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Research ArticleOpen accessIn the abstractNovel Approach to Determine the Effects of MS Environment using the Portable GPS Receiver with Built-in AntennaWan Azlan Wan Zainal Abidin, Kiyotaka Fujisaki, Mitsuo TateibaCommunication impairment on the Mobile Satellite (MS) path for non-geostationary satellite is mainly due to effect of multipath and shadowing. In order to study the signal quality received by the MS user, a receiver system that has similar characteristics to the actual receiver used by the MS user should be used. This study presents a novel approach to determine the … …American Journal of Applied Sciences, Vol. 5, Issue 8 · 31 Aug 2008 · 6,576 accessesView PDFCite
Research ArticleOpen accessIn the abstractNew Integer Programming Formulations of the Generalized Travelling Salesman ProblemPetrica C. PopThe Generalized Travelling Salesman Problem, denoted by GTSP, is a variant of the classical travelling salesman problem (TSP), in which the nodes of an undirected graph are partitioned into node sets (clusters) and the salesman has to visit exactly one node from every cluster. In this paper we described six distinct formulations of the GTSP as an integer programming. Apart … …American Journal of Applied Sciences, Vol. 4, Issue 11 · 30 Nov 2007 · 7,200 accessesView PDFCite
Research ArticleOpen accessIn the abstractParallel Algorithms for String Matching Problem on Single and Two Dimensional Reconfigurable Pipelined Bus SystemsS. Viswanadha Raju, A. Vinaya BabuWe considered string matching on LARPBS and 2D LARPBS. This has applications such as string databases, cellular automata and computational biology. The main use of this method is to reduce the time spent on comparisons in string matching by using LARPBS. We investigated exact string matching and approximate string matching problems. For these two sub problems, we obtained O (n) … …Journal of Computer Science, Vol. 3, Issue 9 · 30 Sep 2007 · 6,530 accessesView PDFCite
Research ArticleOpen accessIn the abstractTowards Growing Bario Rice on Lowland Soils: A Preliminary Nitrogen and Potassium Fertilization TrialMuyang Tawie Sulok Kevin, Osumanu Haruna Ahmed, Wan Yahaya Wan Asrina et al.A pot study was carried with the following objectives: (i) To investigate N and K uptake of Bario rice on Bekenu series (Tipik Tualemkuts), and (ii) To investigate N and K use efficiency of Bario rice on Bekenu series. Treatments evaluated were: (i) Bario rice under fertilized condition (T1), and (ii) Bario rice under unfertilized condition (T0). The experiment was … …American Journal of Agricultural and Biological Sciences, Vol. 2, Issue 2 · 30 Jun 2007 · 7,774 accessesView PDFCite
Research ArticleOpen accessIn the abstractData Mining: A Preprocessing EngineLuai A. Shalabi, Zyad Shaaban, Basel KasasbehThis study is emphasized on different types of normalization. Each of which was tested against the ID3 methodology using the HSV data set. Number of leaf nodes, accuracy and tree growing time are three factors that were taken into account. Comparisons between different learning methods were accomplished as they were applied to each normalization method. A new matrix was designed … …Journal of Computer Science, Vol. 2, Issue 9 · 30 Sep 2006 · 34,390 accessesView PDFCite
Research ArticleOpen accessIn the abstractHighly Efficient Elliptic Curve Crypto-Processor with Parallel GF(2m) Field MultipliersTurki F. Al-Somani, M. K. Ibrahim, Adnan GutubThis study presents a high performance GF(2m) Elliptic Curve Crypto-processor architecture. The proposed architecture exploits parallelism at the projective coordinate level to perform parallel field multiplications. In the proposed architecture, normal basis representation is used. Comparisons between the Projective, Jacobian and Mixed coordinate systems using sequential and parallel designs are presented. Results show that parallel designs using normal basis gives … …Journal of Computer Science, Vol. 2, Issue 5 · 31 May 2006 · 6,874 accessesView PDFCite
Research ArticleOpen accessIn the abstractEducational Attainment of Jordan's Population and Labor ForceMwafaq D. Al-KhaldiThe analysis of the educational attainment by Gender tells us about the general demand for education and qualitative change both in population and labor force. The term educational attainment used here refers to the actual level of education completed by a person as it is superior to the enrolment ratio - as a proxy for educational attainment - especially for … …Journal of Social Sciences, Vol. 2, Issue 1 · 31 Mar 2006 · 8,007 accessesView PDFCite
Research ArticleOpen accessIn the abstractBDD Path Length Minimization Based on Initial Variable OrderingP. W.C. Prasad, M. Raseen, A. Assi, S. M.N.A. SenanayakeA large variety of problems in digital system design, combinational optimization and verification can be formulated in terms of operations performed on Boolean functions. The time complexity of Binary Decision Diagram (BDD) representing a Boolean function is directly related to the path length of that BDD. In this paper we present a method to generate a BDD with minimum path … …Journal of Computer Science, Vol. 1, Issue 4 · 31 Dec 2005 · 6,504 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Fast Approximate String Searching AlgorithmMahmoud Mhashi, Adnan Rawashdeh, Awni HammouriIn both approximate and exact string searching algorithms, the shift distance at the skipping step plays a major role in the performance of string matching algorithms. A new algorithm called the Modified Character-Weight Algorithm (MWA) has been developed to test the effect of the shift distance on the performance of approximate string matching. An experiment was performed comparing the performance … …Journal of Computer Science, Vol. 1, Issue 3 · 30 Sep 2005 · 6,907 accessesView PDFCite
Research ArticleOpen accessIn the abstractRole of Plasmid in Production of Acetobacter Xylinum BiofilmsAbbas Rezaee, Sanaz Solimani, Mehdi ForozandemogadamAcetobacter xylinum has the ability to produce cellulotic biofilms. Bacterial cellulose is expected to be used in many industrial or biomedical materials for its unique characteristics. A. xylinum contains a complex system of plasmid DNA molecules. A 44 kilobases (kb) plasmid was isolated in wild type of A. xylinum. To improve the cellulose producing ability of A. xylinum, role of … …American Journal of Biochemistry and Biotechnology, Vol. 1, Issue 3 · 30 Sep 2005 · 7,498 accessesView PDFCite