Camera Calibration, Chanchal Chatterjee, Vwani P. Roychowdhury
On Efficient And Robust Methods Of Accurate Camera Calibration, Chanchal Chatterjee, Vwani P. Roychowdhury
Department of Electrical and Computer Engineering Technical Reports
In this paper we have presented a novel algorithm for camera calibration which is a significant improvement in mathematical simplicity, accuracy and computational efficiency in the solution of all extrinsic (external camera geometric) and intrinsic (internal camera geometric and camera optics) parameters. The method involves a direct transformation from the three dimensional (3D) object world to the two-dimensional (2D) image or sensor plane in terms of "homogeneous vector forms" for the solution of 12 extrinsic and a number of intrinsic parameters for both coplanar and non-coplanar distributions of object points. Furthermore, we have demonstrated a strong robust property of the …
Project Isaac: Building Simulations For Virtual Environments, George Vanĕček, James Cremer
Project Isaac: Building Simulations For Virtual Environments, George Vanĕček, James Cremer
Department of Computer Science Technical Reports
No abstract provided.
Dealing With Mobility: Issues And Research Challenges, Evaggelia Pitoura, Bharat Bhargava
Dealing With Mobility: Issues And Research Challenges, Evaggelia Pitoura, Bharat Bhargava
Department of Computer Science Technical Reports
No abstract provided.
The Design And Implementation Of Tripwire: A File System Integrity Checker, Gene H. Kim, Eugene H. Spafford
The Design And Implementation Of Tripwire: A File System Integrity Checker, Gene H. Kim, Eugene H. Spafford
Department of Computer Science Technical Reports
No abstract provided.
The Effect Of Texture And Microstructure On Equibiaxial Fracture In Gallium Embrittled Aluminum Sheet, Michael Daniel Grah
The Effect Of Texture And Microstructure On Equibiaxial Fracture In Gallium Embrittled Aluminum Sheet, Michael Daniel Grah
Open Access Dissertations
No abstract provided.
Scheduling With Compensation In Multi- Database Systems, Aidong Zhang, Bharat Bhargava
Scheduling With Compensation In Multi- Database Systems, Aidong Zhang, Bharat Bhargava
Department of Computer Science Technical Reports
No abstract provided.
Logic Synthesis For Reliability - An Early Start To Controlling Electromigration And Hot Carrier Effects, Kaushik Roy, Sharat C. Prasad
Logic Synthesis For Reliability - An Early Start To Controlling Electromigration And Hot Carrier Effects, Kaushik Roy, Sharat C. Prasad
Department of Electrical and Computer Engineering Technical Reports
Designing reliable CMOS chips involve careful circuit design with attention directed to some of the potential reliability problems such as electromigration and hot carrier effects. This paper considers logic synthesis to handle electromigration and hot carrier degradation early in the design. phase. The electromigration and the hot carier effects are est,imated at the gate level using signal activity measure, which is the average number of transitions at circuit nodes. Logic can be optimally synthesized suited for different applications requiring different types of inputs for higher reliability and low silicon area. Results have been obtained for MCNC synthesis benchmark examples.
Circuit Optimization By Transistor Reordering For Minimization Of Power Consumption Under Delay Constraint, Sharat C. Prasad, Kaushik Roy
Circuit Optimization By Transistor Reordering For Minimization Of Power Consumption Under Delay Constraint, Sharat C. Prasad, Kaushik Roy
Department of Electrical and Computer Engineering Technical Reports
In this paper we address the problem of optimization of VLSI circuits to minimize power consumptioin while meeting performance goals. We present a method of estimating power consumptioin of a basic or complex CMOS gate which takes the internal cap,acitances of the gate into account. This method is used to select an ordering of series-connected transistors found in CMOS gates to achieve lower power consumption. The method is very efficient when used by library based design styles. We describe a multi-pass algorithm which makes use of transistor reordering to optimize performance and power consumption of circuits, which has a linear …
Modeling Flexibility In Distributed Transactions, Ahmed Elmagarmid, Aidong Zhang
Modeling Flexibility In Distributed Transactions, Ahmed Elmagarmid, Aidong Zhang
Department of Computer Science Technical Reports
No abstract provided.
