NORTH ATLANTIC UNIVERSITY UNION

Displaying 81-120 of 134 results

  • White Papers // Sep 2010

    An Adaptive Modeling Approach in Collaborative Data and Process-Aware Management Systems

    Informational systems are used to reflect the business they are supposed to assist. This is the reason why each informational system needs a representation of the business objects that are involved in the processes and also the business rules that are applied to the business objects. Every object is simpler...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Sep 2010

    Development of a Visualization Tool for XML Documents

    The authors present the development of a prototype system called Angur, which is designed and built for visualization of XML documents. There two main motivations of this paper: to allow the users to explore and manipulate XML documents and to display the search results graphically, in two or three dimensions,...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Sep 2010

    Concurrent Differential Evolution Based on MapReduce

    Multi-core processors, which have more than one Central Processing Unit (CPU), have been introduced widely into personal computers. Therefore, in order to utilize the additional cores, or CPUs, to execute various costly application programs, concurrent implementations of them have been paid to attention. MapReduce is a concurrent programming model and...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Sep 2010

    Clustering of EEG Data Using Maximum Entropy Method and LVQ

    The study of Extracting ElectroencephaloGram (EEG) data as a source of significant information has recently gained attention. However, since EEG data are complex, it is difficult to extract them as a source of intended, significant information. In order to effectively extract EEG data, this paper employs the Maximum Entropy Method...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Sep 2010

    An Intelligent Web-Based GRA/Cointegration Analysis for Systematic Risk

    A new intelligent web-based Grey Relational Analysis (GRA)/cointegration analysis is proposed to examine the effects of cross-border bank M&As on the systematic risk that took place in the American, Asia, Europe, Africa and Middle East of banks in this paper. The potential diversification gains that arise from geographic or cross-border...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Sep 2010

    Handoff Tactics for NEMO and Integrated Network

    The authors aim to revise the handoff method for NEMO and integrated 3G and NEMO network. These methods include horizontal handoff in NEMO and vertical handoff in integrated 3G and NEMO network. This paper took advantage of the NEMO's characteristics to propose a novel horizontal handoff method. Besides, they adopt...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Sep 2010

    WiMAX Network Design for Cost Minimization and Access Data Rate Guarantee Using Multi-Hop Relay Stations

    Network cost and network quality of services are important concerns in the widespread deployment of WiMAX networks. This paper presents a novel network design and optimization model for mobile WiMAX access networks utilizing multi-hop relays. The proposed model aims to determine optimal locations of base stations and relay stations so...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Sep 2010

    A Compact Internal Planar Antenna With a Capacitive Tuner for 3G and 4G Mobile Phone Application

    There have been many antenna designs studied and developed in 3G mobile phone applications. Multiband operation has become a basic requirement for internal antennas to be used in the mobile phone for wireless communication system. These papers are evaluated the multiband antenna operation for the application in 3G wireless communication...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Aug 2010

    A Multi-Agent Geo-Simulation Model for Intelligent Sensor Web Spatial Coverage Management Using IVGE

    A Sensor Web (SW) consists of a large collection of small nodes providing collaborative and distributed sensing abilities in unpredictable environments. Nodes composing such a SW are characterized by resource restrictions, especially energy, processing power, and communication capacities. A sensor web can be thought of as a spatially and functionally...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2010

    An Intelligent Distributed Algorithm for Efficient Web Image Retrieval

    Web image retrieval is a challenging task that requires efforts from image processing, web text retrieval, and link structure analysis. General web image retrieval engines such as Google and Yahoo retrieve images according to the meta-data or the context in which the images are found. Hence, the results search engines...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2010

    A Testing Theory for Real-Time Systems

    The authors develop a testing theory for real-time systems. They keep the usual notion of success or failure (based on finite runs) but they also provide a mechanism of determining the success or failure of infinite runs, using a formalism similar to the acceptance in Buchi automata. They present two...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2010

    Analysis of SAR Reduction of Mobile Phones in Heterogeneous Media

    The mutual effect of symmetrical electric dipoles located in the near region of each other is considered. The problem is solved with due account of the space heterogeneity. The results are applied to the compensation method for losses reduction in head of phone user. The cellular phone antennas PIFA and...

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  • White Papers // Jun 2010

    Throughput and Power Consumption Comparisons of Zigbee-based and ISM-Based Implementations of WSAN

    Wireless sensor and actuator networks have expanding applications which requires better throughput, power efficiency and cost effectiveness. This paper intends to contribute to the growing pool of knowledge on WSAN especially in the design for novel applications such as image or video over WSANs, and solar energy and RF energy...

