IJACSA Vol. 3 Issue 2 (2012)

1

A Comprehensive Analysis of E-government services adoption in Saudi Arabia: Obstacles and Challenges

Author 1: Mohammed Alshehri Author 2: Steve Drew

Often referred as Government to Citizen (G2C) e-government services, many governments around the world are developing and utilizing ICT technologies to provide information and services to their citizens. In Saudi Arabia (KSA) e-government projects have been identified as one of the top government priority areas. However, the adoption of e-government… Read full abstract & cite →

Mohammed Alshehri Steve Drew Osama Alfarraj

Abstract doi.org/10.14569/IJACSA.2012.030201 PDF

2

A Flexible Approach to Modelling Adaptive Course Sequencing based on Graphs implemented using Xlink

Author 1: Rachid ELOUAHBI Author 2: Driss BOUZIDI Author 3: Noreddine ABGHOUR Author 4: Mohammed Adil NASSIR

A major challenge in developing systems of distance learning is the ability to adapt learning to individual users. This adaptation requires a flexible scheme for sequencing the material to teach diverse learners. This is where we intend to contribute to model the personalized learning paths to be followed by the… Read full abstract & cite →

e-learning pedagogical graph adaptability profile learning units XML XLINK XSL.

Abstract doi.org/10.14569/IJACSA.2012.030202 PDF

3

A Global Convergence Algorithm for the Supply Chain Network Equilibrium Model

Author 1: Lei Wang

In this paper, we first present an auxiliary problem method for solving the generalized variational inequalities problem on the supply chain network equilibrium model (GVIP), then its global convergence is also established under milder conditions. Read full abstract & cite →

Supply chain management network equilibrium model generalized variational inequalities algorithm globally convergent.

Abstract doi.org/10.14569/IJACSA.2012.030203 PDF

4

A New Approach of Trust Relationship Measurement Based on Graph Theory

Author 1: Ping He

The certainty trust relationship of network node behavior has been presented based on graph theory, and a measurement method of trusted-degree is proposed. Because of the uncertainty of trust relationship, this paper has put forward the random trusted-order and firstly introduces the construction of trust relations space (TRS) based on… Read full abstract & cite →

Trust relations trust relationship graph trusted-order random trust relationship.

Abstract doi.org/10.14569/IJACSA.2012.030204 PDF

5

An incremental learning algorithm considering texts' reliability

Author 1: Xinghua Fan Author 2: Shaozhu Wang

The sequence of texts selected obviously influences the accuracy of classification. Some sequences may make the performance of classification poor. For overcoming this problem, an incremental learning algorithm considering texts’ reliability, which finds reliable texts and selects them preferentially, is proposed in this paper. To find reliable texts, it uses… Read full abstract & cite →

text classification incremental learning reliability text distribution evaluation.

Abstract doi.org/10.14569/IJACSA.2012.030205 PDF

6

Applying Social Network Analysis to Analyze a Web-Based Community

Author 1: Mohammed Al-Taie Author 2: Seifedine Kadry

this paper deals with a very renowned website (that is Book-Crossing) from two angles: The first angle focuses on the direct relations between users and books. Many things can be inferred from this part of analysis such as who is more interested in book reading than others and why? Which… Read full abstract & cite →

Affiliation Networks Book-Crossing Centrality Measures Ego-Network M-Slice Analysis Pajek Social Network Analysis Social Networks.

Abstract doi.org/10.14569/IJACSA.2012.030206 PDF

7

Conception of a management tool of Technology Enhanced Learning Environments

Author 1: Sérgio André Ferreira Author 2: António Andrade

This paper describes the process of the conception of a software tool of TELE management. The proposed management tool combines information from two sources: i) the automatic reports produced by the Learning Content Management System (LCMS) Blackboard and ii) the views of students and teachers on the use of the… Read full abstract & cite →

Learning Content Management System Management Tool Technology Enhanced Learning Environments.

Abstract doi.org/10.14569/IJACSA.2012.030207 PDF

8

E-Learning Methodologies and Tools

Author 1: Oye N D Author 2: Mazleena Salleh Author 3: N. A. Iahad

E-learning is among the most important explosion propelled by the internet transformation. This allows users to fruitfully gather knowledge and education both by synchronous and asynchronous methodologies to effectively face the need to rapidly acquire up to date know-how within productive environments. This review paper discusses on e-learning methodologies and… Read full abstract & cite →

E-learning Synchronous Asynchronous Tools Methodology Knowledge management.

