Volume 6, Issue 7 (2010) | Journal of Computer Science

Model Checking the Biological Model of Membrane Computing with Probabilistic Symbolic Model Checker by Using Two Biological Systems

Ravie Chandren Muniyandi — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.669.678

Problem statement: Membrane computing formalism has provided better modeling capabilities for biological systems in comparison to conventional mathematical models. Model checking could be used to reas...

Automatic Mouth Localization Using Edge Projection

Mohamed Rizon — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.679.683

Problem statement: This study presented algorithms to detect mouth from color and intensity images. Approach: First, this algorithm detected the face region in the image and extracts intensity valleys...

Quantum Cryptography with Several Cloning Attacks

Mustapha Dehmani — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.684.688

Problem statement: In a previous research, we investigated the quantum key distribution of the well known BB84 protocol with several intercept and resend attacks. In the present research, we studied t...

A System for E-Learning Processes Management

Hassan Mohammed M. Elmetwaly — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.689.692

Problem statement: This research deled with difficulties and challenges facing students in their seek to reach specialized courses and curriculums. Approach: It also deled with methodology of facing s...

Face Biometrics Based on Principal Component Analysis and Linear Discriminant Analysis

Lih-Heng Chan — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.693.699

Problem statement: In facial biometrics, face features are used as the required human traits for automatic recognition. Feature extracted from face images are significant for face biometrics system pe...

Speech Enhancement Using Minimum Mean-Square Error Amplitude Estimators Under Normal and Generalized Gamma Distribution

Chabane Boubakir — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.700.705

Problem statement: In this study, DFT-based speech enhancement via Minimum Mean-Square Error (MMSE) amplitude estimators was considered. Approach: Several variants of the basic approach (MMSE-STSA) ha...

Advances in Electromyogram Signal Classification to Improve the Quality of Life for the Disabled and Aged People

Md. R. Ahsan — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.706.715

Problem statement: The social demands for the Quality Of Life (QOL) are increasing with the exponentially expanding silver generation. To improve the QOL of the disabled and elderly people, robotic re...

Amelioration of Attack Classifications for Evaluating and Testing Intrusion Detection System

Mohammed Saber — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.716.722

Problem statement: The problem of the computer attack system has recently been much studied to improve the evaluation process of the Intrusion Detection Systems (IDS). Approach: This study aimed at pr...

E-Visas Verification Schemes Based on Public-Key Infrastructure and Identity Based Encryption

Najlaa A. Abuadhmah — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.723.727

Problem statement: Visa is a very important travelling document, which is an essential need at the point of entry of any country we are visiting. However an important document such as visa is still ha...

A Backward Recovery Mechanism in Preemptive Utility Accrual Real Time Scheduling Algorithm

Idawaty Ahmad — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.728.734

Problem statement: This study proposed a robust algorithm named as Backward Recovery Preemptive Utility Accrual Scheduling (BRPUAS) algorithm that implements the Backward Recovery (BR) mechanism as a ...

Constructing Fuzzy Time Series Model Based on Fuzzy Clustering for a Forecasting

Ashraf K. Abd Elaal — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.735.739

Problem statement: In this study researchers introduced a fuzzy time series model depending on fuzzy clustering to solve the problem in which the membership values are assumed as Song and Chissom mode...

Indoor Navigation to Support the Blind Person Using True Pathway within the Map

Abbas M. Ali — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.740.747

Problem statement: Map creation remains a very active field in the robotics and AI community, however it contains some challenge points like data association and the high degree of accuracy of localiz...

Feature Analysis of Recommender Techniques Employed in the Recommendation Engines

Gopinath Ganapathy — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.748.755

Problem statement: Recommender Systems (RS) have become a widely researched area as it is extensively used in web usage mining and E-commerce platforms. Approach: There were a number of recommender sy...

An Efficient Causal Protocol with Forward Error Correction for Mobile Distributed Systems

Eduardo Lopez Dominguez — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.756.768

Problem statement: Causal ordering is used in Mobile Distributed Systems (MDS) to reduce the non-determinism induced by four main aspects: host mobility, asynchronous execution, unpredictable communic...

A New High Order Algorithm with Low Computational Complexity for Electric Field Simulation

Mohammad Khatim Hasan — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.769.774

Problem statement: This research reported on new approach to improve speed of simulation time for free space electric wave propagation from an antenna. The existing method, Finite-Difference Time-Doma...

Summarizing Relational Data Using Semi-Supervised Genetic Algorithm-Based Clustering Techniques

Rayner Alfred — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.775.784

Problem statement: In solving a classification problem in relational data mining, traditional methods, for example, the C4.5 and its variants, usually require data transformations from datasets stored...

An Application of Session Based Clustering to Analyze Web Pages of User Interest from Web Log Files

C. P. Sumathi — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.785.793

Problem statement: With the continued growth and proliferation of e-commerce, Web services and Web-based information systems, the volumes of click-stream and user data collected by Web-based organizat...

Experiment of Tamper Detection and Recovery Watermarking in Picture Archiving and Communication Systems

Siau-Chuin Liew — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.794.799

Problem statement: Medical images such as x-rays, ultrasounds and Magnetic Resonance Imaging (MRI) plays an important role in helping the physicians to diagnose a disease or body conditions. These ima...

Towards An XML-Based Normalization for Healthcare Data Exchanges

I. El Azami — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.800.807

Problem statement: Most of healthcare data exchanges are textual, poorly structured and often not accessible by clinical professionals. Otherwise, the variety of medical applications and medical stand...

Dominant Factors in National Information Security Policies

Fahad T. Bin Muhaya — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.808.812

Problem statement: National information security policies are essential parts of the overall national security policies of nations. This study attempted to investigate the dominant factors that need t...

Approximation of Experimental Curve of Nonlinear Deformation of Duralumin

Moh’d Ishaq Abu Halawa — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.813.816

Problem statement: The experimental curves for physically nonlinear deformation of aluminum alloy D-16Т have been approximated in a temperature field. Approach: An analytical approximation variant of...

The Design and Implementation of a Novel Skew Scenario Model in Mobile Ad Hoc Networks

N. Vetrivelan — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.817.822

Problem statement: In this research, it had been presented a novel Skew Scenario Model that has been developed and implemented for mobile ad hoc networks. There exist several mobility patterns that tr...

Modeling Projects in E-Learning Course: A Case of an Information Technology Project

Mohammed Ghaouth Belkasmi — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.823.829

Problem statement: Achieving projects is primordial in the process of teaching in several disciplines, particularly software engineering courses. However, proposing this learning activity in a context...

Evaluation of Ad Hoc on Demand Distance Vector Routing Protocol in HetMAN Architecture

Zahian Ismail — 2010-07-31

Journal of Computer Science, Published online: 31 July 2010; doi:10.3844/jcssp.2010.830.836

Problem statement: Mobile Ad hoc Network (MANET), a type of network with special characteristics, needs a special mechanism to bear with its ad hoc behavior. Approach: The important issue in MANET is ...