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International Journal of Computer Science Issues
(543 results)-
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An Efficient Clustered Multipath Routing to Improve Lifespan in WSN
March 1, 2012, 12:00am PST
A wireless sensor network with a large number of tiny sensor nodes can be used as an effective way for gathering data in various environments. One of the significant challenges in the wireless...
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Fast and Accurate Practical Positioning Method Using Enhanced-Lateration Technique and Adaptive Propagation Model in GSM Mode
March 1, 2012, 12:00am PST
In this paper, the authors consider problem of positioning of mobile phones, different approaches were produced for these targets using GPS, WiFi, GSM, UMTS and other sensors, which exist in today...
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Fortification of Transport Layer Security Protocol With Hashed Fingerprint Identity Parameter
March 1, 2012, 12:00am PST
Identity over the public links becomes quiet complex as Client and Server needs proper access rights with authentication. For determining clients identity with password Secured Shell Protocol or...
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Traceability Method for Software Engineering Documentation
March 1, 2012, 12:00am PST
Traceability has been widely discussed in research area. It has been one of interest topic to be research in software engineering. Traceability in software documentation is one of the interesting...
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Performance Analysis of Receivers in WDM for Extended Reach Passive Optical Networks
March 1, 2012, 12:00am PST
In this paper, the authors have investigated and analyzed the performance of receivers for different classes of WDM PON system for next generation Passive Optical Networks. The performance is...
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Recycling RF Energy in the GSM-1800 Band
March 1, 2012, 12:00am PST
In this paper, the authors present a study about the recuperation and the wireless transfer of the RF micro-energy in the waveband 1800 MHz -1900MHz. The extension of the telecommunication systems...
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A Survey Paper on Ant Colony Optimization Routing Algorithm for Selecting Multiple Feasible Paths for Packet Switched Networks
March 1, 2012, 12:00am PST
ACO algorithms for datagram networks was given by Di Caro & Dorigo, in year 1996. Basic mechanisms in typical ACO routing algorithms is Ant-like agents are proactively generated at the nodes to...
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Transmitting Cryptographic Data Through Steganography
March 1, 2012, 12:00am PST
Computers are being used worldwide. The internet connects the world as one. Cybercrime is a huge issue which can be resolved by some approaches. In this paper an approach is introduced to ensure...
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An Approach of Digital Image Copyright Protection by Using Watermarking Technology
March 1, 2012, 12:00am PST
Digital watermarking system is a paramount for safeguarding valuable resources and information. Digital watermarks are generally imperceptible to the human eye and ear. Digital watermark can be...
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Cloud Infrastructure Service Management - A Review
March 1, 2012, 12:00am PST
The new era of computing called Cloud Computing allows the user to access the cloud services dynamically over the Internet wherever and whenever needed. Cloud consists of data and resources; and...
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SNMP Based Network Optimization Technique Using Genetic Algorithms
March 1, 2012, 12:00am PST
Genetic Algorithms (GAs) has innumerable applications through the optimization techniques and network optimization is one of them. SNMP (Simple Network Management Protocol) is used as the basic...
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Energy Efficient Routing Protocol for MANET
March 1, 2012, 12:00am PST
In recent years, many energy-efficient routing protocols have been proposed. However, very little efforts have been taken in studying the energy consumption of individual node, overhead and route...
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Cognitive Approach Based User Node Activity Monitoring for Intrusion Detection in Wireless Networks
March 1, 2012, 12:00am PST
Cognitive networks are the solution for the problems existing on the current networks. Users maintain integrity of the networks and user node activity monitoring is required for provision of...
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RGB Technique of Intrusion Detection in IEEE 802.11 Wireless Mesh Networks
March 1, 2012, 12:00am PST
According to the growth rate of wireless technology, Wireless Mesh Network (WMN) usage is significantly increased according to its advantages like inexpensive, fast and easy deployment. WMN have...
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An Optical/Wireless Integrated Approach to Provide Multiple Gateways in Wireless Mesh Networks
March 1, 2012, 12:00am PST
Wireless Mesh Network is an application technology different from the traditional peer-to-peer wireless bridge; it provides the multi-hop and multi-path connection to form a wireless environment...
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A New Efficient Approach for Peer-To-Peer File Searching in Mobile Ad-Hoc Network
March 1, 2012, 12:00am PST
The file searching efficiency and scalable property based on P2P (Peer-To-Peer) can be increased by reduction of message overhead. A single hop cluster based P2P file searching protocol for MANET...