Abstract doi.org/10.14569/IJACSA.2012.030208 PDF

9

Fairness Enhancement Scheme for Multimedia Applications in IEEE 802.11e Wireless LANs

Author 1: Young-Woo Nam Author 2: Sunmyeng Kim Author 3: Si-Gwan Kim

Multimedia traffic should be transmitted to a receiver within the delay bound. The traffic is discarded when breaking its delay bound. Then, QoS (Quality of Service) of the traffic and network performance are lowered. The IEEE 802.11e standard defines a TXOP (Transmission Opportunity) parameter. The TXOP is the time interval… Read full abstract & cite →

fairness multimedia traffic EDCA QoS TXOP.

Abstract doi.org/10.14569/IJACSA.2012.030209 PDF

10

Hybrid Feature Extraction Technique for Face Recognition

Author 1: Sangeeta N Kakarwal Author 2: Ratnadeep R. Deshmukh

This paper presents novel technique for recognizing faces. The proposed method uses hybrid feature extraction techniques such as Chi square and entropy are combined together. Feed forward and self-organizing neural network are used for classification. We evaluate proposed method using FACE94 and ORL database and achieved better performance. Read full abstract & cite →

Biometric Chi square test Entropy FFNN SOM.

Abstract doi.org/10.14569/IJACSA.2012.030210 PDF

11

Improving Seek Time for Column Store Using MMH Algorithm

Author 1: Tejaswini Apte Author 2: Dr. Maya Ingle Author 3: Dr. A.K.Goyal

Hash based search has, proven excellence on large data warehouses stored in column store. Data distribution has significant impact on hash based search. To reduce impact of data distribution, we have proposed Memory Managed Hash (MMH) algorithm that uses shift XOR group for Queries and Transactions in column store. Our… Read full abstract & cite →

Load Selectivity Seek TPC-H Algorithms Hash.

Abstract doi.org/10.14569/IJACSA.2012.030211 PDF

12

A Discrete Event Barber Shop Simulation

Author 1: Masud Rana Author 2: Md. Jobayer Hossain Author 3: Ratan Kumar Ghosh Author 4: Md. Mostafizur Rahman

A simulation based project is designed which can be practically implemented in a workspace (in this case, a barber shop). The design algorithm provides the user different time varying features such as number of people arrival, number of people being served, number of people waiting at the queue etc depending… Read full abstract & cite →

Normal distribution Simulation.

Abstract doi.org/10.14569/IJACSA.2012.030212 PDF

13

Speaker Identification using Frequency Dsitribution in the Transform Domain

Author 1: H B Kekre Author 2: Vaishali Kulkarni

In this paper, we propose Speaker Identification using the frequency distribution of various transforms like DFT (Discrete Fourier Transform), DCT (Discrete Cosine Transform), DST (Discrete Sine Transform), Hartley, Walsh, Haar and Kekre transforms. The speech signal spoken by a particular speaker is converted into frequency domain by applying the different… Read full abstract & cite →

Speaker Identification DFT DCT DST Hartley Haar Walsh Kekre’s Transform.

Abstract doi.org/10.14569/IJACSA.2012.030213 PDF

14

New design of Robotics Remote lab

Author 1: Mohammad R Kadhum Author 2: Seifedine Kadry

The Robotic Remote Laboratory (RRL) controls the Robot labs via the Internet and applies the Robot experiment in easy and advanced way. If we want to enhance the RRL system, we must study requirements of the Robot experiment deeply. One of key requirements of the Robot experiment is the Control… Read full abstract & cite →

Robotic Remote Laboratory Robot experiment Light obstacle Control algorithm NXT 2.0Robot Robot lab Path planning algorithm.

Abstract doi.org/10.14569/IJACSA.2012.030214 PDF

15

Performance Evaluation of Adaptive Virtual Machine Load Balancing Algorithm

Author 1: Meenakshi Sharma Author 2: Pankaj Sharma

The conception of Cloud computing has not only reshaped the field of distributed systems but also extend businesses potential. Load balancing is a core and challenging issue in Cloud Computing. How to use Cloud computing resources efficiently and gain the maximum profits with efficient load balancing algorithm is one of… Read full abstract & cite →

Virtual machine load balancing cloudsim.

