Scientific Research

Displaying 41-80 of 351 results

  • White Papers // Sep 2013

    New Theoretical Aspects of Software Engineering for Development Applications and E-Learning

    In this paper, the authors present new theoretical aspects of software engineering which oriented on product lines for building applied systems and software product families from readymade reusable components in conditions of program factories. These aspects are the new disciplines such as the theory of component programming; models variability and...

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  • White Papers // Sep 2013

    Measuring Qualities of XML Schema Documents

    The eXtensible Markup Language (XML) is becoming a de-facto standard for exchanging information among the web applications. Efficient implementation of web application needs to be efficient implementation of XML and XML schema document. The quality of XML document has great impact on the design quality of its schema document. Therefore,...

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  • White Papers // Sep 2013

    Towards Enhanced Program Comprehension for Service Oriented Architecture (SOA) Systems

    Service Oriented Architecture (SOA) is an emerging paradigm for orchestrating software components to build new composite applications that enable businesses, government agencies and other organizations to collaborate across institutional boundaries. SOA offers new languages and a variety of software development tools that enable software engineers to configure software as services...

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  • White Papers // Sep 2013

    Improving Parallelism in Software Development Process

    Software development process basically consists of phases, planned and executed in series: feasibility study; requirements; design and implementation, prior to production and maintenance. At the end of each phase, there may be an official management decision (go/not go) depending upon cost, time or other reasons. Within each phase or across-phases,...

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  • White Papers // Aug 2013

    Three-Dimensional Simulations with Fields and Particles in Software and Inflector Designs

    As already pointed out, fields and particles are two the most important modeling paradigms in pure and applied science at all. Particles are primarily used in one of the two ways in large scientific applications. Particles and fields represent two major modeling paradigms in pure and applied science at all....

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  • White Papers // Jul 2013

    Introducing Intelligent Agents Potential Into a Competent Integral Multi-Agent Sensor Network Simulation Architecture Design

    In this paper, the authors spot several key issues concerning WSN design process and how to introduce intelligence in the motes. Due to the nature of these networks, debugging after deployment is unrealistic, thus an efficient testing method is required. WSN simulators perform the task, but still code implementing mote...

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  • White Papers // Jun 2013

    OMT-G Modeling and Cloud Implementation of a Reference Database of Addressing in Morocco

    A reference database of addressing is an important resource for urban applications. The efficiency of an addressing sys-tem depends on both data quality and technical architecture. Data must respect a standard model that is flexible to meet different cases in the field. The technical architecture should be service oriented to...

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  • White Papers // Jun 2013

    An Efficient Approach for Agile Web Based Project Estimation: AgileMOW

    There exist numerous sophisticated models and methods for estimating the size, cost and schedule of software projects. However, the ability to accurately predict the software cost of web based software for agile software projects is still dubious. The most appropriate web based software cost estimation in an agile software development...

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  • White Papers // Jun 2013

    Opportunistic Unicast and Multicast Routing Protocol for VANET

    Vehicular Ad hoc NETwork (VANET) is a new paradigm of wireless network. Reliable and efficient unicast and multi-cast routing protocols are critical for VANETs. As a possible solution, Opportunistic Routing (OR) has received much attention recently. This paper focuses on the aspect of soft security by building trust opportunistic forwarding...

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  • White Papers // May 2013

    Framework of User Participation for the Interface Design in the SaaS Layer

    The development of software as a service represents a great advantage for the users of cloud computing, such as users of small, medium or large organizations. All these users possess different characteristics, which must be taken into account as reference for the interface development of a software product. This paper...

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  • White Papers // May 2013

    A Hybrid Evaluation Framework of CMM and COBIT for Improving the Software Development Quality

    It is essential to study quality of software production like others. Software productions have special properties. They are intangible. So, qualitative evaluation encountered with complexity. Hence, proposing a model in order to evaluate the quality of software productions is considerable to most software managers and experts. In this paper, regarding...

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  • White Papers // Apr 2013

    An Approach to Developing a Performance Test Based on the Tradeoffs From SW Architectures

    A quality of SoftWare (SW) is directly related to its performance testing, in which the system's efficiency and reliability are assessed. In a performance test, the standards for assessing its test results are not sufficiently determined due to the lack of a well-structured test developing methods which are found in...

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  • White Papers // Apr 2013

    A Bootstrapping Approach for Software Reliability Measurement Based on a Discretized NHPP Model

    Discrete software reliability measurement has a proper characteristic for describing a software reliability growth process which depends on a unit of the software fault-detection period, such as the number of test runs, the number of executed test cases. This paper discusses discrete software reliability measurement based on a discretized Non-Homogeneous...

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  • White Papers // Apr 2013

    Lognormal Process Software Reliability Modeling with Testing-Effort

    The authors propose a software reliability growth model with testing-effort based on a continuous-state space stochastic process, such as a lognormal process, and conduct its goodness-of-fit evaluation. They also discuss a parameter estimation method of their model. Then, they derive several software reliability assessment measures by the probability distribution of...

