Research ArticleOpen accessIn the keywordsAspirin in Cardiovascular and Cerebrovascular Events: Does Market Failure Matter?Roger Lee MendozaProblem statement: Against the backdrop of the 2009 scientific studies qualifying the cardiovascular and cerebrovascular benefits of aspirin, two interrelated questions are raised for investigation in this study. First, why may the government intervene in an otherwise private transaction between physician and patient and between drug manufacturer and buyer, when it involves contentious pharmacological information? Second, does government intervention make … …American Journal of Economics and Business Administration, Vol. 2, Issue 1 · 31 Mar 2010 · 8,430 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Economics of Autism in EgyptRoger Lee MendozaProblem statement: This was the first study ever done on the cost consequences of Autism Spectrum Disorder (ASD) in Egypt or any other developing/industrializing country. The following questions were empirically investigated: What are the economic costs of ASD in Egypt and how do they compare with developed/industrialized countries? Why are cost consequences important in formulating ASD policy in Egypt and … …American Journal of Economics and Business Administration, Vol. 2, Issue 1 · 31 Mar 2010 · 11,735 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPreserving Data Consistency through Neighbor Replication on Grid DaemonA. Noraziah, M. Mat Deris, N.A. Ahmed et al.In modern distributed systems, replication receives particular attention for providing high data availability, fault tolerance and enhance the performance of the system. It is an important mechanism because it enables organizations to provide users with access to current data where and when they need it. However, this way of data organization introduces low data consistency and data coherency as more … …American Journal of Applied Sciences, Vol. 4, Issue 10 · 31 Oct 2007 · 6,883 accessesView PDFCite
Research ArticleOpen accessIn the keywordsA Secure Time-Stamp Based Concurrency Control Protocol For Distributed DatabasesShashi Bhushan, R. B. Patel, Mayank DaveIn distributed database systems the global database is partitioned into a collection of local databases stored at different sites. In this era of growing technology and fast communication media, security has an important role to play. In this paper we presented a secure concurrency control protocol (SCCP) based on the timestamp ordering, which provides concurrency control and maintains security. We … …Journal of Computer Science, Vol. 3, Issue 7 · 31 Jul 2007 · 6,885 accessesView PDFCite
Research ArticleOpen accessIn the keywordsOn Optimistic Concurrency Control for Real-Time Database SystemsAmer A. AliThe performance of database transaction processing system can be profoundly affected by the concurrency control method employed since it is necessary to preserve database integrity in a multi-user environment. In addition to satisfying the consistency requirement as in traditional database system, real-time database systems must also satisfy timing constraints. In this study we present a virtual run policy for the … …American Journal of Applied Sciences, Vol. 3, Issue 2 · 28 Feb 2006 · 6,901 accessesView PDFCite
Research ArticleOpen accessIn the keywordsIMPROVING DATA AVAILABILITY IN MOBILE ENVIRONMENT USING DATA ALLOCATIONMoaiad Ahmad Khder, Zulaiha Ali Othman, Abdullah Mohd Zin, Salha AbdullahData distribution is one of the crucial issues in Data Base Management Systems (DBMS) in general and in Mobile environment in Particular. It is important because, if not properly managed, it will cause reduction in data availability, which in turn causes more rejections in transactions. Replication algorithms (e.g., CCM) are used to improve data availability. However, the database replication algorithms … …Journal of Computer Science, Vol. 9, Issue 8 · 5 Jul 2013 · 6,860 accessesView PDFCite
Research ArticleOpen accessIn the keywordsProactive and Reactive View Change for Fault Tolerant Byzantine AgreementPoonam Saini, Awadhesh Kumar SinghProblem statement: Dealing with arbitrary failures effectively, while reaching agreement, remains a major operational challenge in distributed transactions. In the contemporary literature, standard protocols such as Byzantine Fault Tolerant Distributed Commit and Practical Byzantine Fault Tolerance handles the problem to a greater extent. However, the limitation with these protocols is that they incur increased message overhead as well as large … …Journal of Computer Science, Vol. 7, Issue 1 · 15 Jan 2011 · 7,048 accessesView PDFCite
Research ArticleOpen accessIn the keywordsNovel Mechanism Control Algorithm for Wired NetworkV. B. Kirubanand, S. PalaniammalProblem statement: A critical issue in wireless network where the data can hack by the person and we add a novel encryption mechanism to protect the data transfer from client to server and vice versa. Approach: We present a queuing model of a client and server that uses for bulk arrival service. The arrival of data requests is assumed to … …Journal of Computer Science, Vol. 7, Issue 9 · 27 Jul 2011 · 6,651 accessesView PDFCite
Research ArticleOpen accessIn the keywordsA Cost-Benefit Analysis of the Legalization of an Informal Health SectorRoger Lee MendozaProblem statement: The Philippines--a developing Southeast Asian country--exemplifies the co-existence of Western-oriented, medical science and indigenous, non-allopathic practices collectively known as Complementary and Alternative Medicine (CAM). The purpose of this study is to determine why and how the economics and politics of CAM’s integration with biomedical science could impede the achievement of health care redistribution in developing countries like the … …Journal of Social Sciences, Vol. 6, Issue 1 · 31 Mar 2010 · 10,019 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMemory Storage Issues of Temporal Database Applications on Relational Database Management SystemsSami M. Halawani, Nashwan A. Al-RomemaProblem statement: Many existing database applications manage time-varying data. These database applications are referred to as temporal databases or time-oriented database applications that are considered as repositories of time-dependent data. Many proposals have been introduced for developing time-oriented database applications, some of which suggest building support for Temporal Database Management Systems (TDBMS) on top of existing non-temporal DBMSs, while others … …Journal of Computer Science, Vol. 6, Issue 3 · 31 Mar 2010 · 7,731 accessesView PDFCite