Abstract doi.org/10.14569/IJACSA.2012.030215 PDF

16

Polylogarithmic Gap between Meshes with Reconfigurable Row/Column Buses and Meshes with Statically Partitioned Buses

Author 1: Susumu Matsumae

This paper studies the difference in computational power between the mesh-connected parallel computers equipped with dynamically reconfigurable bus systems and those with static ones. The mesh with separable buses (MSB) is the mesh-connected parallel computer with dynamically reconfigurable row/column buses. The broadcast buses of the MSB can be dynamically sectioned… Read full abstract & cite →

mesh-connected parallel computer dynamically reconfigurable bus statically partitioned bus simulation algorithm.

Abstract doi.org/10.14569/IJACSA.2012.030216 PDF

17

Post-Editing Error Correction Algorithm For Speech Recognition using Bing Spelling Suggestion

Author 1: Youssef Bassil Author 2: Mohammad Alwani

ASR short for Automatic Speech Recognition is the process of converting a spoken speech into text that can be manipulated by a computer. Although ASR has several applications, it is still erroneous and imprecise especially if used in a harsh surrounding wherein the input speech is of low quality. This… Read full abstract & cite →

Speech Recognition Error Correction Bing Spelling Suggestion.

Abstract doi.org/10.14569/IJACSA.2012.030217 PDF

18

Segmentation of the Breast Region in Digital Mammograms and Detection of Masses

Author 1: Armen Sahakyan Author 2: Hakop Sarukhanyan

The mammography is the most effective procedure for an early diagnosis of the breast cancer. Finding an accurate and efficient breast region segmentation technique still remains a challenging problem in digital mammography. In this paper we explore an automated technique for mammogram segmentation. The proposed algorithm uses morphological preprocessing algorithm… Read full abstract & cite →

mammography image segmentation ROI masses detection breast region

Abstract doi.org/10.14569/IJACSA.2012.030218 PDF

19

wavelet de-noising technique applied to the PLL of a GPS receiver embedded in an observation satellite

Author 1: Dib Djamel Eddine Author 2: Djebbouri Mohamed Author 3: Taleb Ahmed Abddelmalik

In this paper, we study the Doppler effect on a GPS(Global Positioning System) on board of an observation satellite that receives information on a carrier wave L1 frequency 1575.42 MHz .We simulated GPS signal acquisition. This allowed us to see the behavior of this type of receiver in AWGN channel… Read full abstract & cite →

GPS Doppler frequency PLL wavelet packet de-noising

Abstract doi.org/10.14569/IJACSA.2012.030219 PDF

20

An Improved Squaring Circuit for Binary Numbers

Author 1: Kabiraj Sethi Author 2: Rutuparna Panda

In this paper, a high speed squaring circuit for binary numbers is proposed. High speed Vedic multiplier is used for design of the proposed squaring circuit. The key to our success is that only one Vedic multiplier is used instead of four multipliers reported in the literature. In addition, one… Read full abstract & cite →

Vedic mathematics VLSI binary multiplication hardware design VHDL.

Abstract doi.org/10.14569/IJACSA.2012.030220 PDF

21

Forks impacts and motivations in free and open source projects

Author 1: R Viseur

Forking is a mechanism of splitting in a community and is typically found in the free and open source software field. As a failure of cooperation in a context of open innovation, forking is a practical and informative subject of study. In-depth researches concerning the fork phenomenon are uncommon. We… Read full abstract & cite →

open source free software community co-creation fork.

Abstract doi.org/10.14569/IJACSA.2012.030221 PDF

22

Energy-Efficient Dynamic Query Routing Tree Algorithm for Wireless Sensor Networks

Author 1: Si Gwan Kim Author 2: Hyong Soon Park

To exploit in answering queries generated by the sink for the sensor networks, we propose an efficient routing protocol called energy-efficient dynamic routing tree (EDRT) algorithm. The idea of EDRT is to maximize in-network processing opportunities using the parent nodes and sibling nodes. In-network processing reduces the number of message… Read full abstract & cite →

sensor networks routing trees query processing.

Abstract doi.org/10.14569/IJACSA.2012.030222 PDF

23

Design of a web-based courseware authoring and presentation system

Author 1: Hyacinth C Inyiama Author 2: Miss Chioma N. Anozie Author 3: Dr. Mrs. Christiana C. Okezie Author 4: Mrs. Nkolika O. Nwazor

A Web-based Courseware Authoring and Presentation System is a user-friendly and interactive e-learning software that can be used by both computer experts and non-computer experts to prepare a courseware in any subject of interest and to present lectures to the target audience in full media. The resultant courseware is accessed… Read full abstract & cite →

Web Courseware Authoring Presentation E-Learning Multimedia.

