Research ArticleOpen accessIn the keywordsIMPACT OF DEREGULATION OF THE JAMAICA MOBILE PHONE MARKET ON CALLING RATESAbdullahi O. AbdulkadriDeregulation of the telecommunications industry has led to a phenomenal growth in mobile phone service subscription in Jamaica with penetration rate reaching more than 100% within a decade of the start of deregulation. Consumers have benefited with significant cuts in rates for mobile phone service following the entry of new service providers. This study models the competition among old and … …American Journal of Economics and Business Administration, Vol. 6, Issue 2 · 26 Aug 2014 · 7,697 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSociopolitical Instability and Economic Growth Empirical Evidence from Sri LankaChangsheng Xu, Santhirasegaram Selvarathinam, Wen Xing LiSociopolitical instability severely affects economic growth in short and long run. This study analyzes that sociopolitical instability measured by proxy measure; annual growth rate of tourist arrivals in Sri Lanka during 1960-2005 adversely affects economic growth. Our empirical findings based on ordinary lease square econometric estimation, show that sociopolitical instability negatively and significantly affect economic growth. Reduction of economic growth … …American Journal of Applied Sciences, Vol. 4, Issue 12 · 31 Dec 2007 · 6,881 accessesView PDFCite
Research ArticleOpen accessIn the keywordsIntegrating (OLAP) Online Analytical Processing With a Fast Algorithm for Epileptic Seizures DetectionIlyas Zidane, Wajih Rhalem, Nordine ZidaneEpilepsy is a neurological disorder characterized by recurrent seizures, significantly impacting the quality of life of patients. Effective detection and analysis of epileptic seizures are crucial for timely intervention and management. This paper presents the integration of a fast algorithm for epileptic seizures detection with an OLAP (Online Analytical Processing) system using a star schema data warehouse model. By leveraging … …Journal of Computer Science, Vol. 22, Issue 10 · 12 Oct 2026 · 694 accessesView PDFCite
Research ArticleOpen accessIn the keywordsBased Approach to Improve the All-Pair Shortest Path ComputationLau Nguyen Dinh, Le Thanh TuanThis paper presents the development of a centralized algorithm for finding the shortest path between all pairs of vertices on a graph, utilizing the basic structure of the Floyd-Warshall sequential algorithm. The proposed algorithm leverages multiple processors to compute the shortest path between all vertex pairs, with one processor taking the central role in data management. This central processor divides … …Journal of Computer Science, Vol. 21, Issue 7 · 30 Jun 2025 · 2,911 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDesign of Enterprise Architecture Using Zachman Framework at Private School in Center JakartaKeysia Aprilia, Francka Sakti Lee, Yemima Monica Geasela et al.Technology is currently fundamental and necessary, including in the education sector, where information technology, such as enterprise architecture, can be applied to support and facilitate school business processes. Private schools in Central Jakarta are one of the schools that utilize information technology in running their business. However, currently, schools still need to use information technology optimally, so it is necessary … …Journal of Computer Science, Vol. 20, Issue 9 · 8 Jul 2024 · 6,364 accessesView PDFCite
Research ArticleOpen accessIn the keywordsCargo Route Optimization Using Shortest Path Algorithms: Runtime and Validity ComparisonDedy Rahman Wijaya, Aqil Athallah, Tiara Nuha Noor’afina et al.The Indonesian logistics industry is facing significant challenges related to inefficiency and irregularity, particularly in the commodity cargo route system. This issue is further exacerbated by the high logistics costs in the country, which currently stands at 23%, higher than that of other countries. To address this issue, this study proposes an implementation and examination of several algorithms Greedy, Best … …Journal of Computer Science, Vol. 19, Issue 11 · 19 Oct 2023 · 6,355 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Impact of Business IT Strategic Alignment on Corporate PerformanceJohanes Fernandes Andry, Aziza Chakir, Ronald Maraden Parlindungan Silalahi et al.Information technology's role is vital for a company's progress in its business management. Companies must implement differentiation and cost-reduction strategies to gain a competitive advantage in intense competition, especially among electrical appliance distributors. The implementation of cost reduction cuts business processes by streamlining IT/IS. However, business processes still have not implemented information systems, such as stock data collection, transaction problem … …Journal of Computer Science, Vol. 19, Issue 3 · 28 Feb 2023 · 7,923 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAn Empirical Criterion for Transitive ClosureMarius OrlowskiThe paper establishes a simple and computationally economical criterion for determining whether a given adjacency matrix represents a transitive closure or not. The criterion is based on a new iterative method for finding the transitive closure adjacency matrix. This method is equivalent to but computationally more efficient than the traditional Boolean sum of successive powers of the original adjacency matrix … …Journal of Computer Science, Vol. 18, Issue 12 · 23 Dec 2022 · 5,422 accessesView PDFCite
Research ArticleOpen accessIn the keywordsGreen Leadership as an Emerging Style for Addressing Climate Change Issues in SchoolsWahab AliThis paper attempts to investigate the concept of green leadership towards creating a greener environment through addressing issues of climate change and global warming. This initiative has been undertaken because principals take on a leading role in climate change education. As such an exploratory study was undertaken aimed at eliciting the views of principals about climate concepts and their opinions … …Journal of Social Sciences, Vol. 15, Issue 1 · 22 Jun 2019 · 8,311 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAntileishmanial and Antibacterial Activity of Essential Oils of Medicinal Plant Achillea santolina L.Abdulkarim Dakah, Mohammed MaarroufAchillea santolina is medicinal plant widely used in folk medicine for gastrointestinal disorders, anti-inflammatory and anti-diuretic. The World Health Organization (WHO) reports that about 350 million people are considered to be at risk of contracting leishmaniasis especially among people living in the developing countries. This research will be the first time that evaluate antileishmanial activity of essential oils of A. … …OnLine Journal of Biological Sciences, Vol. 19, Issue 1 · 2 Mar 2019 · 9,202 accessesView PDFCite