577 articles for “Scheme”

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Research ArticleOpen accessIn the abstractCommunication Architecture Synthesis for Multi-bus SoCAbdelkrim Zitouni, Sami Badrouchi, Rached TourkiIn the systems on chip (SoC) design, the synthesis of communication architecture constitutes the bottleneck which can affect the performances of the system. Various schemes and protocols can be necessary, just as various topologies of interconnection. To reduce the complexity of the communications refinement, we present in this study a model and a synthesis approach for multi-bus communication architecture containing … …Journal of Computer Science, Vol. 2, Issue 1 · 31 Jan 2006 · 6,780 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAdaptive Update Policy for Proactive Management of Deadline Miss Ratio and Data Freshness in Real-Time Database ModelsSanjay Tanwani, Ashwani K. RamaniImportant applications, like e-commerce, online stock trading, traffic control demand real-time data services. Conventional database perform poor at these applications. A database for real-time data services has to support timing constraints and temporal consistency in addition to supporting characteristics of a conventional database system. In other words, it is desirable to execute transactions within its deadline using updated data reflecting … …Journal of Computer Science, Vol. 1, Issue 4 · 31 Dec 2005 · 6,207 accessesView PDF Cite

Research ArticleOpen accessIn the abstractPerformance Evaluation of a QoS-Aware Mechanism for Polling-Based High-Speed Network InterfacesSalman Al-Qahtani, Tarek Helmy, Khaled SalahThe explosive growth of the high-speed multimedia networks and the widespread use of web-based related applications place new demands on the network servers. The network end systems such as PC-Router, network server and host connected to high speed links must satisfy QoS requirements for multimedia traffics such as delay and loss ratio. Most works on operating systems support for high-speed … …Journal of Computer Science, Vol. 1, Issue 4 · 31 Dec 2005 · 6,565 accessesView PDF Cite

Research ArticleOpen accessIn the abstractA New Semantic Cache Management Method in Mobile DatabasesShengfei Shi, Jianzhong Li, Chaokun WangIn mobile database systems, caching is a crucial way to improve the performance because a new query can be partially answered locally when the client is continuously moving around. Semantic caching has been paid much attention in traditional database systems. However, the methods of semantic cache management proposed in those systems are not suitable for mobile computing environment. Moreover, although … …Journal of Computer Science, Vol. 1, Issue 3 · 30 Sep 2005 · 6,878 accessesView PDF Cite

Research ArticleOpen accessIn the abstractA Simple Approach for Building Cooling Load EstimationF. A. Ansari, A. S. Mokhtar, K. A. Abbas, N. M. AdamThe present work is to demonstrate how some very simple problems are made mathematically complex and seemingly tedious due to academic or business compulsions. There are some problems in which mathematical model are developed after making many simplifying assumptions. But, when it comes to solving these models, very sophisticated and complex schemes are applied. For such problems, dual policy does … …American Journal of Environmental Sciences, Vol. 1, Issue 3 · 30 Sep 2005 · 7,534 accessesView PDF Cite

Research ArticleOpen accessIn the abstractThe Evolution of Today's Health Care EconomyEldo E. Frezza, Maurizio Chiriva-InternatiThe health care economy has fluctuated in the last 30 years. One of the contributing factors has been the reimbursement schemes used by hospitals and physicians, which has had a considerable impact on the behavior and performance of the health care market. Unlike health care markets in other countries, the U.S. has a multi-payer system. These third-party payers include the … …Journal of Social Sciences, Vol. 1, Issue 1 · 31 Mar 2005 · 6,655 accessesView PDF Cite

Research ArticleOpen accessIn the abstractA Class of Region-preserving Space Transformations for Indexing High-dimensional DataRatko Orlandic, Jack LukaszukThis study introduces a class of region preserving space transformation (RPST) schemes for accessing high-dimensional data. The access methods in this class differ with respect to their space-partitioning strategies. The study develops two new static partitioning schemes that can split each dimension of the space within linear space complexity. They also support an effective mechanism for handling skewed data in … …Journal of Computer Science, Vol. 1, Issue 1 · 31 Mar 2005 · 6,919 accessesView PDF Cite