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  • White Papers // Mar 2010

    A Printed Monopole Antenna for Cellular Handsets

    In this paper, the authors propose a modified monopole antenna for use as internal antenna in mobile handsets. In this antenna, called the MB antenna, the radiating element (monopole) is implemented in parallel to a ground plane, without degradation of its radiation characteristics. Simulations show that the MB antenna performs...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2010

    Creating a Service Oriented Architectural Model for Emergency Vehicles

    Finnish police cars have about 40 different user interfaces (radio, navigation, command and control systems, radar, alarm lights, etc.) on the deck beyond the cars' standard user interfaces. In cold weather conditions, not all police vehicles are creating enough electricity for intensive operations. Also, wiring and ergonomics are problematic. The...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2010

    3D Battlefield Modeling and Simulation of War Games

    In this paper, a real time 3D virtual simulation software for visualizing the military battlefields was developed. Developed software, named Sandbox, used elevation data stored in DEM format corresponding to the battlefield. Sandbox uses this data to create the platform on which the military units will be added. Different military...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2010

    New Aspect on Wireless Communication Networks

    This paper provides a detailed picture on computer networks and especially on wireless networks, focusing on specific characteristics of wireless systems. By using MIMO technology (Multiple Input Multiple Output), network logon can be realized at distances much greater. The use of antennas allows reception and transmission of multiple data streams...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2010

    Information Security Risks for Satellite Tracking

    Satellite tracking is one of the most rapidly growing service business areas in the world, and there are already many commercial applications available. Benefits of the service for the customer are advertised, but very seldom there is any mention of information security of the system. Modern satellite tracking systems contain...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Nov 2009

    Viewpoint of Probabilistic Risk Assessment in Information Security Audit

    After the information security audit, the auditor commonly points out the importance of information assets, the vulnerability of the audited information system, and the need of countermeasures. On such an occasion, the audited often ask the auditor for the quantitative assessment of the risk so that they can take specific...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Sep 2009

    Fingerprint Watermark Embedding by Discrete Cosine Transform for Copyright Ownership Authentication

    In respect to the issues on protecting intellectual property, particular for artistic works in electronic form, some sorts of techniques could be put on a copyright material image to ensure its ownership authentication. In this paper, signatories' biometric fingerprint watermark message in digital format will be embedded into a copyright...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Aug 2009

    Novel Approach for Optimization of Cell Planning and Capacity

    Configuration, cost, base station output power are important resources in cellular mobile radio systems. The main idea of cell planning is the maximize capacity in another words number of subscribers and minimize cost at the same time. In a GSM system, where coverage areas are divided into cells in planning...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Aug 2009

    Generic Interactive Natural Language Interface to Databases (GINLIDB)

    To override the complexity of SQL and to facilitate the manipulation of data in databases for common people (not SQL professionals), many researches have turned out to use natural language instead of SQL. The idea of using natural language instead of SQL has prompted the development of new type of...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2009

    Simulation of Distributed Multi-Pump Raman Amplifiers in Different Transmission Media

    Three types of distributed Raman amplifiers; forward, backward and bidirectional pumping configurations are simulated and compared in this paper. Since the nonlinear effect of the fiber type is an important parameter in determining the simulation process, two types of fibers are used in the authors' simulation; Z-fiber and Dispersion Shifted...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2009

    On Optimizing the Planning of Multi-hop Wireless Networks Using a Multi Objective Evolutionary Approach

    The optimization problem of planning Wireless Mesh Networks (WMNs) is a challenging problem that has been regarded as a cost-minimization problem, while other pertinent Quality of Service (QoS) criteria are modeled as constraints to be satisfied. The authors propose a novel approach that models, to some realistic extent, the problem...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2009

    Secure and Energy Efficient Geocast Protocol for Sensor Networks With Misbehaving Nodes

    Geocast sends packets to all sensor nodes within a specified geographical region in order to gather data from sensor nodes in that region and is an important mechanism in sensor networks. In this paper, the authors first introduce an energy-efficient geocast protocol. The proposed protocol builds multicast tree connecting geocast...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2009

    Passive UHF RFID Tags in Arctic Environment

    Radio Frequency IDentification (RFID) systems are becoming more and more common in several industries. This enhances the requirements of tag antennas. Especially in logistics and supply chain management, which are major applications for RFID, the operating environment is expanding all the time. The identifiable items often travel in very cold,...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2009

    Hierarchical Denormalizing: A Possibility to Optimize the Data Warehouse Design

    Two of the most common processes in database design community include data normalization and de-normalization which play pivotal roles in the underlying performance. Today data warehouse queries comprise a group of aggregations and joining operations. As a result, normalization process does not seem to be an adequate option since several...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2009

