IJACSA Vol. 3 Issue 12 (2012)

1

A new approach towards the self-adaptability of Service-Oriented Architectures to the context based on workflow

Author 1: Faîçal Felhi Author 2: Jalel Akaichi

Distributed information systems are needed to be autonomous, heterogeneous and adaptable to the context. This is the reason why they resort Web services based on SOA Based on the advanced technology of SOA. These technologies can evolve in a dynamic environment in a well-defined context and according to events automatically… Read full abstract & cite →

SOA Webservices self-adaptability ubiquitous system workflow.

Abstract doi.org/10.14569/IJACSA.2012.031201 PDF

2

Monte Carlo Ray Tracing Based Sensitivity Analysis of the Atmospheric and the Ocean Parameters on Top of the Atmosphere Radiance

Author 1: Kohei Arai

Monte Carlo Ray Tracing: MCRT based sensitivity analysis of the geophysical parameters (the atmosphere and the ocean) on Top of the Atmosphere: TOA radiance in visible to near infrared wavelength regions is conducted. As the results, it is confirmed that the influence due to the atmosphere is greater than that… Read full abstract & cite →

Monte Carlo Ray Tracing radiative transfer scattering and absorption geophysical parameters (the atmosphere and the ocean).

Abstract doi.org/10.14569/IJACSA.2012.031202 PDF

3

Statistical Analysis of the Demographic Ageing Process in the EU Member States, Former Communist Countries

Author 1: Dorel Savulea Author 2: Nicolae Constantinescu

The aim of this paper is to make an analysis and a comparative study of the demographic ageing process in the former communist countries which are currently EU member states. Taking into account the complexity of the phenomenon, the study approaches only a part of the indices involved in this… Read full abstract & cite →

component statistical analysis demographic analyse statistical correlation.

Abstract doi.org/10.14569/IJACSA.2012.031203 PDF

4

Pattern Recognition-Based Environment Identification for Robust Wireless Devices Positioning

Author 1: Nesreen I. Ziedan

There has been a continuous increase in the demands for Global Navigation Satellite System (GNSS) receivers in a wide range of applications. More and more wireless and mobile devices are equipped with built-in GNSS receivers; their users’ mobility behavior can result in challenging signal conditions that have detrimental effects on… Read full abstract & cite →

component GPS GNSS machine learning pattern recognition PCA PNN multipath.

Abstract doi.org/10.14569/IJACSA.2012.031204 PDF

5

Low cost approach to real-time vehicle to vehicle communication using parallel CPU and GPU processing

Author 1: GOH CHIA CHIEH Author 2: DINO ISA

This paper proposes a novel Vehicle to Vehicle (V2V) communication system for collision avoidance which merges four different wireless devices (GPS, Wi-Fi, ZigBee® and 3G) with a low power embedded Single Board Computer (SBC) in order to increase processing speed while maintaining a low cost. The three major technical challenges… Read full abstract & cite →

component CUDA Parallel processing Vehicle to Vehicle Communication WLAN ZigBee.

Abstract doi.org/10.14569/IJACSA.2012.031205 PDF

6

Simple Method for Ontology Automatic Extraction from Documents

Author 1: Andreia Dal Ponte Novelli Author 2: José Maria Parente de Oliveira

There are many situations where it is needed to represent and analyze the concepts that describe a document or a collection of documents. One of such situations is the information retrieval, which is becoming more complex by the growing number and variety of document types. One way to represent the… Read full abstract & cite →

document ontology ontology creation ontology extraction concept representation.

Abstract doi.org/10.14569/IJACSA.2012.031206 PDF

7

Facebook as a tool to Enhance Team Based Learning

Author 1: Sami M. Alhomod Author 2: Mohd Mudasir Shafi

A growing number of educators are using social networking sites (SNS) to communicate with their students. Facebook is one such example which is widely used by students and educators. Facebook has been recently used by many educational institutions but most of these have been related to provide the information to… Read full abstract & cite →

Social Networking Facebook Team Based Learning Communication.

