Volume 4, Issue 3 (2008) | Journal of Computer Science

A New Distance Based Route Maintenance Strategy for Dynamic Source Routing Protocol

Muhammad F. Sjaugi — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.172.180

Although DSR can respond a route quickly, it yields a long delay when a route is rebuilt. This is because when source node receives RERR packet, it will try to find alternative routes from the route c...

Statistical Approach for Offline Handwritten Signature Verification

Debnath Bhattacharyya — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.181.185

Signatures were considered an important tool for authenticating the identity of human beings. So, signature verification was one of the biggest uses for that. We proposed an algorithmic approach for t...

Edge Detection in Gray Level Images based on the Shannon Entropy

Baljit Singh — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.186.191

Most of the classical mathematical methods for edge detection based on the derivative of the pixels of the original image are Gradient operators, Laplacian and Laplacian of Gaussian operators. Gradien...

Performance Analysis of Clustering Protocols in Mobile Ad hoc Networks

Sharmila J. Francis — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.192.204

Network clustering is an important technique widely used in efficient MANETs network management, hierarchical routing protocol design, network modeling, Quality of Service, etc. Recently many research...

Analysis of String Matching Compression Algorithms

Krishnaveny Nadarajan — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.205.210

The improvement rate in microprocessor speed by far exceeds the improvement in DRAM memory. This increasing processor-memory performance gap is the primary obstacle to improved computer system perform...

Resistance Factors in the Implementation of Software Process Improvement Project in Malaysia

Mohd Hairul Nizam Md. Nasir — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.211.219

For the past two decades, improving the quality of software has become an important agenda in the software industries as they have been assessed according to standards such as the CMM, CMM-I, ISO 9000...

Irregular Class of Multistage Interconnection Network in Parallel Processing

Sandeep Sharma — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.220.224

A major problem in designing a large-scale parallel and distributed system was the construction of an Interconnection Network (IN) to provide inter-processor communication. One of the biggest issues i...

A Multi-Agent Architecture for QoS Support in Grid Environment

Ali Rezaee — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.225.231

Grid computing is emerged as a new distributed computing technology that implements flexible and coordinated resource sharing among dynamic, heterogeneous, unpredictable and geographically distributed...

Enhanced Variable Splitting Ratio Algorithm for Effective Load Balancing in MPLS Networks

G. Murugesan — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.232.238

Fast load balancing is of the highest importance to utilize the resources effectively and improve the performance of the Multi Protocol Label Switching (MPLS) enabled Internet Protocol (IP) networks. ...

Performance Study of Power Control Radio Resource Management Over WLANs

Z. I. Dafalla — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.239.244

Wireless Local Area Networks (WLANs) based on IEEE 802.11 standard have been rapidly growing. With limitations of the WLAN standard and rapid increase in wireless application demand, the air interface...

An Approach for Detecting Attacks in Mobile Adhoc Networks

V. Madhu Viswanatham — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.245.251

The security of data becomes more important with the increased use of commercial applications over wireless network environments. We presented an approach to handle various attacks for wireless networ...

An Efficient Approach for Computing Silhouette Coefficients

Moh'd B. Al- Zoubi — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.252.255

One popular approach for finding the best number of clusters (K) in a data set is through computing the silhouette coefficients. The silhouette coefficients for different values of K, are first found ...

Design, Validation, Simulation and Parametric Evaluation of a Novel Protocol for Locating Mobile Agents in Multiregion Environment

Rama Sushil — 2008-03-31

Journal of Computer Science, Published online: 31 March 2008; doi:10.3844/jcssp.2008.256.271

Mobile agents are processes that can be dispatched from source computer and be transported to remote servers for execution, have been widely argued to be an important enabling technology for future sy...