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World Academy of Science, Engineering and Technology
(240 results)-
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A General Model for Acquiring Knowledge
June 9, 2009, 12:00am PDT
In this paper, based on the work in, the authors further give a general model for acquiring knowledge, which first focuses on the research of how and when things involved in problems are made then...
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Many-Sided Self Risk Analysis Model for Information Asset to Secure Stability of the Information and Communication Service
June 9, 2009, 12:00am PDT
Information and Communication Service Providers (ICSP) that are significant in size and provide Internet-based services take administrative, technical, and physical protection measures via the...
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Space Time Processing With Adaptive STBC-OFDM Systems
June 9, 2009, 12:00am PDT
In this paper, Optimum adaptive loading algorithms are applied to multicarrier system with Space-Time Block Coding (STBC) scheme associated with space-time processing based on Singular-Value...
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Classification of Non Stationary Signals Using Ben Wavelet and Artificial Neural Networks
December 31, 2010, 12:00am PST
The automatic classification of non stationary signals is an important practical goal in several domains. An essential classification task is to allocate the incoming signal to a group associated...
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Extended Dynamic Source Routing Protocol for the Non Co-Operating Nodes in Mobile Adhoc Networks
June 9, 2009, 12:00am PDT
In this paper, a new approach based on the extent of friendship between the nodes is proposed which makes the nodes to co-operate in an ad hoc environment. The extended DSR protocol is tested...
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An Angioplasty Intervention Simulator With a Specific Virtual Environment
June 9, 2009, 12:00am PDT
One of the essential requirements of a realistic surgical simulator is to reproduce haptic sensations due to the interactions in the virtual environment. However, the interaction need to be...
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Arabic Character Recognition Using Artificial Neural Networks and Statistical Analysis
June 9, 2009, 12:00am PDT
In this paper, an Arabic letter recognition system based on Artificial Neural Networks (ANNs) and statistical analysis for feature extraction is presented. The ANN is trained using the Least Mean...
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A Keyword-Based Filtering Technique of Document-Centric XML Using NFA Representation
June 9, 2009, 12:00am PDT
XML is becoming a de facto standard for online data exchange. Existing XML filtering techniques based on a publish/subscribe model are focused on the highly structured data marked up with XML...
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A Multilanguage Source Code Retrieval System Using Structural-Semantic Fingerprints
June 9, 2009, 12:00am PDT
Source code retrieval is of immense importance in the software engineering field. The complex tasks of retrieving and extracting information from source code documents is vital in the development...
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Application of Computational Intelligence for Sensor Fault Detection and Isolation
June 11, 2009, 12:00am PDT
The new idea of this research is application of a new Fault Detection and Isolation (FDI) technique for supervision of sensor networks in transportation system. In measurement systems, it is...
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The Performance of Genetic Algorithm for Synchronized Chaotic Chen System in CDMA Satellite Channel
January 3, 2011, 12:00am PST
Synchronization is a difficult problem in CDMA satellite communications. Due to the influence of additive noise and fading in the mobile channel, it is not easy to keep up with the attenuation and...
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An Architecture for High Performance File System I/O
September 14, 2010, 12:00am PDT
This paper presents architecture of current filesystem implementations as well as the new filesystem SpadFS and operating system Spad with rewritten VFS layer targeted at high performance I/O...
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Performance Analysis of an Adaptive Threshold Hybrid Double-Dwell System With Antenna Diversity for Acquisition in DS-CDMA Systems
August 20, 2010, 12:00am PDT
In this paper, the authors consider the analysis of the acquisition process for a hybrid double-dwell system with antenna diversity for DS-CDMA (Direct Sequence-Code Division Multiple Access)...
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Use of Bayesian Network in Information Extraction From Unstructured Data Sources
August 20, 2010, 12:00am PDT
This paper applies Bayesian Networks to support information extraction from unstructured, ungrammatical, and incoherent data sources for semantic annotation. A tool has been developed that...
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A Materialized Approach to the Integration of XML Documents: The OSIX System
August 20, 2010, 12:00am PDT
The data exchanged on the Web are of different nature from those treated by the classical database management systems; these data are called semi-structured data since they do not have a regular...