    An Empirical Analysis of Relationship Commitment and Trust in Virtual Programmer Community

    Virtual Communities (VCs) have become a forum for programmer seeking knowledge to resolve problems and communicate with each other. The Internet makes participant relatively easy to switch for one VC to another VC that provides similar content or services. However, many VCs have failed due to the reluctance of members...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2009

    DEA-RTA: A Dynamic Encryption Algorithm for the Real-Time Applications

    The Internet and it is applications are hungry for high level of Quality of Service (QoS), and most of the Internet applications seek to minimize packets delay, especially, the Real-Time Applications (RTA). QoS is considered as a major issue in the Internet, where RTA services like IPTelephony and XoIP become...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2009

    Analyzing Distribution of Traffic Capacity

    In this paper, an evaluation of the network routing algorithms is made. In a real network, it is expected to find a mix of traffic capacities corresponding to different qualities of the video signal. This mix seems to be composed of a majority of smaller traffic capacities (poorer video signal)...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2009

    Consumers' Behaviour Towards Internet Technology and Internet Marketing Tools

    The accessibility of the Internet and lower costs of doing transactions has given rise in customers bargaining power and intense global competition. Although the Internet has great potential for consumer value reports indicate that consumers vary in their levels of Internet adoption. Among the factors causing consumers lack of adoption...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2009

    Introducing Mobile Home Agents into the Distributed Authentication Protocol to Achieve Location Privacy in Mobile IPv6

    Mobile IPv6 will be the basis for the fourth generation 4G networks which will completely revolutionize the way telecommunication devices operate. This paradigm shift will occur due to the sole use of packed switching networks. Mobile IPv6 utilizes binding updates as a route optimization to reduced triangle routing between the...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jan 2009

    Chaotic Sequences Implementations on Residue Number Spread Spectrum System

    In this paper, the performance of chaotic code generators implemented in spread spectrum communication system is analyzed and compared to those using conventional pseudo random code generators as maximum length, gold code generators. Image is used as a data source and the histogram of the spreaded image is analyzed. Applicability...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jan 2009

    A New Approach for Reduction of Redundancy Using Optimal Time Domain Sampling and Interpolation

    In this paper, the authors consider a general method, based on time domain samples for spectral manipulation of the timelimited signals. In this direction, all of the needed formulas for practical periodic time-limited interpolation in two cases of low pass and band pass have been derived. The paper begins with...

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  • White Papers // Jan 2009

    A Modular Encoder Design Scheme for Turbo-Encoded BPPM-OCDMA System

    A Turbo-encoded Optical Code Division Multiple Access (OCDMA) system has been simulated and an application specific design process has been proposed to implement a Turbo-encoded OCDMA modulated using Binary Pulse Position Modulation (BPPM) for transmission over optical fiber channels. The design process follows a modular approach and consists of four...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jan 2009

    Web Page Information Architecture Formalization Method and It's an Example

    In this paper, the authors proposed a formalization method of Web page information architecture by regular expression for checking its structure. This method classifies structure elements of a Web page in attributes on the basis of an idea of the Web information architecture, and it's expressed by two types of...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jan 2009

    Increasing Level of Correctness in Correlation with McCabe Complexity

    The scope of the authors' research is finding a correlation between the correctness indicator and the McCabe complexity indicator for software programs. For this, the correctness and McCabe complexity indicators will be calculated for a simple program, written in C programming language. The computations will be made for each program...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jan 2009

    Adaptation of Satellite Navigation for Pedestrians with Electronic Compass

    Despite constantly improving medical techniques it is still impossible to cure many severe vision defects which causes great demand for developing new techniques that could help visually impaired persons to get through chores of everyday life. GPS navigation is the most valuable technology but currently available consumer GPS receivers do...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jan 2009

    Validation Methods of Suspicious Network Flows for Unknown Attack Detection

    The false rate of the detection methods which are based on abnormal traffic behavior is a little high and the accuracy of the signature generation is relatively low. Moreover, it is not suitable to detect exploits and generate its signature. In this paper, the authors have presented ZASMIN (Zeroday-Attack Signature...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jan 2009

    A Modular Encoder Design Scheme for Turbo-ncoded BPPM-OCDMA System

    A Turbo-encoded Optical Code Division Multiple Access (OCDMA) system has been simulated and an application specific design process has been proposed to implement a Turbo-encoded OCDMA modulated using Binary Pulse Position Modulation (BPPM) for transmission over optical fiber channels. The design process follows a modular approach and consists of four...

    Provided By NORTH ATLANTIC UNIVERSITY UNION