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Articles 9691 - 9720 of 12097
Full-Text Articles in Entire DC Network
On Object Semantic Similarity In Heterogeneous Database Integration, Xiangning Lui, Omran A. Bukhres
On Object Semantic Similarity In Heterogeneous Database Integration, Xiangning Lui, Omran A. Bukhres
Department of Computer Science Technical Reports
No abstract provided.
Expected Values For Cache Miss Rates For A Single Trace (Technical Summary), Russell W. Quong
Expected Values For Cache Miss Rates For A Single Trace (Technical Summary), Russell W. Quong
Department of Electrical and Computer Engineering Technical Reports
The standard trace-driven cache simulation evaluates the miss rate of cache C on an address trace T for program P running on input data I with object-code address map M for P. We note that the measured miss rate depends significantly on the address mapping M set arbitrarily by the compiler and linker. In this paper, we remove the effect of the address-mapping on the miss rate by analyzing a symbolic trace T of basic blocks. By assuming each basic block has an equal probability of ending up anywhere in the cache,'we determine the average miss rate over all possible …
The Use Of Predicates In Ll(K) And Lr(K) Parser Generators (Technical Summary) , T. J. Parr, R. W. Quong, H. G. Dietz
The Use Of Predicates In Ll(K) And Lr(K) Parser Generators (Technical Summary) , T. J. Parr, R. W. Quong, H. G. Dietz
Department of Electrical and Computer Engineering Technical Reports
Although existing LR(1) or U(1) parser generators suffice for many language recognition problems, writing a straightforward grammar to translate a complicated language, such as C++ or even C, remains a non-trivial task. We have often found that adding translation actions to the grammar is harder than writing the grammar itself. Part of the problem is that many languages are context-sensitive. Simple, natural descriptions of these languages escape current language tool technology because they were not designed to handle semantic information. In this paper, we introduce predicated LR (k) and LL (k) parsers as a solution. Predicates provide a general, practical …
A Framework For Flexible Transaction Management In Multidatabase Systems, Aidong Zhang, Omran Bukhres, Ahmed Elmagarmid
A Framework For Flexible Transaction Management In Multidatabase Systems, Aidong Zhang, Omran Bukhres, Ahmed Elmagarmid
Department of Computer Science Technical Reports
No abstract provided.
Policy And Procedures Manual: Department Of Computer Sciences, John R. Rice
Policy And Procedures Manual: Department Of Computer Sciences, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
A Taxonomic And Analytical Survey Of Multidatabase Systems, Tony Schaller, Omran A. Bukhres, Jiansan Chen, Ahmed K. Elmagarmid
A Taxonomic And Analytical Survey Of Multidatabase Systems, Tony Schaller, Omran A. Bukhres, Jiansan Chen, Ahmed K. Elmagarmid
Department of Computer Science Technical Reports
No abstract provided.
Academic Programs In Computational Science And Engineering, John R. Rice
Academic Programs In Computational Science And Engineering, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
The Integration Of Database Systems, Tony Schaller, Omran A. Bukhres, Ahmed K. Elmagarmid, Xiangning Liu
The Integration Of Database Systems, Tony Schaller, Omran A. Bukhres, Ahmed K. Elmagarmid, Xiangning Liu
Department of Computer Science Technical Reports
No abstract provided.
Register Allocation Via Weighted Graph Coloring (Technical Summary), Russell W. Quong, Shu-Ching Chen
Register Allocation Via Weighted Graph Coloring (Technical Summary), Russell W. Quong, Shu-Ching Chen
Department of Electrical and Computer Engineering Technical Reports
Register allocation by coloring an interference graph is a common technique. We introduce the weighted interference graph (WIG) which improves upon previous approaches in the following ways: (i) the cost of a coloring accurately models the cost of the register assignment, (ii) arbitrary register spills are handled naturally, as the coloring implicitly determines when and what registers to spill, and (iii) the allocation granularity is freely scalable from an instruction level to a per variable level. In particular, at any granularity, a WIG models the degree of interference between two vertices, which improves upon the traditional interference graph. The weights …
Pns Modules For The Synthesis Of Parallel Self-Organizing Hierarchical Neural Networks, Faramarz Valafar, Okan K. Ersoy
Pns Modules For The Synthesis Of Parallel Self-Organizing Hierarchical Neural Networks, Faramarz Valafar, Okan K. Ersoy
Department of Electrical and Computer Engineering Technical Reports
The PNS module is discussed as the building block for the synthesis of parallel, selforganizing, hierarchical, neural networks (PSHNN). The PNS consists of a prerejector (P-unit), a neural network (N-unit) and a statistical analysis unit (S-unit). The last two units together are also referred to as the NS unit. The P- and NS-units are fractile in nature, meaning that each such unit may itself consist of a number of parallel PNS modules. Through a mechanism of statistical acceptance or rejection of input vectors for classification, the sample space is divided into a number of subspaces. The input vectors belonging to …
Some Experiments With A Basic Linear Algebra Routine On Distributed Memory Parallel Systems, H. Byun, Elias N. Houstis, E. A. Vavalis
Some Experiments With A Basic Linear Algebra Routine On Distributed Memory Parallel Systems, H. Byun, Elias N. Houstis, E. A. Vavalis
Department of Computer Science Technical Reports
No abstract provided.
