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International Conference for Internet Technology and Secured Transactions, ICITST 2009

作者： Mondal, Arpita Roy, Kaushik Bhattacharya, Prabir Dept. of Computer Science and Software Engineering Concordia University Canada Concordia Institute for Information Systems Engineering Concordia University Canada

ISBN: (纸本)9781424456482

Alongside multitude of innovations and consequential changes in lifestyle, the ability to access home appliances or security cameras over the Internet has been in demand for some years now. In this paper, we propose an efficient, low-cost and user-friendly method to access networked home appliances over the Internet, providing strong, well integrated, three levels of security to the whole application and user data. We present a scheme in which, iris image is used for user authentication and after performing its hashing (using BioHashing), it is sent to the server through a secure communication channel utilizing Secure Socket Layer (SSL). The deterministic feature sequence from the iris image is extracted using 1D log-Gabor filters. Mersenne twister random number generator algorithm is used to produce an array of pseudo-random numbers which is later orthonormalised employing Gram-Schmidt orthonormalization algorithm for performing BioHashing. In addition to this protected interaction mechanism, we use a single Authentication Server in order to enable access to the home appliances of a complete housing society via Internet, which reduces user responsibility and improves accessibility of this endeavor without compromising on system security. We demonstrate the perfect recognition efficiency of this system with equal error rate (EER) of 0% on CASIA 1 iris image dataset. Copyright © 2009 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved.

关键词： Domestic appliances

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Novel Design of Interactive Caption and Recognition Postures within the Wearable and Non-Vision System over Wireless Sensor Network

Novel Design of Interactive Caption and Recognition Postures...

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International Conference on Complex, Intelligent and software Intensive systems, CISIS

作者： W.T. Huang Chao-Nan Hung Chiu-Ching Tuan Chin-Hsing Chen Yuan-Jen Chang You-Yin Chen Department of Computer Science and Information Engineering Minghsin University of Science and Technology Taiwan R.O.C. Department of Graduate Institute of Computer and Communication Engineering National Taipei University of Technology Taiwan Department of Management Information Systems Central Taiwan University of Science and Technology Taiwan Dept. of Electr. & Control Eng. Nat. Chiao Tung Univ. Hsinchu Taiwan

In this study, we design and present the novel wearable system with the interactive posture caption and recognition functions based on the non-vision over the ZigBee wireless sensor network (ZigBee-WSN). There are two type sensors, 3-axis accelerometer and clip type, to be employed in our wearable system. These sensors are arranged on user's four limbs such that the posture information can be gathered by them. Then, the posture information is transmitted to the data-controlling center over ZigBee-WSN. Finally, this center can analyze and distinguish various postures by our proposed algorithm through the friend user's interface to express. Our presented wearable system can distinguish out 28 kinds of hand postures and 13 kinds of leg postures altogether. Moreover, under our presented ZigBee-WSN system with small size, low-power consumption, and high-reliability characteristics, the data-controlling center can simultaneously tele-monitor the real-time body interactive postures of 8 persons, when the transmitting distance is less than 18 M and the package correct transmitted rate is more than 97.5%.

关键词： Wireless sensor networks Wearable sensors ZigBee Sensor systems Accelerometers Algorithm design and analysis User interfaces Leg Real time systems Packaging

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Ballot permutations in Prêt à voter

Ballot permutations in Prêt à voter

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2009 Electronic Voting Technology Workshop/Workshop on Trustworthy Elections, EVT/WOTE 2009, Held in Conjunction with the 18th USENIX Security Symposium

作者： Ryan, Peter Y.A. Teague, Vanessa Dept. Computer Science and Communications University of Luxembourg Luxembourg Dept. Computer Science and Software Engineering University of Melbourne Australia

Handling full permutations of the candidate list along with re-encryption mixes is rather difficult in Prêt à Voter but handling cyclic shifts is straightforward. One of the versions of Prêt à Voter that uses Paillier encryption allows general permutations of candidates on the ballot, rather than just cyclic shifts. This improves the robustness of the system against an adversary who tries to alter checkmarks on ballots before they are posted to the bulletin board. Even if the adversary could predict which voters would fail to check their vote on the bulletin board, the best they could do would be to choose another random candidate. By contrast, when using only cyclic shifts the adversary can systematically shift a biased distribution from one candidate to another. We show in this note that the Paillier version of Prêt à Voter with full permutations of the candidates is not receipt-free when the number of possible permutations is much larger than the number of voters, and we propose a construction that addresses this issue while retaining the defence against an adversary who can shift checkmarks. © EVT/WOTE 2009 - 2009 Electronic Voting Technology Workshop/Workshop on Trustworthy Elections. All rights reserved.

