IJACSA Vol. 5 Issue 2 (2014)

1

Applying Cellular Automata for Simulating and Assessing Urban Growth Scenario Based in Nairobi, Kenya

Author 1: Kenneth Mubea Author 2: Roland Goetzke Author 3: Gunter Menz

This research explores urban growth based scenarios for the city of Nairobi using a cellular automata urban growth model (UGM). African cities have experienced rapid urbanization over the last decade due to increased population growth and high economic activities. We used multi-temporal Landsat imageries for 1976, 1986, 2000 and 2010… Read full abstract & cite →

Urban Growth Scenarios Nairobi Cellular automata Simulation sustainable development

Abstract doi.org/10.14569/IJACSA.2014.050201 PDF

2

Construction Strategy of Wireless Sensor Networks with Throughput Stability by Using Mobile Robot

Author 1: Kei Sawai Author 2: Shigeaki Tanabe Author 3: Hitoshi Kono Author 4: Yuta Koike Author 5: Ryuta Kunimoto Author 6: Tsuyoshi Suzuki

We propose a wireless sensor networks deployment strategy for constructing wireless communication infrastructures for a rescue robot with considering a throughput between sensor nodes (SNs). Recent studies for reducing disaster damage focus on a disaster area information gathering in underground spaces. Since information gathering activities in such post disaster underground… Read full abstract & cite →

Wireless Sensor Networks Rescue Robot Tele-Operation Maintaining Throughput

Abstract doi.org/10.14569/IJACSA.2014.050202 PDF

3

A Secured Framework for Geographical Information Applications on Web

Author 1: Mennatallah H. Ibrahim Author 2: Hesham A. Hefny

Current geographical information applications increasingly require managing spatial data through the Web. Users of geographical information application need not only to display the spatial data but also to interactively modify them. As a result, the security risks that face geographical information applications are also increasing. In this paper, a secured… Read full abstract & cite →

spatial data geographic information systems access control authorization

Abstract doi.org/10.14569/IJACSA.2014.050203 PDF

4

Bimodal Emotion Recognition from Speech and Text

Author 1: Weilin Ye Author 2: Xinghua Fan

This paper presents an approach to emotion recognition from speech signals and textual content. In the analysis of speech signals, thirty-seven acoustic features are extracted from the speech input. Two different classifiers Support Vector Machines (SVMs) and BP neural network are adopted to classify the emotional states. In text analysis… Read full abstract & cite →

emotion recognition acoustic features textual features decision level fusion

Abstract doi.org/10.14569/IJACSA.2014.050204 PDF

5

Performance of window synchronisation in coherent optical ofdm system

Author 1: Sofien Mhatli Author 2: Bechir Nsiri Author 3: Mutasam Jarajreh Author 4: Basma Hammami Author 5: Rabah Attia

In this paper we investigate the performances of a robust and efficient technique for frame/symbol timing synchronization in coherent optical OFDM. It uses a preamble consisting of only two training symbol with two identical parts to achieve reliable synchronization schemes. The performances of the timing offset estimator at correct and… Read full abstract & cite →

COFDM timing offset time synchronization training symbol

Abstract doi.org/10.14569/IJACSA.2014.050205 PDF

6

SentiTFIDF – Sentiment Classification using Relative Term Frequency Inverse Document Frequency

Author 1: Kranti Ghag Author 2: Ketan Shah

Sentiment Classification refers to the computational techniques for classifying whether the sentiments of text are positive or negative. Statistical Techniques based on Term Presence and Term Frequency, using Support Vector Machine are popularly used for Sentiment Classification. This paper presents an approach for classifying a term as positive or negative… Read full abstract & cite →

Sentiment Classification Term Weighting Term Frequency Term Presence Document Vectors

Abstract doi.org/10.14569/IJACSA.2014.050206 PDF

7

New technique to insure data integrity for archival files storage (DIFCS)

Author 1: Mohannad Najjar

In this paper we are developing an algorithm to increase the security of using HMAC function (Key-Hashed Message Authentication) to insure data integrity for exchanging archival files. Hash function is a very strong tool used in information security. The algorithm we are developing is safe, quick and will allow the… Read full abstract & cite →

cryptography hash functions data integrity authentication HMAC file archiving

Abstract doi.org/10.14569/IJACSA.2014.050207 PDF

9

A Greedy Algorithm for Load Balancing Jobs with Deadlines in a Distributed Network