A Neural Network Approach To Stationary Target Discrimination, Douglas J. Munro, Okan K. Ersoy
A Neural Network Approach To Stationary Target Discrimination, Douglas J. Munro, Okan K. Ersoy
Department of Electrical and Computer Engineering Technical Reports
The problem which motivated this research was that of stationary target identification (STI) with millimeter wave seekers in a heavy clutter environment. While investigating the use of neural networks to perform target discrimination phase for ST1 problem, we began to search for a method to reduce the computational overhead associated with training a neural network to recognize low probability events. Our search yielded the development of a likelihood ratio weighting function (LRWF), which is very similar to the weighting function used in importance sampling techniques employed in the simulation of digital communication systems. By incorporating the LRWF into the backpropagation …
The Third International Conference On Expert Systems For Numerical Computing, Elias N. Houstis, John R. Rice, Robert Vichnevetsky
The Third International Conference On Expert Systems For Numerical Computing, Elias N. Houstis, John R. Rice, Robert Vichnevetsky
Department of Computer Science Technical Reports
No abstract provided.
Broadcast Methods In The Multiswitch Point-To-Point Network, Douglas E. Comer, Victor Norman
Broadcast Methods In The Multiswitch Point-To-Point Network, Douglas E. Comer, Victor Norman
Department of Computer Science Technical Reports
No abstract provided.
On The Multisearching Problem For Hypercubes, Mikhail J. Atallah, Andreas Fabri
On The Multisearching Problem For Hypercubes, Mikhail J. Atallah, Andreas Fabri
Department of Computer Science Technical Reports
No abstract provided.
Some Experiments With A Basic Linear Algebra Routine On Distributed Memory Parallel Systems, H. Byun, Elias N. Houstis, E. A. Vavalis
Some Experiments With A Basic Linear Algebra Routine On Distributed Memory Parallel Systems, H. Byun, Elias N. Houstis, E. A. Vavalis
Department of Computer Science Technical Reports
No abstract provided.
Laboratory Study On Properties Of Rubber-Soils, Imtiaz Ahmed
Laboratory Study On Properties Of Rubber-Soils, Imtiaz Ahmed
JTRP Technical Reports
The waste tire problem in the United States is of great magnitude and has far reaching environmental and economic implications. This study investigates the feasibility of using tire chips, alone and mixed with soils, as lightweight material in highway embankments . The report contains: synthesis of all available information and results from laboratory testing of tire chips, rubber-Ottawa sand, and rubber-Crosby till. It is found that rubber-sand with chip/mix ratios of 33% or less exhibits excellent engineering properties: easy to compact; low dry density; low compressibility; high strength; and excellent drainage characteristics. On the whole, the rubber-Crosby till mixes do …
On A Quantitative Model Of Dynamic System Reconfiguration Due To A Fault, Gene Saghi, Howard Jay Siegel, Jose A. B. Fortes
On A Quantitative Model Of Dynamic System Reconfiguration Due To A Fault, Gene Saghi, Howard Jay Siegel, Jose A. B. Fortes
Department of Electrical and Computer Engineering Technical Reports
The use of dynamic reconfiguration has been proposed to tolerate faults in large-scale partitionable parallel processing systems. If a processor develops a permanent fault during the execution of a task on a submachine A, three recovery options are migration of the task to another submachine, task migration to a subdivision of A, and redistribution of the task among the fault-free processors in A. Quantitative models of these reconfiguration schemes are developed to consider what information is needed to make a choice among these methods for a practical implementation. It is pointed out that in certain situations collecting precise values for …
Optimal Parallel Hypercube Algorithms For Polygon Problems, Mikhail J. Atallah, Danny Z. Chen
Optimal Parallel Hypercube Algorithms For Polygon Problems, Mikhail J. Atallah, Danny Z. Chen
Department of Computer Science Technical Reports
No abstract provided.