Abstract doi.org/10.14569/IJACSA.2012.031207 PDF

8

Comparison between MPPT P&O and MPPT Fuzzy Controls in Optimizing the Photovoltaic Generator

Author 1: Messaouda AZZOUZI

This paper presents a comparative study between two control methods in order to optimize the efficiency of the solar generator. The simulation had been established by using Matlab/Simulink software to apply the MPPT P&O and MPPT Fuzzy controls on this system which is supplied through a Boost converter.Many results have… Read full abstract & cite →

solar energy photovoltaic PV MPPT P&O Boost converter fuzzy optimization.

Abstract doi.org/10.14569/IJACSA.2012.031208 PDF

9

Learning from Expressive Modeling Task

Author 1: Tolga KABACA

This study aimed to present an authentic way of showing how computer assisted mathematical modeling of a real world situation helped to understand mystery of that situation. To achieve this aim, a group of pre-service mathematics teachers has been asked to think on how the trip computer of cars calculates… Read full abstract & cite →

Computer Assisted Modeling Electronic Spreadsheet Mathematical Model.

Abstract doi.org/10.14569/IJACSA.2012.031209 PDF

10

Design & Analysis of Optical Lenses by using 2D Photonic Crystals for Sub-wavelength Focusing

Author 1: Rajib Ahmed Author 2: Mahidul Haque Prodhan Author 3: Rifat Ahmmed

2D Photonic lenses (Convex-Convex, Convex-Plane, Plane-Convex, Concave-Concave, Concave-plane, and Plane-Concave) have been designed, simulated and optimized for optical communication using FDTD method. The effect of Crystal structures (Rectangular, Hexagonal, Face centered Cubic (FCC), Body centered Cubic (BCC), variation lattice constant (?), hole radius(r), reflective index (n), is demonstrated to get… Read full abstract & cite →

Photonic crystals photonic lens body centered cubic face centered cubic.

Abstract doi.org/10.14569/IJACSA.2012.031210 PDF

11

Secure Optical Internet: A Novel Attack Prevention Mechanism for an OBS node in TCP/OBS Networks

Author 1: K. Muthuraj Author 2: N. Sreenath

Optical Internet has become a strong development and its commercial use is growing rapidly. Due to transparency and virtual sharing infrastructure, they provide ultra-fast data rates with the help of optical burst switching technology, which transmits data in the form of bursts. From the security perspective, one of the OBS… Read full abstract & cite →

optical internet security burst hijacking attack threats and vulnerabilities in TCP/OBS networks.

Abstract doi.org/10.14569/IJACSA.2012.031211 PDF

12

Qos Routing Scheme and Route Repair in WSN

Author 1: M Belghachi Author 2: M. Feham

During the last decade, a new type of wireless network has evoked great interest among the scientific community; it is the wireless sensor networks (WSN). The WSN are used in various social activities, such as industrial processes, military surveillance applications, observation and monitoring of habitat, etc... This diversity of applications… Read full abstract & cite →

WSNs Quality of service ACO availability global re-routing local re-routing.

Abstract doi.org/10.14569/IJACSA.2012.031212 PDF

13

A Novel Feistel Cipher Involving a Bunch of Keys supplemented with Modular Arithmetic Addition

Author 1: Dr V.U.K Sastry Author 2: Mr. K. Anup Kumar

In the present investigation, we developed a novel Feistel cipher by dividing the plaintext into a pair of matrices. In the process of encryption, we have used a bunch of keys and modular arithmetic addition. The avalanche effect shows that the cipher is a strong one. The cryptanalysis carried out… Read full abstract & cite →

encryption decryption cryptanalysis avalanche effect modular arithmetic addition.