Author 1: Ciprian I. Paduraru

One of the most challenging issues when dealing with distributed networks is the efficiency of jobs load balancing. This paper presents a novel algorithm for load balancing jobs that have a given deadline in a distributed network assuming central coordination. The algorithm uses a greedy strategy for global and local… Read full abstract & cite →

scheduling greedy coordination network

Abstract doi.org/10.14569/IJACSA.2014.050209 PDF

10

Evaluation of Different Hypervisors Performance in the Private Cloud with SIGAR Framework

Author 1: P. Vijaya Vardhan Reddy Author 2: Dr. Lakshmi Rajamani

To make cloud computing model Practical and to have essential characters like rapid elasticity, resource pooling, on demand access and measured service, two prominent technologies are required. One is internet and second important one is virtualization technology. Virtualization Technology plays major role in the success of cloud computing. A virtualization… Read full abstract & cite →

CloudStack Hypervisor Management Server Private Cloud Virtualization Technology SIGAR Passmark

Abstract doi.org/10.14569/IJACSA.2014.050210 PDF

11

TCP- Costco Reno: New Variant by Improving Bandwidth Estimation to adapt over MANETs

Author 1: Prakash B. Khelage Author 2: Dr. Uttam D. Kolekar

The Transmission Control Protocol (TCP) is traditional, dominant and has been de facto standard protocol, used as transport agent at transport layer of TCP/IP protocol suite. Basically it is designed to provide reliability and assure guaranty to end-to-end delivery of data over unreliable networks. In practice, most TCP deployments have… Read full abstract & cite →

mobile ad hoc network (MANET) Ccongestionl Link failure signal loss interference Retransmission timeout RTT and BW estimation

Abstract doi.org/10.14569/IJACSA.2014.050211 PDF

12

Early Development of UVM based Verification Environment of Image Signal Processing Designs using TLM Reference Model of RTL

Author 1: Abhishek Jain Author 2: Sandeep Jana Author 3: Dr. Hima Gupta Author 4: Krishna Kumar

With semiconductor industry trend of “smaller the better”, from an idea to a final product, more innovation on product portfolio and yet remaining competitive and profitable are few criteria which are culminating into pressure and need for more and more innovation for CAD flow, process management and project execution cycle… Read full abstract & cite →

SystemVerilog SystemC Transaction Level Modeling Universal Verification Methodology (UVM) Processor model Universal Verification Component (UVC) Reference Model

Abstract doi.org/10.14569/IJACSA.2014.050212 PDF

13

Development of Rest Facility Information Exchange System by Utilizing Delay Tolerant Network

Author 1: Masahiro Ono Author 2: Kei Sawai Author 3: Tsuyoshi Suzuki

In this paper, we propose temporary rest facilities information exchange system among many people unable to get home by utilizing Delay Tolerant Network (DTN) after a disaster. When public transportation services are interrupted by the disaster, those people try to get home on foot while taking a rest at the… Read full abstract & cite →

Delay Tolerant Network rest facility disaster communication infrastructure simulation

Abstract doi.org/10.14569/IJACSA.2014.050213 PDF

14

New Method Based on Multi-Threshold of Edges Detection in Digital Images

Author 1: Amira S. Ashour Author 2: Mohamed A. El-Sayed Author 3: Shimaa E. Waheed Author 4: S. Abdel-Khalek

Edges characterize object boundaries in image and are therefore useful for segmentation, registration, feature extraction, and identification of objects in a scene. Edges detection is used to classify, interpret and analyze the digital images in a various fields of applications such as robots, the sensitive applications in military, optical character… Read full abstract & cite →

image processing multi-threshold edges detection clustering

Abstract doi.org/10.14569/IJACSA.2014.050214 PDF

15

Dynamic Software Architecture for Medical Domain Using Pop Counts

Author 1: UMESH BANODHA Author 2: KANAK SAXENA

Over the past few decades, the complexity of software for almost any era has increased significantly. The aim of this paper is to provide an approach which not only feasible but also decision-oriented in medical era. It focus on the careful planning and organizing success in continuous process improvements in… Read full abstract & cite →

Software Architecture Quality Attributes Pop count medical process reengineering

Abstract doi.org/10.14569/IJACSA.2014.050215 PDF

16

OLAWSDS:An Online Arabic Web Spam Detection System

Author 1: Mohammed N. Al-Kabi Author 2: Heider A. Wahsheh Author 3: Izzat M. Alsmadi

For marketing purposes, Some Websites designers and administrators use illegal Search Engine Optimization (SEO) techniques to optimize the ranking of their Web pages and mislead the search engines. Some Arabic Web pages use both content and link features, to increase artificially the rank of their Web pages in the Search… Read full abstract & cite →