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Maximising Wireless Sensor Network Life Time Through Cluster Head Selection Using Hit Sets
March 1, 2012, 12:00am PST
The main aim of this paper is to propose a solution to improve the life time of the network by reducing the no of active nodes that participate in communication. Life time of a WSN is improved...
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A Power Efficient, Oblivious, Path-Diverse, Minimal Routing for Mesh-Based Networks-on-Chip
March 1, 2012, 12:00am PST
One of the most trade-off aspects in the design of NoCs is the improvement of the network performance, in terms of throughput and latency, while minimizing power consumption. 2D-mesh has become...
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PCLA: A New Public-Key Cryptosystem Based on Logarithmic Approach
March 1, 2012, 12:00am PST
A public key cryptosystem is an asymmetric cryptosystem where the key consist of a public key and a private key. As the public key is public (known to all), can be used to encrypt the messages....
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A Quantitative Measurement and Validation of Granularity in Service Oriented Architecture
March 1, 2012, 12:00am PST
The prominent principle of designing service in Service Oriented Architecture is service granularity. The granularity is a crucial design decision. The service should be neither too coarse nor too...
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Stimulating Cooperation in Mobile Ad Hoc Networks Using Cut Diamond With Diamond Method
March 1, 2012, 12:00am PST
In recent years, mobile ad-hoc networks have become very popular because of their widespread usage. Cooperation among the nodes in adhoc networks is an important issue for communication to be...
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Fast Energy-Efficient Secure Dynamic Address Routing for Scalable WSNs
March 1, 2012, 12:00am PST
Secure Routing is one of the important issues in wireless sensor networks. A number of approaches have been proposed for secure routing in wireless sensor networks, but there is a lack of...
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Integration of Chaotic Sequences Uniformly Distributed in a New Image Encryption Algorithm
March 1, 2012, 12:00am PST
In this paper, the authors propose a new chaotic secret key cryptosystem, adapted for image encryption in continuous mode, which is based on the use of two one-dimensional discrete chaotic...
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Identifying Data Integrity in the Cloud Storage
March 1, 2012, 12:00am PST
In cloud computing, data is moved to a remotely located cloud server. Cloud faithfully stores the data and return back to the owner whenever needed. But there is no guarantee that data stored in...
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A Framework for Outdoor Mobile Augmented Reality
March 1, 2012, 12:00am PST
Augmented Reality (AR) presents a particularly powerful User Interface (UI) to context-aware computing environments. AR systems integrate virtual information into a person's physical environment...
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Secure and Compressed Secret Writing Using DES and DEFLATE Algorithm
March 1, 2012, 12:00am PST
A new secret writing using DES and DEFLATE algorithm is explored by improving the previous attempts in this sense in terms of security and compression. A Matching Pursuit algorithm using redundant...
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Comparative Study of CDMA and OFDM in WI-FI
March 1, 2012, 12:00am PST
There have been extensive research efforts on simulating Wireless Local Area Networks. Many papers have studied the performance of IEEE 802.11 WLANs by using simulation under different channels...
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QoS-Aware SINR-Based Call Blocking Evaluation in Cellular Networks With 3G Interface
March 1, 2012, 12:00am PST
A Quality of Service (QoS)-aware Signal to Interference and Noise Ratio (SINR)-based blocking probability model is simulated in this paper to evaluate the performance of networks with Third...
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Qos-Based Rate Allocation in Wireless Mesh Networks
March 1, 2012, 12:00am PST
In this paper, the authors present a centralized algorithm for QoS based rate allocation in wireless mesh networks. The main objective is to find approach that also satisfy user-specified QoS...
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Mobile Node for Wireless Sensor Network to Detect Landmines
March 1, 2012, 12:00am PST
Individual sensor nodes are low power devices which integrate computing, wireless communication and sensing capabilities to detect land mine. Such multiple nodes collectively form wireless sensor...
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Cryptographic Hash Functions: A Review
March 1, 2012, 12:00am PST
Cryptographic Hash functions are used to achieve a number of security objectives. In this paper, the authors bring out the importance of hash functions, its various structures, design techniques,...
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Fuzzy Integrity Constraints for Native XML Database
March 1, 2012, 12:00am PST
XML is gradually accepted as a standard for representing, accessing, and exchanging data in internet applications. It poses many new challenges to XML storage or XML repositories. The data centric...