Parallel Electronic Prototyping Of Physical Objects, Poting Wu, Elias N. Houstis
Parallel Electronic Prototyping Of Physical Objects, Poting Wu, Elias N. Houstis
Department of Computer Science Technical Reports
No abstract provided.
Comparison Of Imsl/Idl With The Imsl Math Library And Exponet Graphics, Xingkang Fu, John R. Rice
Comparison Of Imsl/Idl With The Imsl Math Library And Exponet Graphics, Xingkang Fu, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
Building A Large Scale Distributed Object System For A Multilingual Programming Environment, Patrick A. Muckelbauer, Vincent F. Russo
Building A Large Scale Distributed Object System For A Multilingual Programming Environment, Patrick A. Muckelbauer, Vincent F. Russo
Department of Computer Science Technical Reports
No abstract provided.
Rate Equations From The Keldysh Formalism Applied To The Phonon Peak In Resonant-Tunneling Diodes, Roger Lake, Gerhard Klimeck, Supriyo Datta
Rate Equations From The Keldysh Formalism Applied To The Phonon Peak In Resonant-Tunneling Diodes, Roger Lake, Gerhard Klimeck, Supriyo Datta
Birck and NCN Publications
Starting from the Keldysh formalism, general analytical expressions are derived for the current and the occupation of the well in the presence of inelastic scattering, both at the main peak and at the pho- non peak. These expressions are then evaluated from a continuous coordinate representation of a double-barrier potential profile and also from a tight-binding model of a weakly coupled central site. The resulting expressions are similar, and the analytical expressions derived from the continuous coordi- nate representation compare well with the results obtained from numerical simulations. The analytical expressions and the numerical results show that unlike the main …
The Application Of Osha, Epa, And Dot Training Requirements To Highway Department Operations, Lynn A. Corson
The Application Of Osha, Epa, And Dot Training Requirements To Highway Department Operations, Lynn A. Corson
Purdue Road School
No abstract provided.
Management Tools Used For Establishing A Competitive Marketplace, Carolyn F. Sillery
Management Tools Used For Establishing A Competitive Marketplace, Carolyn F. Sillery
Purdue Road School
No abstract provided.
Motivation, Walt Buescher
Back-Face Culling Applied To Collision Detection Of Polyhedra, George Vanĕček
Back-Face Culling Applied To Collision Detection Of Polyhedra, George Vanĕček
Department of Computer Science Technical Reports
No abstract provided.
Supporting Distributed Transaction Dependencies And Security Constraints: A Knowledge Base Approach, Noureddine Boudriga, Omran Bukhres
Supporting Distributed Transaction Dependencies And Security Constraints: A Knowledge Base Approach, Noureddine Boudriga, Omran Bukhres
Department of Computer Science Technical Reports
No abstract provided.
Multidatabase Atomic Commitment Protocols: A Taxonomy And Unified Approach, Ahmed K. Elmagarmid, James G. Mullen
Multidatabase Atomic Commitment Protocols: A Taxonomy And Unified Approach, Ahmed K. Elmagarmid, James G. Mullen
Department of Computer Science Technical Reports
No abstract provided.
Characterization Of Dual-Gated Fully-Depleted So1 Mosfets That Utilize Silicon Selective Epitaxial Growth, Suresh Venkatesan, Gerold W. Neudeck
Characterization Of Dual-Gated Fully-Depleted So1 Mosfets That Utilize Silicon Selective Epitaxial Growth, Suresh Venkatesan, Gerold W. Neudeck
Department of Electrical and Computer Engineering Technical Reports
Fully-depleted single-gated and dual-gated SOI MOSFETs are fabricated using both Epitaxial Lateral Overgrowth (ELO) and Confined Lateral Selective Epitaxial Growth (CLSEG). SOI MOSFETs and diodes are fabricated in thin (= 1500A) CLSEG films grown in pre-defined 2500A, thick cavities for the first time. In addition to the SOI MOSFETs fabricated using selective epitaxial growth, thin-film SO1 MOSFETs were also fabricated on SIMOX wafers. The one to one comparison between the two SOI technologies proves that the EL0 and CLSEG material is of at least as good if not better quality than that of SIMOX. Effective hole mobilities in the excess …