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An Adaptive Fuzzy Clustering Approach for the Network Management
August 20, 2010, 12:00am PDT
The Chiu's method which generates a Takagi-Sugeno Fuzzy Inference System (FIS) is a method of fuzzy rules extraction. The rules output is a linear function of inputs. In addition, these rules are...
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Performance of Chaotic Lu System in CDMA Satellites Communications Systems
December 25, 2010, 12:00am PST
This paper investigates the problem of spreading sequence and receiver code synchronization techniques for satellite based CDMA communications systems. The performance of CDMA system depends on...
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Implementation of RC5 Block Cipher Algorithm for Image Cryptosystems
December 25, 2010, 12:00am PST
This paper examines the implementation of RC5 block cipher for digital images along with its detailed security analysis. A complete specification for the method of application of the RC5 block...
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Transmitter Design for LMS-MIMO-MCCDMA Systems With Pilot Channel Estimates and Zero Forcing Equalizer
January 4, 2011, 12:00am PST
The authors propose a downlink Multiple-Input MultipleOutput (MIMO) Multi-Carrier Code Division Multiple Access (MCCDMA) system with adaptive beamforming algorithm for smart antennas. The...
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Multi-View Description of Real-Time Systems' Architecture
June 16, 2009, 12:00am PDT
Real-time embedded systems should benefit from component-based software engineering to handle complexity and deal with dependability. In these systems, applications should not only be logically...
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Evolutionary Decision Trees and Software Metrics for Module Defects Identification
June 16, 2009, 12:00am PDT
Software engineering describes the collection of techniques that apply an engineering approach to the construction and support of software products. Software engineering activities include...
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A Four Architectures to Locate Mobile Users Using Statistical Mapping of WLANs in Indoor and Outdoor Environments-Loids
June 20, 2009, 12:00am PDT
These days wireless local area networks has become very popular, when the initial IEEE802.11 is the standard for providing wireless connectivity to automatic machinery, equipment and stations that...
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A Complexity Measure for JavaBean Based Software Components
June 20, 2009, 12:00am PDT
The traditional software product and process metrics are neither suitable nor sufficient in measuring the complexity of software components, which ultimately is necessary for quality and...
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Wireless Healthcare Monitoring System for Home
June 20, 2009, 12:00am PDT
A healthcare monitoring system is presented in this paper. This system is based on ultra-low power sensor nodes and a personal server, which is based on hardware and software extensions to a...
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Hippocratic Database : A Privacy-Aware Database
June 20, 2009, 12:00am PDT
Nowadays, organizations and business has several motivating factors to protect an individual's privacy. Confidentiality refers to type of sharing information to third parties. This is always...
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Using Multimedia in Computer Based Learning (CBL) a Case Study: Teaching Science to Student
June 20, 2009, 12:00am PDT
Education is needed in every aspect of human life. The development and exchange speed is so high in the communication world that every individual and society attempts to adapt itself. The...
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User Acceptance of Location-Based Services
June 17, 2009, 12:00am PDT
Location-Based Services (LBS) exploit the known location of a user to provide services dependent on their geographic context and personalized needs. The development and arrival of broadband mobile...
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Collaborative Document Evaluation: An Alternative Approach to Classic Peer Review
June 17, 2009, 12:00am PDT
Research papers are usually evaluated via peer review. However, peer review has limitations in evaluating research papers. In this paper, Scienstein and the new idea of 'Collaborative document...
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A New Framework and a Model for Product Development With an Application in the Telecommunications Services Sector
June 17, 2009, 12:00am PDT
This paper argues that a product development exercise involves in addition to the conventional stages, several decisions regarding other aspects. These aspects should be addressed simultaneously...
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Intelligent Mobile Search Oriented to Global e-Commerce
June 17, 2009, 12:00am PDT
In this paper the authors propose a novel approach for searching e-Commerce products using a mobile phone, illustrated by a prototype eCoMobile. This approach aims to globalize the mobile search...
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A New Scheduling Algorithm Based on Traffic Classification Using Imprecise Computation
June 12, 2009, 12:00am PDT
Wireless channels are characterized by more serious bursty and location-dependent errors. Many packet scheduling algorithms have been proposed for wireless networks to guarantee fairness and delay...