关键词： Cryptography

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A Re-examination of Lexical Association Measures

A Re-examination of Lexical Association Measures

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2009 Workshop on Multiword Expressions: Identification, Interpretation, Disambiguation, Applications, MWE 2009

作者： Hoang, Hung Huu Kim, Su Nam Kan, Min-Yen Dept. of Computer Science National University of Singapore Singapore Dept. of Computer Science and Software Engineering University of Melbourne Australia

ISBN: (纸本)1932432604

We review lexical Association Measures (AMs) that have been employed by past work in extracting multiword expressions. Our work contributes to the understanding of these AMs by categorizing them into two groups and suggesting the use of rank equivalence to group AMs with the same ranking performance. We also examine how existing AMs can be adapted to better rank English verb particle constructions and light verb constructions. Specifically, we suggest normalizing (Pointwise) Mutual Information and using marginal frequencies to construct penalization terms. We empirically validate the effectiveness of these modified AMs in detection tasks in English, performed on the Penn Treebank, which shows significant improvement over the original AMs. © 2009 ACL and AFNLP

关键词： Natural language processing systems

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Propagating Requirement Change into software High Level Designs towards Resilient software Evolution

Propagating Requirement Change into Software High Level Desi...

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16th Asia-Pacific software engineering Conference

作者： Ibrahim, Noraini Kadir, Wan M. N. Wan Deris, Safaai Software Engineering Dept. Faculty of Computer Science and Information System Universiti Teknologi Malaysia Malaysia

ISBN: (纸本)9780769539096

Uncertain and incomplete requirements throughout the whole software life cycle contribute to volatility of the requirements. In a situation where the volatile requirement is changed to satisfy stakeholder needs, all the affected requirements and other impacted software artefacts (such as designs, codes, and tests) must be identified and changed accordingly. This paper introduces an approach to facilitate both engineers and users in propagating changes from requirements to the software high-level designs during software development and evolution. The two main pillars of this approach, namely product metamodel and process model are described in details. Firstly, the metamodel highlights on explicit conceptual model for volatile requirement and its characteristics. Next, the focus will be placed on the systematic process model specified using the SPEM that offers guidelines to perform the requirement change process. The applicability of the product metamodel and its elements are evaluated using the IFAMMS case study application.

关键词： Volatile Requirement Change Propagation software High Level Designs software Evolution

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Portable Executable Automatic Protection using Dynamic Infection and Code Redirection

Portable Executable Automatic Protection using Dynamic Infec...

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International Conference on computer engineering and systems

作者： AbdelHameed, Mohab U. Sobh, Mohamed A. Eldin, Ayman M. Bahaa Softlock Company Computer and Systems Engineering Dept. Ain Shams University Egypt

ISBN: (纸本)9781424458424

This paper describes an automated technique for protecting portable executable files used in Windows NT Platform. The proposed technique mainly works on Portable Executable format for 32-bit applications. The paper describes the PE format illustrating its main structures followed by an overview on existing protection techniques, and then it illustrates the proposed technique used in packing the PE file in order to protect it against disassembling and reverse engineering. The protection technique involves a static operation on the file reversed by a dynamic one during the run-time. The static and the dynamic operations provide a combined solution for software protection against static (Automatic) and dynamic reverse engineering. The paper studies the effect of protection on the performance and provides a solution to enhance the results. The paper finally proposes a model to integrate the proposed technique with a license management system (LMS) and to manage the digital rights (DRM).