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Application Independent Energy Efficient Data Aggregation in Wireless Sensor Networks
March 1, 2012, 12:00am PST
Wireless Sensor networks are dense networks of small, low-cost sensors, which collect and disseminate environmental data and thus facilitate monitoring and controlling of physical environment from...
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Architecture of Wireless Network
March 1, 2012, 12:00am PST
To allow for wireless communications among a specific geographic area, base stations of communication network must be deployed to allow sufficient radio coverage to every mobile users. The base...
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Hybrid Routing Protocol for Wireless Sensor Networks
March 1, 2012, 12:00am PST
Increasing network (WSN) lifetime is a challenge in routing protocol design for ad hoc network, especially in such a network each node (sensor) is powered by batteries, characterized ability...
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A Novel Architecture for Collaborative Environments
March 1, 2012, 12:00am PST
A novel architecture, called Cognitive Social Knowledge Grid, is introduced as a solution for collaborative environments. The CSKG performs information and knowledge operations through...
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Intrusion Detection System Using Memtic Algorithm Supporting With Genetic and Decision Tree Algorithms
March 1, 2012, 12:00am PST
This paper has proposed a technique of combining Decision Tree, Genetic Algorithm, DT-GA and Memtic algorithm to find more accurate models for fitting the behavior of network intrusion detection...
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Low-Power and High Speed 128-Point Pipline FFT/IFFT Processor for OFDM Applications
March 1, 2012, 12:00am PST
This paper represents low power and high speed 128-point pipelined Fast Fourier Transform (FFT) and its Inverse Fast Fourier Transform (IFFT) processor for OFDM. The Modified architecture also...
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Network Anomalies Detection Using Statistical Technique : A Chi-Square Approach
March 1, 2012, 12:00am PST
Intrusion Detection System is used to detect suspicious activities is one form of defense. However, the sheer size of the network logs makes human log analysis intractable. Furthermore,...
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A Systematic Study of Requirement Volatility During Software Development Process
March 1, 2012, 12:00am PST
The amount and complexity of software produced today stagger the imagination. Software development strategies have not kept pace with them. Today's software and system's engineers are facing an...
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Six Layers Architecture Model for Object Oriented Database
November 1, 2011, 12:00am PDT
In this paper, a six layered architecture for object oriented database from access and management point of view is proposed. This architecture model consist of six layers: Interaction layer,...
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Comparison of Cloud Database: Amazon's SimpleDB and Google's Bigtable
November 1, 2011, 12:00am PDT
Cloud Computing can be defined as a service or a platform, or an operating system over the Internet to perform tasks. Database has become a part and parcel of life and is being used in almost...
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A New Factorization Method to Factorize RSA Public Key Encryption
November 1, 2011, 12:00am PDT
The security of public key encryption such as RSA scheme relied on the integer factoring problem. The security of RSA algorithm is based on positive integer N, because each transmitting node...
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Hierarchal Object Oriented Fault Tolerant Secured and Atomic Mobile Agent Model
November 1, 2011, 12:00am PDT
Mobile Agents are soft wares migrating from one node to another to fulfill the task of its owner. Mobility introduces two major challenges in front of mobile agent namely reliability and security....
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Search Content Via Cloud Storage System
November 1, 2011, 12:00am PDT
With cloud computing growing in IT Enterprise. the importance of storing and searching files on the cloud increase. cloud storage is defined as a set of scalable data servers or chunk servers that...
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Approach to a Conceptual Model of Indexation in a Weak Ontology Described in RDFS
November 1, 2011, 12:00am PDT
In this paper, the authors describe a model of conceptual indexation adapted to the RDFS structured resources. The process of the structured IR (Information Research) in XML corpus, based on the...
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Fault Localization for Java Programs Using Probabilistic Program Dependence Graph
November 1, 2011, 12:00am PDT
Fault localization is a process to find the location of faults. It determines the root cause of the failure. It identifies the causes of abnormal behaviour of a faulty program. It identifies...
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Comparison of Routing Protocols to Assess Network Lifetime of WSN
November 1, 2011, 12:00am PDT
Rapid pace of improving technology in Wireless Sensor Networks (WSN) made it possible to manufacture low power, multifunctional sensor nodes. WSN is the set of small power energy confined sensor...