Abstract doi.org/10.14569/IJACSA.2012.031213 PDF

14

A Novel Feistel Cipher Involving a Bunch of Keys Supplemented with XOR Operation

Author 1: V U.K Sastry Author 2: K. Anup Kumar

In this investigation, we have developed a novel block cipher by modifying classical Feistel cipher. In this, we have used a key bunched wherein each key has a multiplicative inverse. The cryptanalysis carried out in this investigation clearly shows that this cipher cannot be broken by any attack. Read full abstract & cite →

encryption decryption cryptanalysis avalanche effect multiplicative inverse.

Abstract doi.org/10.14569/IJACSA.2012.031214 PDF

15

Computing the Exit Complexity of Knowledge in Distributed Quantum Computers

Author 1: M A Abbas

Distributed Quantum computers abide from the exit complexity of the knowledge. The exit complexity is the accrue of the nodal information needed to clarify the total egress system with deference to a distinguished exit node. The core objective of this paper is to compile an arrogant methodology for assessing the… Read full abstract & cite →

Complexity Quantum Computers Knowledge acquisition Graph theory Egress Distributed systems.

Abstract doi.org/10.14569/IJACSA.2012.031215 PDF

16

Study of Proper Hierarchical Graphs on a Grid

Author 1: Mohamed A. El Sayed Author 2: Ahmed A. A. Radwan Author 3: Nahla F. Omran

Hierarchical planar graph embedding (sometimes called level planar graphs) is widely recognized as a very important task in diverse fields of research and development. Given a proper hierarchical planar graph, we want to find a geometric position of every vertex (layout) in a straight-line grid drawing without any edge-intersection. An… Read full abstract & cite →

level graphs hierarchical graphs algorithms graph drawing.

Abstract doi.org/10.14569/IJACSA.2012.031216 PDF

17

A Block Cipher Involving a Key Bunch Matrix and an Additional Key Matrix, Supplemented with Modular Arithmetic Addition and supported by Key-based Substitution

Author 1: Dr V.U.K Sastry Author 2: K. Shirisha

In this paper, we have devoted our attention to the development of a block cipher, which involves a key bunch matrix, an additional matrix, and a key matrix utilized in the development of a pair of functions called Permute() and Substitute(). These two functions are used for the creation of… Read full abstract & cite →

key bunch matrix additional key matrix multiplicative inverse encryption decryption permute substitute.

Abstract doi.org/10.14569/IJACSA.2012.031217 PDF

18

A Novel Block Cipher Involving a Key bunch Matrix and a Key-based Permutation and Substitution

Author 1: Dr V.U.K Sastry Author 2: K. Shirisha

In this paper, we have developed a novel block cipher involving a key bunch matrix supported by a key-based permutation and a key-based substitution. In this analysis, the decryption key bunch matrix is obtained by using the given encryption key bunch matrix and the concept of multiplicative inverse. From the… Read full abstract & cite →

Key bunch matrix encryption decryption permutation substitution avalanche effect cryptanalysis.

Abstract doi.org/10.14569/IJACSA.2012.031218 PDF

19

Data Compression for Video-Conferencing using Half tone and Wavelet Transform

Author 1: Dr H.B Kekre Author 2: Sanjay R. Sange Author 3: Dr. Tanuja K. Sarode

Overhead of data transmission over internet is increasing exponentially every day. Optimization of natural bandwidth is the basic motive by compressing image data to the maximum extend. For the same objective, combination of lossy half tone and lossless Wavelet Transform techniques is proposed so as to obtain low-bit rate video… Read full abstract & cite →

Half tone Low-Bit rate video data compression Wavelet Tranform Bandwidth optimization Structural Similarity Index Measure (SSIM).

Abstract doi.org/10.14569/IJACSA.2012.031219 PDF

20

Finding Association Rules through Efficient Knowledge Management Technique

Author 1: Anwar M. A.

One of the recent research topics in databases is Data Mining, to find, extract and mine the useful information from databases. In case of updating transactions in the database the already discovered knowledge may become invalid. So we need efficient knowledge management techniques for finding the updated knowledge from the… Read full abstract & cite →

Data Mining Co-occurrences Incremental association rules Dynamic Databases.