Arabic Web spam content-based link-based Information Retrieval

Abstract doi.org/10.14569/IJACSA.2014.050216 PDF

17

RPOA Model-Based Optimal Resource Provisioning

Author 1: Noha El. Attar Author 2: Samy Abd El -Hafeez Author 3: Wael Awad Author 4: Fatma Omara

Optimal utilization of resources is the core of the provisioning process in the cloud computing. Sometimes the local resources of a data center are not adequate to satisfy the users’ requirements. So, the providers need to create several data centers at different geographical area around the world and spread the… Read full abstract & cite →

Cloud Computing Resource Provision Data Communication Particle Swarm Optimization

Abstract doi.org/10.14569/IJACSA.2014.050217 PDF

18

Investigating the combination of structural and textual information about multimedia retrieval

Author 1: Sana FAKHFAKH Author 2: Mohamed TMAR Author 3: Walid MAHDI

The expansion of structured information in different applications introduces a new ambiguity in multimedia retrieval in semi-structured documents. We investigate in this paper the combination of textual and structural context for multimedia retrieval in XML document thus we present a indexing model which combines textual and structural information. We propose… Read full abstract & cite →

Geometric distance multimedia retrieval element structure document modeling

Abstract doi.org/10.14569/IJACSA.2014.050218 PDF

19

Audio Search Based on Keyword Spotting in Arabic Language

Author 1: Mostafa Awaid Author 2: Sahar A. Fawzi Author 3: Ahmed H. Kandil

Keyword spotting is an important application of speech recognition. This research introduces a keyword spotting approach to perform audio searching of uttered words in Arabic speech. The matching process depends on the utterance nucleus which is insensitive to its context. For spotting the targeted utterances, the matched nuclei are expanded… Read full abstract & cite →

Speech Recognition Keyword Spotting Template Matching

Abstract doi.org/10.14569/IJACSA.2014.050219 PDF

20

A Tentative Analysis of the Rectangular Horizontal-slot Microstrip Antenna

Author 1: Md. Tanvir Ishtaique ul Huque Author 2: Md. Imran Hasan

In this paper, we have presented a new type of microstrip antenna mentioned as rectangular horizontal-slot patch antenna. Our main motto is to design a novel antenna which has the simplicity in structure and higher return loss. We have followed a tentative approach which leads us to an exceptional result… Read full abstract & cite →

GEMS Microstrip antenna Rectangular horizontal slot antenna Return loss Slot antenna antenna

Abstract doi.org/10.14569/IJACSA.2014.050220 PDF

21

TCP I-Vegas in Mobile-IP Network

Author 1: Nitin Jain Author 2: Dr. Neelam Srivastava

Mobile Internet Protocol (Mobile-IP or MIP) provides hosts with the ability to change their point of attachment to the network without compromising their ability to communicate. However, when TCP Vegas is used over a MIP network, its performance degrades because it may respond to a handoff by invoking its congestion… Read full abstract & cite →

TCP Vegas Mobile-IP NS-2

Abstract doi.org/10.14569/IJACSA.2014.050221 PDF

22

Complexity of Network Design for Private Communication and the P-vs-NP Question

Author 1: Stefan Rass

We investigate infeasibility issues arising along network design for information-theoretically secure cryptography. In particular, we consider the problem of communication in perfect privacy and formally relate it to graph augmentation problems and the P-vs-NP-question. Based on a game-theoretic privacy measure, we consider two optimization problems related to secure infrastructure design… Read full abstract & cite →

Complexity NP Privacy Security Game Theory Graph Augmentation

Abstract doi.org/10.14569/IJACSA.2014.050222 PDF

23

Energy Saving EDF Scheduling for Wireless Sensors on Variable Voltage Processors

Author 1: Hussein EL Ghor Author 2: El-Hadi M Aggoune

Advances in micro technology has led to the development of miniaturized sensor nodes with wireless communication to perform several real-time computations. These systems are deployed wherever it is not possible to maintain a wired network infrastructure and to recharge/replace batteries and the goal is then to prolong as much as… Read full abstract & cite →

Abstract doi.org/10.14569/IJACSA.2014.050223 PDF

24

Mobile Receiver-Assisted Localization Based on Selective Coordinates in Approach to Estimating Proximity for Wireless Sensor Networks

Author 1: Zulfazli Hussin Author 2: Yukikazu Nakamoto

Received signal strength (RSS)-based mobile localization has become popular due to its inexpensive localization solutions in large areas. Compared to various physical properties of radio signals, RSS is an attractive approach to localization because it can easily be obtained through existing wireless devices without any additional hardware. Although RSS is… Read full abstract & cite →

Localization proximity estimation genetic algorithm wireless sensor networks received signal strength

Abstract doi.org/10.14569/IJACSA.2014.050224 PDF