Abstract doi.org/10.14569/IJACSA.2012.030223 PDF

24

The Role of ICT in Education: Focus on University Undergraduates taking Mathematics as a Course

Author 1: Oye N D Author 2: Z.K. Shallsuku Author 3: A.Iahad, N.

This paper examines the role of ICT in education with focus on university undergraduates taking mathematics as a course. The study was conducted at the Federal University of Technology Yola, Adamawa State, Nigeria. 150 questionnaires were administered to the first year students offering MA112 which was completed and returned in… Read full abstract & cite →

University undergraduates ICT Education ICT tools ICT infrastructure.

Abstract doi.org/10.14569/IJACSA.2012.030224 PDF

25

Using Data Mining Techniques to Build a Classification Model for Predicting Employees Performance

Author 1: Qasem A Al-Radaideh Author 2: Eman Al Nagi

Human capital is of a high concern for companies’ management where their most interest is in hiring the highly qualified personnel which are expected to perform highly as well. Recently, there has been a growing interest in the data mining area, where the objective is the discovery of knowledge that… Read full abstract & cite →

Data Mining Classification Decision Tree Job Performance.

Abstract doi.org/10.14569/IJACSA.2012.030225 PDF

26

Web 2.0 Technologies and Social Networking Security Fears in Enterprises

Author 1: Fernando Almeida

Web 2.0 systems have drawn the attention of corporation, many of which now seek to adopt Web 2.0 technologies and transfer its benefits to their organizations. However, with the number of different social networking platforms appearing, privacy and security continuously has to be taken into account and looked at from… Read full abstract & cite →

Web 2.0 security social networking management risks.

Abstract doi.org/10.14569/IJACSA.2012.030226 PDF

27

A Knowledge-Based Educational Module for Object-Oriented Programming & The Efficacy of Web Based e-Learning

Author 1: Ahmad S Mashhour

The purpose of this research was to explore the effectiveness of using computer-aided learning methods in teaching compared to traditional instructions. Moreover, the research proposed an intelligent-based educational module for teaching object oriented languages. The results provide teachers positive outcomes of using computers technology in teaching. Sample of more than… Read full abstract & cite →

Computer-Aided Learning (CAL) Educational module e-Learning Knowledge-Base Object-Oriented Programming (OOP) Student performance Traditional Learning.

Abstract doi.org/10.14569/IJACSA.2012.030227 PDF

28

Clustering as a Data Mining Technique in Health Hazards of High levels of Fluoride in Potable Water

Author 1: T Balasubramanian Author 2: R.Umarani

This article explores data mining techniques in health care. In particular, it discusses data mining and its application in areas where people are affected severely by using the under- ground drinking water which consist of high levels of fluoride in Krishnagiri District, Tamil Nadu State, India. This paper identifies the… Read full abstract & cite →

Data mining Fluoride affected people Clustering K-means Skeletal.

Abstract doi.org/10.14569/IJACSA.2012.030228 PDF

29

GSM-Based Wireless Database Access For Food And Drug Administration And Control

Author 1: Hyacinth C Inyiama Author 2: Mrs Lois Nwobodo Author 3: Dr. Mrs. Christiana C. Okezie Author 4: Mrs. Nkolika O. Nwazor

GSM (Global system for mobile communication) based wireless database access for food and drug administration and control is a system that enables one to send a query to the database using the short messaging system (SMS) for information about a particular food or drug. It works in such a way… Read full abstract & cite →

Web GSM SMS AT commands Database NAFDAC.

Abstract doi.org/10.14569/IJACSA.2012.030229 PDF

30

Novel Techniques for Fair Rate Control in Wireless Mesh Networks

Author 1: Mohiuddin Ahmed Author 2: K.M.Arifur Rahman

IEEE 802.11 based wireless mesh networks can exhibit severe fairness problem by distributing throughput among different flows originated from different nodes. Congestion control, Throughput, Fairness are the important factors to be considered in any wireless network. Flows originating from nodes that directly communicate with the gateway get higher throughput. On… Read full abstract & cite →

Wireless mesh network Network Throughput Congestion Control Fairness Airtime Allocation Neighbourhood Phenomenon Gateway.

Abstract doi.org/10.14569/IJACSA.2012.030230 PDF