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Pseudonymous Privacy Preserving Buyer-Seller Watermarking Protocol
November 1, 2011, 12:00am PDT
A buyer-seller watermarking protocol utilize watermarking along with cryptography for copyright and copy protection for the seller and meanwhile it also preserve buyers rights for privacy. Up to...
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New Channel Assignment Method for Access Points in Wireless LANs
November 1, 2011, 12:00am PDT
Wireless LANs topology communicates using radio frequencies. The number of these frequencies is limited and not enough to assign a special frequency for each Access Point, this means that the...
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Implementation of Portion Approach in Distributed Firewall Application for Network Security Framework
November 1, 2011, 12:00am PDT
The stimulate of this research seeks collaboration of firewalls which, could reach to the capability of distributed points of security policy; the front-end entity may much interact by the...
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Extending XACML to Support Credential Based Hybrid Access Control
November 1, 2011, 12:00am PDT
Various research efforts are in progress to enforce credential based access control using XACML standard. The current standard of XACML supports attribute based access control. While XACML accepts...
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Efficient Web Usage Mining With Clustering
November 1, 2011, 12:00am PDT
Web usage mining attempts to discover useful knowledge from the secondary data obtained from the interactions of the users with the Web. Web usage mining has become very critical for effective Web...
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A Critical Simulation of CPU Scheduling Algorithm Using Exponential Distribution
November 1, 2011, 12:00am PDT
A multiprogramming operating system allows more than one process to be loaded into the executable memory at a time and for the loaded process to share the CPU using time-multiplexing. Part of the...
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Design and Implementation of Memory-Less Forbidden Transition Free Crosstalk Avoidance CODECs for On-Chip Buses
November 1, 2011, 12:00am PDT
Recently, reducing crosstalk noise delay is an important issue in VLSI design. As circuit geometries become smaller, wire interconnections become closer together and taller, thus increasing the...
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Comprehensive Analysis of Web Log Files for Mining
November 1, 2011, 12:00am PDT
World Wide Web is a global village and rich source of information. Day by day number of web sites and its users are increasing rapidly. Information extracted from WWW may sometimes do not turn up...
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Color Features Integrated With Line Detection for Object Extraction and Recognition in Traffic Images Retrieval
November 1, 2011, 12:00am PDT
This paper proposes a simple object extraction and recognition method with efficient searching for identifying and extracting the objects in a complex scene based on the color features. The...
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Cloud Services for Collaborative Web Based Project Management System
November 1, 2011, 12:00am PDT
Cloud computing is a style of computing which is having dynamically scalable virtualized resources provided as a service over the Internet. In this paper, the authors are presenting Project...
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RDWSN: To Offer Reliable Algorithm for Routing in Wireless Sensor Network
November 1, 2011, 12:00am PDT
The authors would offer a reliable algorithm for routing in Wireless Sensor Network (WSN). RDWSN algorithm by using of outstanding parameters has been evaluated compared with previous algorithms....
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Strategical Modelling With Virtual Competition for Analyzing Behavior of Malicious Node in Mobile Adhoc Network to Prevent Decamping
November 1, 2011, 12:00am PDT
The proposed system highlights a novel approach of identifying dynamic misbehaviour of the malicious node in mobile adhoc network. The main aim of the proposed work is to implement a new technique...
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PPNOCS: Performance and Power Network on Chip Simulator Based on SystemC
November 1, 2011, 12:00am PDT
As technology moves towards multi-core System-On-Chips (SoCs), Networks-on-Chip (NoCs) are emerging as the scalable fabric for interconnecting the cores. Network-on-Chip architectures have a wide...
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Improving Security Levels of IEEE 802.16e Authentication by Diffie-Hellman Method
November 1, 2011, 12:00am PDT
In this paper, the authors proposed an authentication method according to Diffie-Hellman. First, they introduce different methods for authentication in IEEE.802.16 then they proposed an...
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Comparing Online Analytical Processing and Data Mining Tasks In Enterprise Resource Planning Systems
November 1, 2011, 12:00am PDT
Enterprise Resource Planning (ERP) is an environment which is often rich of data about the enterprise. Data warehouse online analytical processing techniques provided decision makers a set of...
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Implementing VoIP Over Fatima Jinnah Women University
November 1, 2011, 12:00am PDT
Working people employee the use of technology in such very effective natural ways that permit them to do what they want: they can communicate with anyone as per need, in the time and space that...