Abstract doi.org/10.14569/IJACSA.2012.031220 PDF

21

Cloud Computing for Solving E-Learning Problems

Author 1: N S. Abu El Ala Author 2: W. A. Awad Author 3: H. M. El-Bakry

The integration of information and communication technologies in education according to the global trend occupied a great interest in the Arab world through E-Learning techniques and put it into the form of services within Services Oriented Architecture Technique (SOA), and mixing its input and outputs within the components of the… Read full abstract & cite →

Abstract doi.org/10.14569/IJACSA.2012.031221 PDF

22

Optimizing the Performance Evaluation of Robotic Arms with the Aid of Particle Swarm Optimization

Author 1: K Shivaprakash Reddy Author 2: Dr.P V K Perumal Author 3: Dr.B. Durgaprasad Author 4: Dr.M.A Murtaza

In this modern world, robotic evaluation plays a most important role. In secure distance, this leads the humans to execute insecure task. To acquire an effective result, the system which makes the human task easier should be taken care of and the holdup behind the system should be eradicated. Only… Read full abstract & cite →

Particle Swarm Optimization Robotic arm gear box Static& Dynamic parameters.

Abstract doi.org/10.14569/IJACSA.2012.031222 PDF

23

Method for Water Vapor Profile Retievals by Means of Minimizing Difference Between Estimated and Actual Brightness Temperatures Derived from AIRS data and Radiative Transfer Model

Author 1: Kohei Arai

Method for water vapor profile retrievals by means of minimizing difference between estimated and actual brightness temperatures derived from AIRS data and radiative transfer model is proposed. Initial value is determined by linearized radiative transfer equation. It is found that this initial value determination method makes improvement of estimation accuracy… Read full abstract & cite →

infrared sounder non-linear optimization method linearized inversion.

Abstract doi.org/10.14569/IJACSA.2012.031223 PDF

24

Peer Assignment Review Process for Collaborative E-learning: Is the Student Learning Process Changing?

Author 1: Evelyn Kigozi Kahiigi Author 2: Mikko Vesisenaho Author 3: F.F Tusubira Author 4: Henrik Hansson Author 5: Mats Danielson

In recent years collaborative e-learning has been emphasized as a learning method that has facilitated knowledge construction and supported student learning. However some universities especially in developing country contexts are struggling to attain minimal educational benefits from its adoption and use. This paper investigates the application of a peer assignment… Read full abstract & cite →

Peer Review Collaborative E-learning Learning Process Students University Uganda Developing Country.

Abstract doi.org/10.14569/IJACSA.2012.031224 PDF

25

Agent Oriented Software Testing – Role Oriented approach

Author 1: N Sivakumar Author 2: K.Vivekanandan

Several Agent Oriented Software Engineering (AOSE) methodologies were proposed to build open, heterogeneous and complex internet based systems. AOSE methodologies offer different conceptual frameworks, notations and techniques, thereby provide a platform to make the system abstract, generalize, dynamic and autonomous. Lifecycle coverage is one of the important criteria for evaluating… Read full abstract & cite →

Agent oriented software enginerring Multi-Agent System Role oriented testing.

Abstract doi.org/10.14569/IJACSA.2012.031225 PDF

26

An Advanced Certain Trust Model Using Fuzzy Logic and Probabilistic Logic theory

Author 1: Kawser Wazed Nafi Author 2: Tonny Shekha Kar Author 3: Md. Amjad Hossain Author 4: M.M.A Hashem

Trustworthiness especially for service oriented system is very important topic now a day in IT field of the whole world. Certain Trust Model depends on some certain values given by experts and developers. Here, main parameters for calculating trust are certainty and average rating. In this paper we have proposed… Read full abstract & cite →

Certain trust Certain Logic Fuzzy Logic Probabilistic Logic FAM rule Fuzzification Defuzzification Inference Rules.

