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Predicting the cumulative effect of multiple query formulations

Predicting the cumulative effect of multiple query formulati...

引用

international conference on information technology: coding and computing (itcc)

作者： I. Taksa Baruch College CUNY USA

Multiple query formulations (MQF) have been extensively explored and when used, provide considerable improvements in quality of information retrieval on the Web. However, the question of how to formulate a variety of distinctive queries and how many queries are needed in each unique case remains essentially unanswered. In this research we present a process for selecting search terms and formulating multiple short queries from the original long query. We introduce a scaled cumulative query weight (t) function which is based exclusively on the submitted long query. We demonstrate that this function can serve as a predictive variable for the effectiveness of various multiple query formulation methods and can be used algorithmically to determine the operational parameters for a multiple query formulation process.

关键词： information retrieval Search engines Educational institutions Uniform resource locators Natural languages Computational complexity Iris Interactive systems Natural language processing Ink

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Comparison of information technology adoption rates across laggards, innovators and others

Comparison of information technology adoption rates across l...

引用

international conference on information technology: coding and computing (itcc)

作者： R.R. Muduganti S.K. Sogani H. Hexmoor University of Arkansas Fayetteville USA

It is important to predict and analyze user acceptance of information technology in order to address success and failures of technological products. The theory of reasoned action (TRA) has been used for two decades in empirical studies to predict user acceptance of information technology. Agent-based modeling (ABM) is well suited for studying user acceptance of information technology, which is an instance of contingent behavior. In this paper the research was extended on ABM of the TRA by comparing technology adoption rates across varied sections of a population. The authors discussed intention variations among laggards, innovators and the undecided sections of employees in an organization. The implementation is cost effective and easy to use in contrast to the empirical method. The results we produced corroborate the results obtained from the last few decades of empirical research in this field.

关键词： information technology Psychology information analysis Humans Failure analysis Costs Data analysis Impedance Performance analysis Joining processes

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Workflow-oriented grid service composition and scheduling

Workflow-oriented grid service composition and scheduling

引用

international conference on information technology: coding and computing (itcc)

作者： Shaohua Zhang Yuwei Zong Zhigang Ding Jiamao Liu Shanghai Development Center Computer Software Technology Shanghai China Department of Computing Technology Fudan University Shanghai China

ISBN: (纸本)0769523153

The grid and Web service are converging as the WSRF is proposed. The grid not only provides the computing and resources sharing pools, but also supports the electronic business and enterprise applications integration with the composition of grid service. The paper presents a novel semantic composition method and adaptive scheduling algorithm based on grid workflow, which can benefit from the workflow architecture in the composition, visualization, verification, scheduling, execution and monitoring. The method can address semantic issues and automate the composition of grid service, and the algorithm can improve scheduling efficiency when the composite grid service is executed in the grid environment. According to the simulation experiment on the prototype implemented on the GT3, the composition and scheduling have the advantage of efficiency and effectiveness.

关键词： Web services Grid computing Scheduling algorithm Processor scheduling Adaptive scheduling Computer architecture Visualization Monitoring Simple object access protocol XML

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Security design and evaluation in a VoIP secure infrastracture: a policy based approach

Security design and evaluation in a VoIP secure infrastractu...

引用

international conference on information technology: coding and computing (itcc)

作者： V. Casola M. Rak A. Mazzeo N. Mazzoccca Dipartimento di Ingegneria dellInformazione Seconda Universitá di Napoli Aversa Italy Dipartimento di informatica e Sistemistica Universitá degli Studi di Napoli Federico II Napoli Italy

This paper aims at defining security levels of a voice over IP infrastructure during its design phase. The proposed technique uses security policies to express the security statements that could be adopted, and the policy evaluation is based on security metrics to compare policies. The technique first step consists of policy structure definition; the proposed approach is applied on the target VoIP infrastructure. In the second step of the technique, the policy is used to define reference levels against which a security designer can evaluate his design choice or compare the adopted security solution with existing ones.

关键词： Internet telephony information security Access control Access protocols Authentication Art Design methodology information technology

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An image sensor node for wireless sensor networks

An image sensor node for wireless sensor networks

引用

international conference on information technology: coding and computing (itcc)

作者： Zhi-Yan Cao Zheng-Zhou Ji Ming-Zeng Hu School of Computer Science and Technology Harbin Institute of Technology Harbin China

ISBN: (纸本)0769523153

Visual information is the most intuitive information perceived by human. Image sensors are able to provide the visual information for recognition, monitoring and surveillance. Networks of visual sensors are the solution of choice for a number of societal, research, and educational applications. Architectural challenges are posed for designers of image sensor nodes such as computational power, energy consumption, energy sources, communication channels, and sensing capabilities. We discuss the characteristics and requirements for an image sensor node. An image sensor node is designed and implemented for wireless sensor network. It includes an embedded processor, memory, a CMOS image sensor, image acquisition unit, RF module and power unit etc. Power-efficient hardware management strategies are proposed for the image sensor node. Image compression problem of image sensor nodes is discussed in detail.