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Analytical Model of Connection Establishment Duration Calculation in Wireless Networks
June 12, 2009, 12:00am PDT
It is important to provide possibility of so called "Handover" for the mobile subscriber from GSM network to Wi-Fi network and back. To solve specified problem it is necessary to estimate...
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The AOP Research Based on Enterprise Application
June 12, 2009, 12:00am PDT
Aspect Oriented Programming is a new design method. It is the further development of Object Oriented Programming method. It has been a kind of mature programming idea at present. This method has...
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Calibration Method for an Augmented Reality System
June 12, 2009, 12:00am PDT
In geometrical camera calibration, the objective is to determine a set of camera parameters that describe the mapping between 3D references coordinates and 2D image coordinates. In this paper, a...
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Learner Model in Adaptive Learning
June 12, 2009, 12:00am PDT
Formerly, Learning Management Systems (LMS) support well for interaction between learner and lesson, learner and teacher. However, every student has individual features such as: knowledge, goal,...
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Bearing Fault Feature Extraction by Recurrence Quantification Analysis
June 12, 2009, 12:00am PDT
In rotating machinery one of the critical components that are prone to premature failure is the rolling bearing. Consequently, early warning of an imminent bearing failure is much critical to the...
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An Efficient and Optimized Multi Constrained Path Computation for Real Time Interactive Applications in Packet Switched Networks
January 5, 2011, 12:00am PST
Quality of Service (QoS) routing aims to find path between source and destination, satisfying the QoS requirements; to efficiently use the network resources and underlying routing algorithm; and...
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Optimization of Distribution Network Configuration for Loss Reduction Using Artificial Bee Colony Algorithm
June 12, 2009, 12:00am PDT
Network reconfiguration in distribution system is realized by changing the status of sectionalizing switches to reduce the power loss in the system. This paper presents a new method which applies...
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A Novel Method for the Characterization of Synchronization and Coupling in Multichannel EEG and ECoG
June 13, 2009, 12:00am PDT
In this paper the authors introduce a novel method for the characterization of synchronziation and coupling effects in multivariate time series that can be used for the analysis of EEG or ECoG...
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Fingerprint Identification Keyless Entry System
June 13, 2009, 12:00am PDT
Nowadays, keyless entry systems are widely adopted for vehicle immobilizer systems due to both advantages of security and convenience. Keyless entry systems could overcome brute-force key guessing...
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Implementation of an Improved Secure System Detection for e-Passport by Using EPC RFID Tags
January 8, 2010, 12:00am PST
Current proposals for E-passport or ID-Card is similar to a regular passport with the addition of tiny contactless integrated circuit (computer chip) inserted in the back cover, which will act as...
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Applications of Stable Distributions in Time Series Analysis, Computer Sciences and Financial Markets
June 17, 2009, 12:00am PDT
In this paper, first the authors introduce the stable distribution, stable process and theirs characteristics. The รก -stable distribution family has received great interest in the last decade due...
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The Effect of Risky Assets to Operating Efficiencies for Listed Securities Firms in Taiwan Using the Data Envelopment Analysis
January 6, 2011, 12:00am PST
This paper employs a the variable returns to scale DEA model to take account of risky assets and estimate the operating efficiencies for the 21 domestic listed securities firms during the period...
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Data Extraction of XML Files Using Searching and Indexing Techniques
June 17, 2009, 12:00am PDT
XML files contain data which is in well formatted manner. By studying the format or semantics of the grammar it will be helpful for fast retrieval of the data. There are many algorithms which...
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A Middleware System Between WEB and Database Servers
June 20, 2009, 12:00am PDT
This paper aims at improving web server performance by establishing a middleware layer between web and database servers, which minimizes the overload on the database server. A middleware system...
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Design and Implementation of Client Server Network Management System for Ethernet LAN
June 13, 2009, 12:00am PDT
Network Management Systems have played a great important role in information systems. Management is very important and essential in any fields. There are many managements such as configuration...
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Implementing a Prototype System for Power Facility Management Using RFID/WSN
June 9, 2009, 12:00am PDT
Firstly, research and development on RFID focuses on manufacturing and retail sectors, because it can improve supply chain efficiency. But, now a variety of field is considered the next research...