Abstract doi.org/10.14569/IJACSA.2012.031226 PDF

27

Scalable and Flexible heterogeneous multi-core system

Author 1: Rashmi A Jain Author 2: Dr. Dinesh V. Padole

Multi-core system has wide utility in today’s applications due to less power consumption and high performance. Many researchers are aiming at improving the performance of these systems by providing flexible multi-core architecture. Flexibility in the multi-core processors system provides high throughput for uniform parallel applications as well as high performance… Read full abstract & cite →

Flexible Heterogeneous Multi Core system (FMC) instruction level parallelism thread-level parallelism and memory-level parallelism scalable chip multiprocessors (CMP).

Abstract doi.org/10.14569/IJACSA.2012.031227 PDF

28

Genetic Algorithm Based Approach for Obtaining Alignment of Multiple Sequences

Author 1: Ruchi Gupta Author 2: Dr. Pankaj Agarwal Author 3: Dr. A. K. Soni

This paper presents genetic algorithm based solution for determing alignment of multiple molecular sequences. Two datasets from DNA families Canis_familiaris and galaxy dataset have been considered for experimental work & analysis. Genetic operators like cross over rate, mutation rate can be defined by the user. Experiments & observations were recorded… Read full abstract & cite →

DNA Sequences alignment Genetic Algorithm Crossover Mutation Selection Multiple Sequence Alignment etc.

Abstract doi.org/10.14569/IJACSA.2012.031228 PDF

29

Passing VBR in Mobile Ad Hoc Networks – for effective live video Streaming

Author 1: V. Saravanan Author 2: Dr.C.Chandrasekar

Mobile ad hoc networks (often referred to as MANETs) consist of wireless hosts that communicate with each other in the absence of a fixed infrastructure. This technique can be used effectively in disaster management, intellectual conference and also in the battlefield environments. It has the significant attention in the recent… Read full abstract & cite →

Variable Bit Rate Mobile Ad Hoc Machine Learning.

Abstract doi.org/10.14569/IJACSA.2012.031229 PDF

30

Financial Statement Fraud Detection using Text Mining

Author 1: Rajan Gupta Author 2: Nasib Singh Gill

Data mining techniques have been used enormously by the researchers’ community in detecting financial statement fraud. Most of the research in this direction has used the numbers (quantitative information) i.e. financial ratios present in the financial statements for detecting fraud. There is very little or no research on the analysis… Read full abstract & cite →

Text Mining Bag of words Support Vector Machines.

Abstract doi.org/10.14569/IJACSA.2012.031230 PDF

31

Error Analysis on Estimation Method for Air-Temperature, Atmopspheric Pressure, and Realtive Humidity Using Absorption Due to CO2, O2, and H2O Which situated at Around Near Infrared Wavelength Region

Author 1: Kohei Arai

A method for air-temperature, atmospheric pressure and relative humidity using absorptions due to CO2, O2 and H2O which situated at around near infrared wavelength region is proposed and is evaluated its validity. Simulation study results with MODTRAN show a validity of the proposed method. Read full abstract & cite →

absorption band regressive analysis air-temperature atmospheric pressure and relative humidity estimations.

Abstract doi.org/10.14569/IJACSA.2012.031231 PDF

32

Productisation of Service: A Case Study

Author 1: Nilanjan Chattopadhyay

This paper discusses the issue of Productisation of service, i.e. development of systemic, scalable and replicable service offerings, as implemented by a multinational Consulting organization, engaged in the business of outsourcing and consulting solutions, from their office in India. The literature is quite rich with discussions and debates related to… Read full abstract & cite →

Services management productisation service product data sanitisation data security productised service.

Abstract doi.org/10.14569/IJACSA.2012.031232 PDF

33

Subpixel Accuracy Analysis of Phase Correlation Shift Measurement Methods Applied to Satellite Imagery

Author 1: S. A. Mohamed Author 2: A.K. Helmi Author 3: M.A. Fkirin Author 4: S.M. Badwai

The key point of super resolution process is the accurate measuring of sub-pixel shift. Any tiny error in measuring such shift leads to an incorrect image focusing. In this paper, methodology of measuring sub-pixel shift using Phase correlation (PC) are evaluated using different window functions, then modified version of (PC)… Read full abstract & cite →

phase correlation (PC) high pass filter (HPF) window function sub-pixel shift.

