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621 results for “challenges”

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Research ArticleOpen accessIn the abstractRe-organization Impact on the Telekom Malaysia's International Division ProductivityAhasanul Haque, Ali Khatibi, Khaizura KarimInternational Divisions' productivity was perceived to incline towards a downward trend which was contravened in 1996 re-organization objective of Telekom Malaysia. This study aims to analyze the root causes of this setback and recommend the solutions to improve the company's productivity. The method to diagnose the root cause was done through surveys and interviews. The data collection was carried out … …Journal of Social Sciences, Vol. 2, Issue 2 · 30 Jun 2006 · 7,896 accessesView PDFCite
Research ArticleOpen accessIn the abstractCortisol Response Mediates HIV-1-Related Cognitive Deficits Among Injecting Drug AbusersRaymond L. Ownby, Drenna Waldrop-Valverde, Adarsh M. Kumar et al.The cortisol response is an important measure of the endocrine activity to environmental challenges and has been related to cognitive function and mood. Previous studies have shown that the cortisol response to stress is dysregulated in persons with HIV-1 infection. Since cortisol is neurotoxic and its levels have been related to cognitive dysfunction in various disorders, it is possible that … …American Journal of Infectious Diseases, Vol. 2, Issue 2 · 30 Jun 2006 · 6,759 accessesView PDFCite
Research ArticleOpen accessIn the abstractMobile Agents in Wireless LAN and Cellular Data NetworksR. B. Patel, V. K. Katiyar, Vishal GargAdvancing technology in wireless communication offers users anytime, anywhere access to information and network resources without restricting them to the fixed network infrastructure. Mobile computing represents a shift in the distributed systems paradigm. The potential of decoupled and disconnected operation, location-dependent computation and communication and powerful portable computing devices gives rise to opportunities for new patterns of distributed computation that … …Journal of Computer Science, Vol. 2, Issue 5 · 31 May 2006 · 7,083 accessesView PDFCite
Research ArticleOpen accessIn the abstractComparative Performance Analysis of Mobile IPv6 Protocols: Special Reference to Simultaneous BindingsShariq Haseeb, Ahmad F. IsmailMobile IP is the Internet Engineering Task Force (IETF) proposal to cater for All-Internet Protocol (All-IP) mobility. It forms the backbone for next generation Wireless Internet Technology to provide uninterrupted network service while on the move. Our paper conducts a performance study of the various Mobile Internet Protocol version 6 (IPv6) protocols such as Simple Mobile IPv6, Hierarchical Mobile IPv6, … …Journal of Computer Science, Vol. 2, Issue 2 · 28 Feb 2006 · 7,865 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Proposed Optical Music Mark Recognition SystemIsmael JannoudThe optical music symbol recognition system still has many challenges. Most of issues focused on the recognition of the individual marks in the input concert documents. In this study a new and efficient model for optical music recognition (OMR) was proposed. The music marks was recognized and played by the computer OMR system automatically. A stored file of music documents … …Journal of Computer Science, Vol. 1, Issue 2 · 19 Oct 2005 · 4,890 accessesView PDFCite
Research ArticleOpen accessIn the abstractEclecticism Beyond Orthodoxies: African Social Science Research in the Fight Against HIV/AIDSAmbe-Uva T. NomThis study examines the importance of social science research on HIV/AIDS in Africa. There is a dearth of social science research on HIV/AIDS epidemic in Africa as available literature focus essentially on biomedical and epidemiological aspect of HIV/AIDS research and behavioral changes. In Africa however, efforts at preventing and mitigating the impact of HIV/AIDS epidemic will have to consider the … …Journal of Social Sciences, Vol. 1, Issue 3 · 30 Sep 2005 · 6,970 accessesView PDFCite
Research ArticleOpen accessIn the abstractOrigin and Trend of Distance Education in UgandaBbuye Juliana, Mango M. JohnDistance education has been in existence in Uganda since the 1960s, and it has grown steadily since that time. It is however a neglected area in terms of data collection and research. The courses that were running between 1960 and 1980s have scanty documentation. What can be traced include the upgrading course for teachers which upgraded 1000 teachers from vernacular … …Journal of Social Sciences, Vol. 1, Issue 3 · 30 Sep 2005 · 7,148 accessesView PDFCite
Research ArticleOpen accessIn the abstractDesigning a Portlet for Plagiarism Detections Within a Campus PortalJinan A.W. Fiaidhi, Zuhoor AlKhanjari, Sabah M.A. Mohammed, Raiya Al-HinaiIn an educational context, we are faced with similar challenges. How do we keep the administration, faculty, staff and students well informed about institutional policies and procedures? How do we ensure the student body receives accurate and up-to-date information to help them achieve their educational and career goals? How to check for plagiarism cases? In addition, we hope to build … …Journal of Computer Science, Vol. 1, Issue 1 · 31 Mar 2005 · 6,759 accessesView PDFCite
Research ArticleOpen accessIn the abstractUltra Wide Band (UWB) Ad-hoc Networks: Review and TrendsRashid Saeed, Sabira Khatun, Borhanuddin M. Ali, Mohd K. AbduallahShort-range wireless systems have recently gained a lot of attention to provide seamless, multimedia communications around a user-centric concept in so called Wireless Personal Area Networks (WPAN). Ultra-Wide Band (UWB) technology presents itself as a good candidate for the Physical Layer (PHY) of WPAN, both for high and low data rate applications. Many ongoing developments of Ultra-Wide Band (UWB) system … …Journal of Computer Science, Vol. 1, Issue 1 · 31 Mar 2005 · 7,060 accessesView PDFCite