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  • White Papers // Apr 2013

    Source-to-Source Translation and Software Engineering

    Source-to-source translation of programs from one high level language to another has been shown to be an effective aid to programming in many cases. By the use of this approach, it is sometimes possible to produce software more cheaply and reliably. However, the full potential of this technique has not...

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  • White Papers // Mar 2013

    An Ad-Hoc Low Cost Wireless Sensor Network for Smart Gas Metering

    The monitoring of power consumption has become of a great interest in recent years as well as the innovative technologies available to realize Wireless Sensor Networks (WSNs) have experienced a great growth. While smart metering technologies for electric energy are already established, as sensors power supply comes directly from power...

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  • White Papers // Mar 2013

    Collaborative Design Theory and Related Key Technology Study Based on Cloud Computing

    Analyzes the main way of product distribution for collaborative design. According to the requirement of manufacturing collaborative design, apply cloud computing in manufacturing collaborative design and come up the concept of product collaborative cloud design. Study the product collaborative design theory based on cloud computing and the general key technology...

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  • White Papers // Mar 2013

    Using UML Behavioral Model to Support Aspect Oriented Model

    Aspect oriented software development is an emerging paradigm of software development. The notion of this technique is separation of concerns which means to implement each concern in a single object in object oriented programming but still there are concerns which are distributed on different objects and are called crosscutting concerns...

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  • White Papers // Mar 2013

    Selection and Research for Online Registration System's Database System

    Based on the Online Registration System (ORS) characteristics and key technology analysis, this paper points out that that a good performance and high stability of the ORS lies in the choice of the system database. Database clustering technology which has merits such as concurrent processing, easy expansion, and high security...

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  • White Papers // Mar 2013

    Identification and Check of Inconsistencies between UML Diagrams

    Relationships between Unified Modeling Language (UML) diagrams are complex. The complexity leads to inconsistencies between UML diagrams easily. This paper focus on how to identify and check inconsistencies between UML diagrams. 13 consistency rules are given to identify inconsistencies between the most frequent 6 types of UML diagrams in the...

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  • White Papers // Feb 2013

    A Novel Optical Control Plane for Switching an Electro-Optical Hybrid Node in Translucent WDM Optical Networks

    In a translucent network scenario, development of an Optical Control Plane (OCP) that is aware of the location and number of available regenerators and All-Optical Wavelength Converters (AOWCs) is of paramount importance. However, current Generalized MultiProtocol Label Switching (GMPLS) protocol suite does not consider the distribution of regenerator and AOWC...

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  • White Papers // Feb 2013

    Stochastic Modeling of Database Backup Policy for a Computer System

    As the computer system has developed much in this highly information-oriented society, database security has become a very important problem and its backup strategies need to be made more efficiently and safety. The image copy method has been used as the most simple and dependable recovery mechanism for media failure....

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  • White Papers // Feb 2013

    Numerical Methods for Solving Turbulent Flows by Using Parallel Technologies

    Parallel implementation of algorithm of numerical solution of Navier-Stokes equations for large eddy simulation (LES) of turbulence is presented in this research. The Dynamic Smagorinsky model is applied for sub-grid simulation of tur-bulence. The numerical algorithm was worked out using a scheme of splitting on physical parameters. At the first...

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  • White Papers // Feb 2013

    Collision Resolution MAC Protocols for Wireless Ad Hoc Networks

    In wireless ad hoc networks, nodes cooperatively form a network without any infrastructure such as a BS/AP (Base Station or Access Point). The widely-used contention-based MAC protocol, IEEE 802.11b, is inefficient in multi-hop networks due to the hidden and exposed terminal problems. The most popular schedule-based MAC protocol, TDMA (Time...

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  • White Papers // Feb 2013

    Fairness Assurance through TXOP Tuning in IEEE 802.11p Vehicle-to-Infrastructure Networks for Drive-Thru Internet Applications

    In this paper, the authors addresses an unfairness problem that exists among vehicles of distinct velocities in IEEE 802.11p based Vehicle-To-Infrastructure (V2I) networks used for drive-thru Internet applications. The standard IEEE 802.11p does not take into account, the residence time of vehicles within the coverage of each Road Side Unit...

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  • White Papers // Feb 2013

    Multi-Source Spatial Data Distribution Model and System Implementation

    The multi-source spatial data distribution is based on WebGIS, and it is an important part of multi-source geographic information management system. A new multi-source spatial data distribution model is proposed on the basis of multi-source data storage model and by combining existing map distribution technology. The author developed a multi-source...

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  • White Papers // Feb 2013

    Faster Method for Secure Transmission of Information with Sender Identification

    In this paper, the authors describes an algorithm for secure transmission of information via open communication channels based on the discrete logarithm problem. The proposed algorithm also provides sender identification (digital signature). It is twice as fast as the RSA algorithm and requires fifty per cent fewer exponentiations than the...