Abstract doi.org/10.14569/IJACSA.2012.031233 PDF

34

Performance Comparison of Gender and Age Group Recognition for Human-Robot Interaction

Author 1: Myung Won Lee Author 2: Keun-Chang Kwak

In this paper, we focus on performance comparison of gender and age group recognition to perform robot’s application services for Human-Robot Interaction (HRI). HRI is a core technology that can naturally interact between human and robot. Among various HRI components, we concentrate audio-based techniques such as gender and age group… Read full abstract & cite →

gender recognition age group recognition human-robot interaction.

Abstract doi.org/10.14569/IJACSA.2012.031234 PDF

35

Spatial Cloud Detection and Retrieval System for Satellite Images

Author 1: Noureldin Laban Author 2: Ayman Nasr Author 3: Motaz ElSaban Author 4: Hoda Onsi

In last the decade we witnessed a large increase in data generated by earth observing satellites. Hence, intelligent processing of the huge amount of data received by hundreds of earth receiving stations, with specific satellite image oriented approaches, presents itself as a pressing need. One of the most important steps… Read full abstract & cite →

Satellite images Content based image retrieval Query by polygon Retrieval re?nement cloud detection geographic information system.

Abstract doi.org/10.14569/IJACSA.2012.031235 PDF

36

Equalization: Analysis of MIMO Systems in Frequency Selective Channel

Author 1: Amit Grover

Due to the increased demand of wireless communication systems because of the features of the system which provides a wide coverage, high throughput and reliable services, the MIMO systems communication has come into existence. Features provided by these systems ensure the improved system coverage and increased data transmission rate by… Read full abstract & cite →

Quadrature Amplitude Modulation (QAM) Quadrature Phase Shift Key (QPSK) Binary Phase Shift Key (BPSK) Minimum mean-squared error (MMSE) Maximum likelihood (ML) Bit error rate (BER) Inter-symbol interference (ISI) Successive-interference-cancellatio

Abstract doi.org/10.14569/IJACSA.2012.031236 PDF

37

Test Case PrioritizationUsing Fuzzy Logic for GUI based Software

Author 1: Neha Chaudhary Author 2: Om Prakash Sangwan Author 3: Yogesh Singh

Testing of GUI (Graphical User Interface) applications has many challenges due to its event driven nature and infinite input domain. It is very difficult for any programmer to test for each and every possible input. When test cases are generated using automated testing tool it uses each and every possible… Read full abstract & cite →

Graphical user Interface Prioritization Test Suite Fuzzy Model.

Abstract doi.org/10.14569/IJACSA.2012.031237 PDF

38

Masking Digital Image using a Novel technique based on a Transmission Chaotic System and SPIHT Coding Algorithm

Author 1: Hamiche Hamid Author 2: Lahdir Mourad Author 3: Tahanout Mohammed Author 4: Djennoune Said

In this article, a new transmission system of encrypted image based on novel chaotic system and SPIHT technique is proposed. This chaotic system is made up of two chaotic systems already developed: the discrete-time modified Henon chaotic system and the continuous-time Colpitts one. The transmission system is designed to take… Read full abstract & cite →

Chaos Modified Henon Colpitts SPIHT Robustness.

Abstract doi.org/10.14569/IJACSA.2012.031238 PDF

39

Important Features Detection in Continuous Data

Author 1: Piotr Fulmanski Author 2: Alicja Miniak-Górecka

In this paper, a method for calculating the importance factor of continuous features from a given set of patterns is presented. A real problem in many practical cases, like medical data, is to find which parts of patterns are crucial for correct classification. This leads to the need of preprocessing… Read full abstract & cite →

important features extraction continuous data analysis decision tree.

Abstract doi.org/10.14569/IJACSA.2012.031239 PDF