244 Result(s)
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Chapter and Conference Paper
Video data management in Media Controller: A distributed multimedia surveillance system
This paper describes a multimedia surveillance system, the Media Controller. The Media Controller is designed for industrial surveillance and monitoring applications, and it provides the realtime recording and...
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Chapter and Conference Paper
DeleGate: A general purpose application level gateway
DeleGate is a general purpose application level gateway which relays a variety of application protocols on the Internet, including HTTP, FTP, Gopher, WAIS, NNTP, SMTP, POP, Telnet, X Window and CU-SeeMe. It ov...
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Chapter and Conference Paper
Network interface active messages for low overhead communication on SMP PC clusters
NICAM is a communication layer for SMP PC clusters connected via Myrinet, designed to reduce overhead and latency by directly utilizing a micro-processor equipped on the network interface. It adopts remote mem...
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Chapter and Conference Paper
Decoupling Recovery Mechanism for Data Speculation from Dynamic Instruction Scheduling Structure
In this paper, we propose to decouple the recovery mechanism for data speculation from dynamic instruction scheduling structure. Instruction reissue mechanism for data speculation has a serious impact on proce...
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Chapter and Conference Paper
Parallelization of sparse cholesky factorization on an SMP cluster
In this paper, we present parallel implementations of the sparse Cholesky factorization kernel in the SPLASH-2 programs to evaluate performance of a Pentium Pro based SMP cluster. Solaris threads and remote me...
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Chapter and Conference Paper
A simple dynamic load-balancing scheme for parallel molecular dynamics simulation on distributed memory machines
We propose a simple and efficient load-balancing scheme for parallel molecular dynamics simulation on distributed memory machines. It decomposes spatial domain of particles into disjoint parts, each of which c...
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Chapter and Conference Paper
Performance Evaluation of OpenMP Applications with Nested Parallelism
Many existing OpenMP systems do not sufficiently imple- ment nested parallelism. This is supposedly because nested parallelism is believed to require a significant implementation effort, incur a large overhead...
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Chapter and Conference Paper
Information Retrieval Method for Frequently Updated Information System
In business system such as intranets, it is important to find valuable information from huge data in short term. A traditional centralized search engine is not suitable for this purpose because it is difficult...
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Chapter and Conference Paper
Design Issues of Network Enabled Server Systems for the Grid
Network Enabled Server is considered to be a good candidate as a viable Grid middleware, offering an easy-to-use programming model. This paper clarifies design issues of Network Enabled Server systems and disc...
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Chapter and Conference Paper
Temporal Constraints for Object Migration and Behavior Modeling Using Colored Petri Nets
In databases based on a multi-aspects object-oriented data model which enables multiple aspects of a real-world entity to be represented and to be acquired/lost dynamically, Object Migration (OM) updating memb...
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Chapter and Conference Paper
Execution Latency Reduction via Variable Latency Pipeline and Instruction Reuse
Operand bypass logic might be one of the critical structures for future microprocessors to achieve high clock speed. The delay of the logic imposes the execution time budget to be reduced significantly, result...
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Chapter and Conference Paper
Performance Modeling of Layered-Data Delivery for Mobile Users through Broadcast/On-Demand Hybrid Communication
We have proposed an efficient layered-data delivery system through multiple heterogeneous networks, which are on-demand and broadcast [1]. It is considered that layered data, such as map data, are composed of (1)...
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Chapter and Conference Paper
A Proposal of Multicast for Personalized Media Stream Delivery
This paper describes a scheme of network distribution that enables innovative broadcast content delivery service over the next-generation broadband Internet. The scheme enables producing diverse video/audio co...
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Chapter and Conference Paper
Performance Prediction Methodology for Parallel Programs with MPI in NOW Environments
We present a methodology for parallel programming, along with MPI performance measurement and prediction in a class of a distributed computing environments, namely networks of workstations. Our approach is bas...
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Chapter and Conference Paper
Retransmission Tree Configuration for Reliable Multicast Protocols
Some reliable multicast protocols are based on the retransmission tree that is used for the packet retransmission through the tree. In the mobile environment, the retransmission tree should be configured dynam...
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Chapter and Conference Paper
Vision-Based Face Tracking System for Large Displays
In this paper, we present a stereo-based face tracking system which can track the 3D position and orientation of a user in real-time, and the system’s application for interaction with a large display. Our trac...
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Chapter and Conference Paper
Fresh Information Retrieval Using Cooperative Meta Search Engines
In web page retrievals, search engines are usually used. However, conventional search engines have a problem in that their update intervals are very long because they are based on centralized architecture, whi...
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Chapter and Conference Paper
How Can the Earth Simulator Impact on Human Activities
The Earth Simulator (ES) is a vector-parallel supercomputer, consisting of 5120 vector processors. The peak performance of each vector processor is 8Gflops. Eight processors make one node with 16GB shared-memo...
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Chapter and Conference Paper
Prior Hyperparameters in Bayesian PCA
Bayesian PCA (BPCA) provides a Bayes inference for probabilistic PCA, in which several prior distributions have been devised; for example, automatic relevance determination (ARD) is used for determining the di...
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Chapter and Conference Paper
System Identification Based on Online Variational Bayes Method and Its Application to Reinforcement Learning
In this article, we present an on-line variational Bayes (VB) method for the identification of linear state space models. The learning algorithm is implemented as alternate maximization of an on-line free ener...