关键词： Image sensors Wireless sensor networks Humans Image recognition Monitoring Surveillance Sensor phenomena and characterization Energy consumption Communication channels CMOS image sensors

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An integrated course based on educational games

An integrated course based on educational games

引用

international conference on information technology: coding and computing (itcc)

作者： Hye Sun Kim Seong Baeg Kim Department of Computer Education Cheju National University Jeju South Korea

ISBN: (纸本)0769523153

It's not practical to integrate efficiently two subjects in face-to-face education. In this paper, by applying Web technology effectively, we develop a Web-based integrated course about the subjects like computing and English, which represent heterogeneity between each other from the perspective of discipline. We present the integrated course structure and lesson plans at middle schools. Also, we show that our interdisciplinary approach could be plausible and effective by using both Web technology and a variety of quiz & game-based learning materials. Specially, we develop the various types of educational games, which can be orthogonal to learning contents by constructing them through the parameters. Then, we evaluate the learning effects after teaching students the lesson using the lesson plans devised. The results show that the students in the integrated course did better than those in the traditional one in achieving the learning objectives given.

关键词： Computer science Educational institutions Natural languages Space technology Computer science education Animation Sun Educational technology Globalization Writing

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A survey on data compression in wireless sensor networks

A survey on data compression in wireless sensor networks

引用

international conference on information technology: coding and computing (itcc)

作者： N. Kimura S. Latifi Electrical and Computer Engineering University of Nevada Las Vegas USA

Wireless sensor networks (WSNs) are resource constraint: limited power supply, bandwidth for communication, processing speed, and memory space. One possible way of achieve maximum utilization of those resource is applying data compression on sensor data. Usually, processing data consumes much less power than transmitting data in wireless medium, so it is effective to apply data compression before transmitting data for reducing total power consumption by a sensor node. However, existing compression algorithms are not applicable for sensor nodes because of their limited resource. Therefore, some of compression algorithms, which have been specifically designed for WSNs, are presented in this paper: coding by ordering, pipelined in-network compression, low-complexity video compression, and distributed compression.

关键词： Data compression Intelligent networks Wireless sensor networks Peer to peer computing Power supplies Bandwidth Monitoring Energy consumption Compression algorithms Computer networks

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Online gaming cheating and security issue

Online gaming cheating and security issue

引用

international conference on information technology: coding and computing (itcc)

作者： Ying-Chieh Chen Jing-Jang Hwang Ronggong Song G. Yee L. Korba Institute of Information Management National Chiao Tung University Taiwan Institute of Information Management Chang Gung University Taiwan Institute for Information Technology National Research Council Canada

Along with the development of multimedia, animation, and network bandwidth, online gaming has become a very successful and outstanding industry recently, especially in Asia Pacific. However, due to the lack of security consideration, legal regulation, management, auditing and related legislation, more and more players have violated the law or become the victims while they are indulging in the virtual world. Virtual properties are getting more and more valuable in the real-world marketplace, and trade or exchange of virtual properties between players have become prevalent. Unfortunately, using illegal fraudulent means or programs to grab others' UserID or password are increasing as well. This paper provides a detailed overview of the online cheating threat and the associated security flaws, examines its consequences for online businesses, and outlines technical solutions and implications.

关键词： Asia information security National security information management information technology Law North America Statistics Councils Animation

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A dynamic method for handling the inference problem in multilevel secure databases

A dynamic method for handling the inference problem in multi...

引用

international conference on information technology: coding and computing (itcc)

作者： X. Chen R. Wei Department of Computer Science Lakehead University Thunder Bay ONT Canada

The inference problem exits when users can infer sensitive data classified at higher security levels from the knowledge of data at their level by performing inference. Inference problems greatly compromise database security, especially in multilevel secure (MLS) databases where both users and data are classified into different security levels. This paper presents an approach of dynamic control over the inference problem after all inference channels have been identified in a multilevel database. A set of key schemes are used for this purpose. We prove that these schemes are more efficient, in both space and time complexity, than previously proposed approaches.

关键词： Databases Data security information security Query processing Computer science Lakes Multilevel systems Computer security Delay Process control

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Abstract state machine based next generation IPv6 network

Abstract state machine based next generation IPv6 network

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international conference on information technology: coding and computing (itcc)

作者： Dipnarayan Guha Jun Kyun Choi Qonita Muhammad Shahab Broadband Network Laboratory Information and Communications University Daejeon Republic of Korea Laboratory for Multimedia Computing Information and Communications University Daejeon Republic of Korea

In this paper, we show the design of a network processing system in an IPv6 based media gateway based on abstract state machine (ASM) logic and show how the design features may help in scalability realization for end-to-end QoS issues in next generation networks. The novelty of the approach lies in the formal algorithmic definition of the processing hardware and generation of physical design unit from the data-driven algorithm function computation at compile time. The design in this paper is used to build an implementation prototype of an IPv6 media gateway with a feature of MPEG4 BIFS-MPEG4 LASeR transcoding, standardization activities of which are being currently pursued at the ISO MPEG MDS.

关键词： Next generation networking Logic design Scalability Hardware Algorithm design and analysis Physics computing Optical design Prototypes MPEG 4 Standard Laser theory

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