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Security Analysis of Password Hardened Multimodal Biometric Fuzzy Vault
September 10, 2009, 12:00am PDT
Biometric techniques are gaining importance for personal authentication and identification as compared to the traditional authentication methods. Biometric templates are vulnerable to variety of...
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Computer Proven Correctness of the Rabin Public-Key Scheme
June 9, 2009, 12:00am PDT
The authors describe a formal specification and verification of the Rabin public-key scheme in the formal proof system Isabelle/ HOL. The idea is to use the two views of cryptographic...
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A Multi-Level WEB Based Parallel Processing System a Hierarchical Volunteer Computing Approach
June 8, 2009, 12:00am PDT
Over the past few years, a number of efforts have been exerted to build parallel processing systems that utilize the idle power of LAN's and PC's available in many homes and corporations. The main...
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Collaborative Professional Education for e-Teaching in Networked Schools
June 16, 2009, 12:00am PDT
Networked schools have become a feature of education systems in countries that seek to provide learning opportunities in schools located beyond major centres of population. The internet and...
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Optimal Placement of Processors Based on Effective Communication Load
June 16, 2009, 12:00am PDT
This paper presents a new technique for the optimum placement of processors to minimize the total effective communication load under multi-processor communication dominated environment. This is...
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Towards a New Methodology for Developing Web-Based Systems
June 17, 2009, 12:00am PDT
Web-based systems have become increasingly important due to the fact that the Internet and the World Wide Web have become ubiquitous, surpassing all other technological developments in the...
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Component Based Framework for Authoring and Multimedia Training in Mathematics
June 17, 2009, 12:00am PDT
The new programming technologies allow for the creation of components which can be automatically or manually assembled to reach a new experience in knowledge understanding and mastering or in...
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Supercompression for Full-HD and 4k-3D (8k) Digital TV Systems
January 17, 2011, 12:00am PST
In this work, the authors developed the concept of supercompression, i.e., compression above the compression standard used. In this context, both compression rates are multiplied. In fact,...
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A Genetic Algorithm for Clustering on Image Data
December 30, 2010, 12:00am PST
Clustering is the process of subdividing an input data set into a desired number of subgroups so that members of the same subgroup are similar and members of different subgroups have diverse...
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A Web Designer Agent, Based on Usage Mining Online Behavior of Visitors
June 7, 2009, 12:00am PDT
Website plays a significant role in success of an e-business. It is the main start point of any organization and corporation for its customers, so it's important to customize and design it...
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Safety Automation of Cars Using Embedded Microcontrollers
June 7, 2009, 12:00am PDT
Recent widespread use of information and communication technology has greatly changed information security risks that businesses and institutions encounter. Along with this situation, in order to...
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Parallel Branch and Bound Model Using Logarithmic Sampling (PBLS) for Symmetric Traveling Salesman Problem
June 7, 2009, 12:00am PDT
Very Large and/or computationally complex optimization problems sometimes require parallel or high performance computing for achieving a reasonable time for computation. One of the most popular...
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Interactive Agents With Artificial Mind
December 30, 2010, 12:00am PST
This paper discusses an artificial mind model and its applications. The mind model is based on some theories which assert that emotion is an important function in human decision making. An...
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Design and Bandwidth Allocation of Embedded ATM Networks Using Genetic Algorithm
June 8, 2009, 12:00am PDT
In this paper, genetic algorithm (GA) is proposed for the design of an optimization algorithm to achieve the bandwidth allocation of ATM network. In Broadband ISDN, the ATM is a high-bandwidth;...
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A Simplified Single Correlator Rake Receiver for CDMA Communications
June 8, 2009, 12:00am PDT
This paper presents a single correlator RAKE receiver for direct sequence code Division Multiple Access (DS-CDMA) systems. In conventional RAKE receivers, multiple correlators are used to despread...
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Dynamic Admission Control for Quality of Service in IP Networks
June 8, 2009, 12:00am PDT
The goal of admission control is to support the Quality of Service demands of real-time applications via resource reservation in IP networks. In this paper the authors introduce a novel Dynamic...
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A Comparative Study on Available IPv6 Platforms for Wireless Sensor Network
November 21, 2010, 12:00am PST
The low power wireless sensor devices which usually uses the low power wireless private area network (IEEE 802.15.4) standard are being widely deployed for various purposes and in different...
