Volume 4, Issue 4 (2008) | Journal of Computer Science

Operating System Support for Wireless Sensor Networks

Ant A. Fröhlich — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.272.281

In a wireless sensor network, several sensor nodes obtain local data and communicate among themselves in order to create a global vision of an object of study. The idea of a self-managed network of lo...

Simplified Block Matching Algorithm for Fast Motion Estimation in Video Compression

M. Ezhilarasan — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.282.289

Block matching motion estimation was one of the most important modules in the design of any video encoder. It consumed more than 85% of video encoding time due to searching of a candidate block in the...

Towards Persistence Framework-Based Rapid Application Development Toolkit for Web Application Development

Choon H. Choo — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.290.297

Software systems must be delivered quickly in order to respond to today's rapid changing business environments. Persistence framework was introduced to overcome the problem of object-relational impeda...

Out of Focus Blur Estimation Using Genetic Algorithm

Mohsen E. Moghaddam — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.298.304

In this study, we have presented a method to estimate out of focus blur that works in noisy images precisely. The presented method has been designed based on two rough estimates of blur function param...

Performance Analysis of a 32-Bit Multiplier with a Carry-Look-Ahead Adder and a 32-bit Multiplier with a Ripple Adder using VHDL

Hasan Krad — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.305.308

This study presents a performance analysis of two different multipliers for unsigned data, one uses a carry-look-ahead adder and the second one uses a ripple adder. The study's main focus is on the sp...

A Methods of Neutrosophic Logia to Answer Queries in Relational Database

Smita Rajpal — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.309.314

In this study the authors propose a new method of intelligent search called Neutrosophic-search to find the most suitable match for the predicates to answer any imprecise query made by the database us...

Effect of Information and Communication Technologies (ICT) on Non-Industrial Countries-Digital Divide Model

Mahmoud Z. Iskandarani — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.315.319

The influence of information and communication technology on the collective activities and interests of a broad range of people was discussed and analyzed. The important consequence of ICT called digi...

An Effective Data Transformation Approach for Privacy Preserving Clustering

R. R. Rajalaxmi — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.320.326

A new stream of research privacy preserving data mining emerged due to the recent advances in data mining, Internet and security technologies. Data sharing among organizations considered to be useful ...

Magnetic and Thermal Analysis of Current Transformer in Normal and Abnormal Conditions

M. B.B. Sharifian — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.327.332

Calculation of Current Transformers (CTs) magnetic and thermal properties are very complex due to the complexity of their construction, different properties of their materials and non-linearity of cor...

CSCW for Preparing Formal Software Specifications: Issues and Implementation

Mohamed A. Sullabi — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.333.340

In this study, we concern with how a group of rectifiers can be worked on preparing and producing correct formal software specification and how can they communicate with each other. To address these s...

A Mobile Robot Path Planning Using Genetic Algorithm in Static Environment

Ismail AL-Taharwa — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.341.344

In this study we present our initial idea for using genetic algorithms to help a controllable mobile robot to find an optimal path between a starting and ending point in a grid environment. The mobile...

A Method of Deductive Logical Inference Proofs

Maher A. Nabulsi — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.345.348

A method of proof is presented and used in proving theorems in logic and set theory. Many commonly used methods of proof are rigid and not easy to apply in proving different theorems. This study deduc...

Generalized Shortest Path Problem in Uncertain Environment Based on PSO

Hayder A. Mukhef — 2008-04-30

Journal of Computer Science, Published online: 30 April 2008; doi:10.3844/jcssp.2008.349.352

Generalized network problems describe situations in which flow can be generated or consumed through arcs. This research considers generalized shortest path problem in stochastic environment in which t...