关键词： PE Copy Protection Rights Management

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A rough set based approach to detect plagiarism

A rough set based approach to detect plagiarism

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2009 IEEE Region 10 Conference, TENCON 2009

作者： Bhavani, M. Thammi Reddy, K. Shashi, M. Dept. of Computer Science and Engineering VIIT Visakhapatnam India Dept. of Computer Science and Systems Engineering Andhra University Visakhapatnam India

ISBN: (纸本)9781424445479

Plagiarism is the practice of claiming, or implying, original authorship or incorporating material from someone else's written or creative work, in whole or in part, into one's own without adequate acknowledgement. Unlike cases of forgery, in which the authenticity of the writing, document, or some other kind of object, itself is in question, plagiarism is concerned with the issue of false attribution [21]. Plagiarism has become a significant problem in the student community due to the fact that the wide accessability of digitalized information in the WWW. It has become difficult task for the teachers as well as adjudicators to catch the cheaters. There are many tools which are either internet based or pc based to detect plagiarism and both are having advantages and disadvantages. To detect plagiarism there is a need to find the extent of similarity between a pair of text documents for providing access to topically relevant documents on one hand and for identifying document replication on the other hand. In this paper the details of a Rough Set based Document Ranking system (RSDRS) developed by the authors are presented. The terms associated with related concepts are grouped together to form equivalence classes by clustering the terms of the vocabulary. The query passage and the documents are represented as rough sets using these equivalence classes of terms and further partitioned into families of rough sets in higher level approximation spaces which impose partial ordering on the families of documents with reference to the query passage. Documents falling in the same family are ordered in accordance with their similarity to the query to form the relevance ranking of the documents ©2009 IEEE.

关键词： Approximation algorithms

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computer aided design of the earthing installations for the substations

Computer aided design of the earthing installations for the ...

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International Symposium on Electrical and Electronics engineering (ISEEE)

作者： Marian I. Duţă Silvia-Maria M. Diga Denisa Gh. Ruşinaru Maria D. Brojboiu Daniela N. Popescu National Institute of Standards and Technology Boulder CO USA Department of Signals and Systems Chalmers University of Technology Göteborg Sweden Dept. of Electronics Eng. National Chiao Tung Univ. Hsinchu Taiwan Electronics Department GET/ENST-Bretagne France Institute for Telecommunications Research University of South Australia Mawson Lakes SA Australia Dept. of Electrical and Computer Engineering National Univ. of Singapore Singapore

In this paper, the authors present a complex calculation algorithm for dimensioning the earthing installation of a substation. There are also presented the own conception calculation program developed in the Visual Basic programming environment, and a comparative analysis of the results got within a case study, after running the program for two variants of fitting out a substation.

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Lecture Notes in computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics): Preface

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2010年第PART 3期6278 LNAI卷 VI页

作者： Setchi, Rossitza Jordanov, Ivan Howlett, Robert J. Jain, Lakhmi C. Cardiff University School of Engineering The Parade Cardiff CF24 3AA United Kingdom University of Portsmouth Dept. of Computer Science and Software Engineering Buckingham Building Lion Terrace Portsmouth PO1 3HE United Kingdom KES International 145-157 St. John Street London EC1V 4PY United Kingdom University of South Australia School of Electrical and Information Engineering Mawson Lakes Campus Adelaide SA 5095 Australia

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A session generalization technique for improved web usage mining

A session generalization technique for improved web usage mi...

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ACM CIKM 2009 Workshop on Web Information and Data Management, WIDM 2009, Co-located with the 18th ACM International Conference on Information and Knowledge Management, CIKM 2009

作者： Hasan, Tahira Mudur, Sudhir P. Shiri, Nematollaah Dept. of Computer Science and Software Engineering Concordia University Montreal QC Canada

ISBN: (纸本)9781605588087

Generalization of web sessions is an effective approach used to overcome two major challenges in web usage mining, namely quality and scalability. Given a concept hierarchy, such as a website, generalization replaces actual page-clicks with their general concepts, i.e., nodes at higher levels. Presently known methods do this by choosing a level in the hierarchy, below which all the nodes are generalized to nodes at this level. The problem with this is that significant items may be coalesced, and insignificant ones may be retained. We present a usage driven generalization algorithm, which coalesces less significant pages into more general ones, independent of their level in the hierarchy. Based on actual usage set of sessions, item significance is estimated approximately but fast, using a small stratified sample of the large dataset. While providing scalability, the proposed generalization technique results in improved efficiency and quality of the discovered usage model, demonstrated through numerous experiments in our work. Copyright 2009 ACM.

关键词： Scalability

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