Softlab - A Virtual Laboratory For Computational Science, Christoph M. Hoffmann, Elias N. Houstis, John R. Rice, Ann Christine Catlin, Margaret Gaitatzes, N-H. Linda Wang, Christos G. Takoudis, David G. Taylor
Softlab - A Virtual Laboratory For Computational Science, Christoph M. Hoffmann, Elias N. Houstis, John R. Rice, Ann Christine Catlin, Margaret Gaitatzes, N-H. Linda Wang, Christos G. Takoudis, David G. Taylor
Department of Computer Science Technical Reports
No abstract provided.
Serials Of The Energy Information Administration, Bert Chapman
Serials Of The Energy Information Administration, Bert Chapman
Libraries Research Publications
No abstract provided.
Semantic Problems Of Generative, Constraint Based Design, Christoph M. Hoffmann
Semantic Problems Of Generative, Constraint Based Design, Christoph M. Hoffmann
Department of Computer Science Technical Reports
No abstract provided.
A Distributed Memory Algorithm For 3-D Fft, Calin R. Costian, Dan C. Marinescu
A Distributed Memory Algorithm For 3-D Fft, Calin R. Costian, Dan C. Marinescu
Department of Computer Science Technical Reports
No abstract provided.
Integrating Temperature And Pest Management For Successful Grain Storage, Linda J. Mason, Dirk E. Maier, Charles Woloshuk
Integrating Temperature And Pest Management For Successful Grain Storage, Linda J. Mason, Dirk E. Maier, Charles Woloshuk
Historical Documents of the Purdue Cooperative Extension Service Archive
No abstract provided.
Parsec: A Constraint-Based Parser For Spoken Language Processing, Mary P. Harper, Randall A. Helzerman
Parsec: A Constraint-Based Parser For Spoken Language Processing, Mary P. Harper, Randall A. Helzerman
Department of Electrical and Computer Engineering Technical Reports
PARSEC (1), a text-based and spoken language processing framework based on the Constraint Dependency Grammar (CDG) developed by Maruyama [26,27], is discussed. The scope of CDG is expanded to allow for the analysis of sentences containing lexically ambiguous words, to allow feature analysis in constraints, and to efficiently process multiple sentence candidates that are likely to arise in spoken language processing. The benefits of the CDG parsing approach are summarized. Additionally, the development CDG grammars using PARSEC grammar writing tools and the implementation of the PARSEC parser for word graphs is discussed. (1) Parallel ARchitecture Sentence Constrainer
Global Committability In Multidatabase Systems, O. Bukhres, Ahmed K. Elmagarmid, J. Jing, W. Kim, A. Zhang
Global Committability In Multidatabase Systems, O. Bukhres, Ahmed K. Elmagarmid, J. Jing, W. Kim, A. Zhang
Department of Computer Science Technical Reports
No abstract provided.
A Geometric Constraint Solver, William Bouma, Ioannis Fudos, Christoph M. Hoffmann, Jiazhen Cai, Robert Paige
A Geometric Constraint Solver, William Bouma, Ioannis Fudos, Christoph M. Hoffmann, Jiazhen Cai, Robert Paige
Department of Computer Science Technical Reports
No abstract provided.
Some Observations On Inter-Library Loans, Hamish Good
Some Observations On Inter-Library Loans, Hamish Good
Proceedings of the IATUL Conferences
No abstract provided.
The Impacts Of Enterprise-Wide Network Technology On Service Management: A Corrective Model For A Technological University Library Management, Adriaan J. Coetzee
The Impacts Of Enterprise-Wide Network Technology On Service Management: A Corrective Model For A Technological University Library Management, Adriaan J. Coetzee
Proceedings of the IATUL Conferences
No abstract provided.
Forms Of Cooperation In The Library Information Network Of Finnish Academic Libraries, Tuija Sonkkila
Forms Of Cooperation In The Library Information Network Of Finnish Academic Libraries, Tuija Sonkkila
Proceedings of the IATUL Conferences
No abstract provided.
Some Statistics About The Searching Behaviour Of Users Of The Opac Of The Twente University Library, G. A.J.S. Van Marle, M. Skaliks
Some Statistics About The Searching Behaviour Of Users Of The Opac Of The Twente University Library, G. A.J.S. Van Marle, M. Skaliks
Proceedings of the IATUL Conferences
No abstract provided.
Iatul And The Academic Networks, Nancy Fjallbrant
Iatul And The Academic Networks, Nancy Fjallbrant
Proceedings of the IATUL Conferences
No abstract provided.