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  • White Papers // Feb 2013

    A New Approach for Wireless Cellular Network Design

    Wise arrangement of antennas is critical in wireless cellular systems for both reduction of Co-Channel Interference (CCI) and increase the Quality of Service (QoS). In this paper, a novel architecture for antenna arrangement in CDMA wireless cellular systems is presented. In this architecture that the authors called Microzone, every cell...

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  • White Papers // Feb 2013

    Efficient Spam Filtering System Based on Smart Cooperative Subjective and Objective Methods

    Most of the spam filtering techniques are based on objective methods such as the content filtering and DNS/reverse DNS checks. Recently, some cooperative subjective spam filtering techniques are proposed. Objective methods suffer from the false positive and false negative classification. Objective methods based on the content filtering are time consuming...

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  • White Papers // Feb 2013

    Traffic-Distributed Clustering Scheme for Cluster-Based WSNs with Various Non-Uniform Traffic Fluctuations

    In Wireless Sensor Networks (WSNs), it is essential to save energy consumption at Sensor Nodes (SNs). A clustering technique is one of the approaches to save energy consumption, where several neighboring SNs form a cluster and transmit the sensed data to their Cluster Head (CH), and then the CH sends...

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  • White Papers // Jan 2013

    QoS Bandwidth Estimation Scheme for Delay Sensitive Applications in MANETs

    For last few years, Mobile Ad-hoc NETworks (MANETs) have attracted a great interest in case of wireless and multimedia technologies. Infrastructure less nature of MANETs makes Quality of Service (QoS) provisioning very challenging and important research aspect. To find a QoS constrained route from source to destination, the authors should...

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  • White Papers // Jan 2013

    Public-Key Cryptosystems with Secret Encryptor and Digital Signature

    In this paper, the authors describe and compares a variety of algorithms for secure transmission of information via open communication channels based on the discrete logarithm problem that do not require search for a generator (primitive element). Modifications that simplify the cryptosystem are proposed, and, as a result, accelerate its...

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  • White Papers // Jan 2013

    Hybrid Real-Time and Preset Processing for Indoor Radio Geo-Location in Dense Multipath Environments

    The existence of various geo-location applications and their accuracy requirements enhance the necessities for suitable processing techniques to solve the indoor geo-location problems. Since, Impulse Radio Ultra-WideBand (IR-UWB) signals have very short duration pulses; they can provide very accurate ranging and geo-location capability in short range indoor radio propagation environments....

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  • White Papers // Jan 2013

    Optimizing Operating Cost of an Intrusion Detection System

    Very often it so happens that the cost of operating an Intrusion Detection System (IDS) exceeds the cost of purchasing the IDS itself. In such cases, regular operation and maintenance of the system becomes expensive. Thus, it becomes essential to reduce the operating cost of the IDS without compromising on...

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  • White Papers // Jan 2013

    A Novel Decoder Based on Parallel Genetic Algorithms for Linear Block Codes

    Genetic algorithms offer very good performances for solving large optimization problems, especially in the domain of error-correcting codes. However, they have a major drawback related to the time complexity and memory occupation when running on a uniprocessor computer. This paper proposes a parallel decoder for linear block codes, using Parallel...

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  • White Papers // Dec 2012

    Simple GUI Wireless Controller of Quadcopter

    This paper presents the development of remotely operated Quadcopter system. The Quadcopter is controlled through a Graphical User Interface (GUI) where the communication between GUI and Quadcopter is constructed by using wireless communication system. The Quadcopter balancing condition is sensed by FY90 controller and IMU 5DOF sensor. For smooth landing,...

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  • White Papers // Dec 2012

    A New Method for Sensing Cognitive Radio Network under Malicious Attacker

    Cognitive radio has been designed for solving the problem of spectrum scarcity by using the spectrum of primary users who don't use their spectrum on that time. For sensing the spectrum, collaborative spectrum sensing has been utilized because of robustness. In this paper, a new collaborative spectrum method is proposed...

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  • White Papers // Dec 2012

    Performance Analysis of Hybrid MAC Protocol for Cognitive Radio Networks

    The rapid growth in demand for broadband wireless services coupled with the recent developmental work on wireless communications technology and the static allocation of the spectrum have led to the artificial scarcity of the radio spectrum. The traditional command and control model (Static allocation) of spectrum allocation policy allows for...

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  • White Papers // Dec 2012

    Scalable Incremental Network Programming for Multihop Wireless Sensors

    The authors present a network programming mechanism that can flexibly and quickly re-task a large multi-hop network of wireless sensor nodes. Their mechanism allows each sensor node to be incrementally reprogrammed with heterogeneous images of native program code using Rsync block comparison algorithm, point-to-point routing with the BLIP IPv6 stack,...

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  • White Papers // Dec 2012

    Research of Web Real-Time Communication Based on Web Socket

    Regarding the limitations of traditional web real-time communication solutions such as polling, long-polling, flash plug-in, propose that using new coming Web Socket technology in the web real-time communication field, introduce the features of web socket technology, analysis the difference between web socket protocol and HTTP protocol, offer an approach to...

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