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Specification of a Model of Honeypot Attack Based on Raised Data
June 9, 2009, 12:00am PDT
The security of their network remains the priorities of almost all companies. Existing security systems have shown their limit; thus a new type of security systems was born: honeypots. Honeypots...
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Network Based Intrusion Detection and Prevention Systems in IP-Level Security Protocols
June 18, 2009, 12:00am PDT
IPsec has now become a standard information security technology throughout the Internet society. It provides a well-defined architecture that takes into account confidentiality, authentication,...
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Fortification for P2P Grid Computing Used for Resource Discovery
September 13, 2010, 12:00am PDT
Grid computing provides an effective infrastructure for massive computation among flexible and dynamic collection of individual system for resource discovery. The major challenge for grid...
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Wireless Network Visualization and Indoor Empirical Propagation Model for a Campus WI-FI Network
June 20, 2009, 12:00am PDT
With the increasing use of mobile computing devices such as PDAs, laptops, and an expansion of Wireless Local Area Networks (WLAN), there is growing interest in optimizing the WLAN infrastructure...
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Strategic Software Development: Productivity Comparisons of General Development Programs
September 14, 2010, 12:00am PDT
Productivity has been one of the major concerns with the increasingly high cost of software development. Choosing the right development language with high productivity is one approach to reduce...
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A New Method in Improving Database Connection Pool Model
September 14, 2010, 12:00am PDT
In this paper, the present database connection pool is optimized through two fashions which are automatically adjusting the configuration parameters of the connection pool and optimizing the...
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Walsh-Hadamard Transform for Facial Feature Extraction in Face Recognition
September 14, 2010, 12:00am PDT
This Paper proposes a new facial feature extraction approach, Wash-Hadamard Transform (WHT). This approach is based on correlation between local pixels of the face image. Its primary advantage is...
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Use XML Format Like a Model of Data Backup
September 14, 2010, 12:00am PDT
Nowadays data backup format doesn't cease to appear raising so the anxiety on their accessibility and their perpetuity. XML is one of the most promising formats to guarantee the integrity of data....
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Architectural, Technological and Performance Issues in Enterprise Applications
September 14, 2010, 12:00am PDT
Enterprise applications are complex systems that are hard to develop and deploy in organizations. Although software application development tools, frameworks, methodologies and patterns are...
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Selecting Materialized Views Using Two-Phase Optimization With Multiple View Processing Plan
September 14, 2010, 12:00am PDT
A Data Warehouse (DW) is a system which has value and role for decision-making by querying. Queries to DW are critical regarding to their complexity and length. They often access millions of...
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An Interactive Ontology Visualization Approach for the Networked Home Environment
September 14, 2010, 12:00am PDT
Ontologies are broadly used in the context of networked home environments. With ontologies it is possible to define and store context information, as well as to model different kinds of physical...
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An Investigation on the Variation of Software Development Productivity
September 14, 2010, 12:00am PDT
The productivity of software development is one of the major concerns for project managers. Given the increasing complexity of the software being developed and the concomitant rise in the typical...
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Mining Frequent Patterns With Functional Programming
September 14, 2010, 12:00am PDT
Frequent patterns are patterns such as sets of features or items that appear in data frequently. Finding such frequent patterns has become an important data mining task because it reveals...
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An Examination of the Factors Influencing Software Development Effort
September 14, 2010, 12:00am PDT
Effective evaluation of software development effort is an important aspect of successful project management. Based on a large database with 4106 projects ever developed, this paper statistically...
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Customer Segmentation in Foreign Trade Based on Clustering Algorithms
September 14, 2010, 12:00am PDT
The goal of this paper is to segment the countries based on the value of export from Iran during 14 years ending at 2005. To measure the dissimilarity among export baskets of different countries,...
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Encryption Efficiency Analysis and Security Evaluation of RC6 Block Cipher for Digital Images
August 21, 2010, 12:00am PDT
This paper investigates the encryption efficiency of RC6 block cipher application to digital images, providing a new mathematical measure for encryption efficiency, which we will call the...
Provided by World Academy of Science, Engineering and Technology
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