Volume 2, Issue 9 (2006) | Journal of Computer Science

A New Type of Network Security Protocol Using Hybrid Encryption in Virtual Private Networking

E. Ramaraj — 2006-09-30

Journal of Computer Science, Published online: 30 September 2006; doi:10.3844/jcssp.2006.672.675

Today wireless communications is acting as a major role in networks. Through year-end 2006, the employee's ability to install unmanaged access points will result is more than 50% of enterprises exposi...

Adaptive Hybrid Mobile Agent Protocol for Wireless Multihop Internet Access

A. Velmurugan — 2006-09-30

Journal of Computer Science, Published online: 30 September 2006; doi:10.3844/jcssp.2006.676.682

Internet-based Mobile Ad Hoc Networking (MANET) is an emerging technology that supports self-organizing mobile networking infrastructures. This is expected to be of great use in commercial application...

An Integrated Approach to Digital Objects Storage and Retrieval

Khalil Shihab — 2006-09-30

Journal of Computer Science, Published online: 30 September 2006; doi:10.3844/jcssp.2006.683.689

Image retrieval systems are becoming increasingly important in areas of research and commercial use. The storage of digital objects in the traditional databases is considered inadequate because of the...

Ontology-based Knowledge Networks for users' training: The Enterprise Resource Planning (ERP) case

Macris Aristomenis — 2006-09-30

Journal of Computer Science, Published online: 30 September 2006; doi:10.3844/jcssp.2006.690.697

This paper presents a prototype model for the design and development of training material, where both the multimedia objects used in training scenarios and the knowledge built into them are captured a...

A Large Block Cipher Using Modular Arithmetic Inverse of a Key Matrix and Mixing of the Key Matrix and the Plaintext

V. U.K. Sastry — 2006-09-30

Journal of Computer Science, Published online: 30 September 2006; doi:10.3844/jcssp.2006.698.703

In this paper, we have developed a block cipher by applying an iterative method. In the process of encryption, we have used a key matrix (K) in which all the elements are binary bits. In the process o...

MFTPM: Maximum Frequent Traversal Pattern Mining with Bidirectional Constraints

Jiadong Ren — 2006-09-30

Journal of Computer Science, Published online: 30 September 2006; doi:10.3844/jcssp.2006.704.709

An important application of sequential mining technique is maximal frequent traversal pattern mining, since users' traversal pattern and motivation are latent in session sequence at some time segment....

A Backpropagation Neural Network for Computer Network Security

Khalil Shihab — 2006-09-30

Journal of Computer Science, Published online: 30 September 2006; doi:10.3844/jcssp.2006.710.715

In this paper, an efficient and scalable technique for computer network security is presented. On one hand, the decryption scheme and the public key creation used in this work are based on a multi-lay...

Tolerances Applied in Combinatorial Optimization

Boris Goldengorin — 2006-09-30

Journal of Computer Science, Published online: 30 September 2006; doi:10.3844/jcssp.2006.716.734

In this paper we deal with sensitivity analysis of combinatorial optimization problems and its fundamental term, the tolerance. For three classes of objective functions (∑, ∏, MAX) we give some ba...

Data Mining: A Preprocessing Engine

Luai A. Shalabi — 2006-09-30

Journal of Computer Science, Published online: 30 September 2006; doi:10.3844/jcssp.2006.735.739

This 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 thre...

A framework to Deal with Missing Data in Data Sets

Luai A. Shalabi — 2006-09-30

Journal of Computer Science, Published online: 30 September 2006; doi:10.3844/jcssp.2006.740.745

Most information systems usually have some missing values due to unavailable data. Missing values minimizing the quality of classification rules generated by a data mining system. Missing vales also a...

Design of an IP Library for the Synthesis of Image Compression Systems

Chokri Souani — 2006-09-30

Journal of Computer Science, Published online: 30 September 2006; doi:10.3844/jcssp.2006.746.753

To design a hardware system we may use generated Intellectual Property (IP) cores from a library with optimized parameters. The IP parameters are area minimization, memory use optimization and speed a...

Rotational Linear Discriminant Analysis Using Bayes Rule for Dimensionality Reduction

Alok Sharma — 2006-09-30

Journal of Computer Science, Published online: 30 September 2006; doi:10.3844/jcssp.2006.754.757

Linear discriminant analysis (LDA) finds an orientation that projects high dimensional feature vectors to reduced dimensional feature space in such a way that the overlapping between the classes in th...