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Integrated Circuit of CMOS DC-DC Buck Converter With Differential Active Inductor
November 1, 2011, 12:00am PDT
In this paper, the authors propose a new design of DC-DC Buck Converter (BC), which the spiral inductor is replaced by a differential gyrator with capacitor load (gyrator-C) implemented in 0.18um...
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Incorporating Security in Embedded System - A Critical Analysis
November 1, 2011, 12:00am PDT
Security is becoming a major concern in embedded system designing and development. This paper surveys security requirements, attack techniques and will review countermeasures for these attacks....
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Marginal Object Weight Ranking for Nearest Neighbor Search in Spatial Databases
November 1, 2011, 12:00am PDT
Uncertainty prevails in spatial databases whose objects are defined as multidimensional probable density function. Identifying an object is tedious task in uncertain spatial databases. Recent work...
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Design of a High Performance Reversible Multiplier
November 1, 2011, 12:00am PDT
Reversible logic circuits are increasingly used in power minimization having applications such as low power CMOS design, optical information processing, DNA computing, bioinformatics, quantum...
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Nurture IDR Segmentation and Multiple Instruction Queues in Superscalar Pipelining Processor
November 1, 2011, 12:00am PDT
This paper proposes a model which improves the speed of the pipelining mechanism therefore increasing the speed of the processor. Superscalar operation is used to get maximum throughput from the...
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A Model for Crises Management in Software Projects
November 1, 2011, 12:00am PDT
Today software projects are important part into almost every business application. It is quality, efficiency and effectiveness of these applications will determine the failure or success of many...
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Grayscale Image Compression Based on Min Max Block Truncating Coding
November 1, 2011, 12:00am PDT
Image compression is an important tool to reduce the bandwidth and storage requirements of practical image systems such as multimedia, communication, medical images, education and business etc....
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Scalable Symmetric Key Cryptography Using Asynchronous Data Exchange in Enterprise Grid
November 1, 2011, 12:00am PDT
Symmetric key cryptography is one of the most critical computing problems that need high performance computing power resources. The use of large key sizes and complex encryption/decryption...
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Theoretical Analysis of VoIP Transmission Through Different Wireless Access Technologies
November 1, 2011, 12:00am PDT
One of the challenges in today's wireless networks is to provide appropriate throughput for data and multimedia application. The physical data rate enhancements can be achieved through new...
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Design of a New Model of Multiband Miniature Antenna Near Isotropic
November 1, 2011, 12:00am PDT
In this paper, the authors propose a new slotted multiband antennas simulated at different frequencies. The insertion of slots in the patch gives a good adapting frequency with various forms on...
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Cross Layer Implementation of Key Establishment and Configuration Protocols in WSN
November 1, 2011, 12:00am PDT
Security in Wireless Sensor Networks (WSN) can be achieved by establishing shared keys among the neighbor sensor nodes to create secure communication links. The protocol to be used for such a...
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Performance Analysis of Observation Based Cooperation Enforcement in Ad Hoc Networks
November 1, 2011, 12:00am PDT
Node misbehavior due to selfish or malicious behavior could significantly degrade the performance of MANET because most existing routing protocols in MANET aim to find the most efficient path....
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A Review of Burst Scheduling Algorithm in WDM Optical Burst Switching Network
November 1, 2011, 12:00am PDT
Optical Burst Switching (OBS) has proved to be an efficient paradigm for supporting IP-over-WDM networks. The growth of a variety of applications which transmit voice, data, video and multimedia,...
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A Collaborative Algorithm for Ontological Matching in E-Learning Courseware Domain Knowledge Network
November 1, 2011, 12:00am PDT
Domain Knowledge is the content repository of a courseware system consisting of a series of learning objects. However, the unstructured and inconsistent naming of domain knowledge components does...
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Conception and Use of Ontologies for Indexing and Searching by Semantic Contents of Video Courses
November 1, 2011, 12:00am PDT
Nowadays, the video documents like educational courses available on the web increases significantly. However, the information retrieval systems today can not return to the users (students or...
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QGRP: A Novel QoS-Geographic Routing Protocol for Multimedia Wireless Sensor Networks
November 1, 2011, 12:00am PDT
Multimedia Wireless Sensor Networks (MWSN) are forecast to become highly integrated into the people daily activities. Due to the carried content nature, mainly composed of images and/or video...
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