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Improved client authentication using session authentication in the internet

2nd International Conference on Human.Society@Internet, HSI 2003

作者： Lee, Jae-Woo Baik, Doo-Kwon Software System Lab Dept. Of Computer Science and Engineering Korea University 1 5-ka Anam-dong Sung Buk-ku Seoul136-701 Korea Republic of

ISBN: (纸本)3540404562

It is general process of client authentication for a user to gain authority by the user’s ID and password. But using client’s password is not always secure because of various security attacks of many opponents. In this paper, we propose an improved client authentication adding session authentication process to current systems based on user’s ID and password. Before a client requests information processing to web application servers, the user acquire session password from authentication server. The session authentication procedure makes our systems secure during transaction processing by using duplicated password system. And using our proposed session authentication, we can detect intrusion during unauthorized client’s transaction because we can know immediately using a stored session authentication password when a hacker attacks our network or computer systems. © Springer-Verlag Berlin Heidelberg 2003.

关键词： Authentication

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Fault injection system for automatic testing system

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Journal of Harbin Institute of Technology(New Series) 2003年第3期10卷 321-324页

作者：王胜文洪炳熔 Dept. of Computer Science and Engineering Harbin Institute of Technology Harbin 150001 China Dept. of Computer Science and Engineering Harbin Institute of Technology Harbin 150001 Chinaonsidering the deficiency of the means for confirming the attribution of fault redundancy in the research of Automatic Testing System(ATS) a fault-injection system has been proposed to study fault redundancy of automatic testing system through compurison. By means of a fault-imbeded environmental simulation the faults injected at the input level of the software are under test. These faults may induce inherent failure mode thus bringing about unexpected output and the anticipated goal of the test is attained. The fault injection consists of voltage signal generator current signal generator and rear drive circuit which are specially developed and the ATS can work regularly by means of software simulation. The experimental results indicate that the fault injection system can find the deficiency of the automatic testing software and identify the preference of fault redundancy. On the other hand some soft deficiency never exposed before can be identified by analyzing the testing results.

Considering the deficiency of the means for confirming the attribution of fault redundancy in the re-search of Automatic Testing system(ATS) , a fault-injection system has been proposed to study fault redundancyof automatic testing system through compurison. By means of a fault-imbeded environmental simulation, thefaults injected at the input level of the software are under test. These faults may induce inherent failure mode,thus bringing about unexpected output, and the anticipated goal of the test is attained. The fault injection con-sists of voltage signal generator, current signal generator and rear drive circuit which are specially developed,and the ATS can work regularly by means of software simulation. The experimental results indicate that the faultinjection system can find the deficiency of the automatic testing software, and identify the preference of fault re-dundancy. On the other hand, some soft deficiency never exposed before can be identified by analyzing the tes-ting results.

关键词： Fault injection comparing method rear drive ATS

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Simulation of stable-adaptive control of robot arm using self-organizing neural network

Simulation of stable-adaptive control of robot arm using sel...

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Student Conference on Research and Development, SCOReD 2002

作者： Ahmad, A.M. Chen, Lee Ing Mohamad, F. Department of Software Engineering Faculty of Computer Science and Information System Universiti Teknologi Malaysia SkudaiJohor81310 UTM Malaysia

In this paper, a simulation of neural network controller for a three links robot arm is presented. The network is based on modified Kohonen's self-organizing map. In the proposed model, recurrent network and modif... 详细信息

ISBN: (纸本)0780375653

关键词： Self organizing maps

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Application of multi-agents for the development of university timetabling using JATLite

Application of multi-agents for the development of universit...

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Student Conference on Research and Development, SCOReD 2002

作者： Ahmad, Abd. Manan Chian, Chew Yee Mohamad, F. Department of Software Engineering Faculty of Computer Science and Information System Universiti Teknologi Malaysia SkudaiJohor81310 UTM Malaysia

ISBN: (纸本)0780375653

Agents have been touted as a very promising technology that have inspired many researchers around the world to develop prototype systems that seem to change the way software works. With major organizations involved in projects that utilize agents as solutions, it is believed that agents may have the potential to be part of everyday life in the future. This paper briefly discusses the implementation of multi-agents in university timetabling where agents have to communicate with each other in order to produce a good timetable. © 2002 IEEE.

关键词： Multi agent systems

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Database conceptual modeling for integrating E-A model and E-R model

Database conceptual modeling for integrating E-A model and E...

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International Conference on Information Networking, ICOIN 2002

作者： Lee, Jae-Woo Hong, Jong-Ha Baik, Doo-Kwon Software System Lab Dept of Computer Science and Engineering Korea University 1 5-ka Anam-dong SungBuk-ku Seoul136-701 Korea Republic of

ISBN: (纸本)3540442561

Efficient database design and construction is one of the most difficult and hard tasks for constructing information systems. During the database designing process, we have performed data modeling for understanding real world and business process easily. There is E-R model using entity and relationship between entities for supporting data modeling. Unlike E-R model, there is E-A model using specific aspects. Both of these models define entities and are modeling with relationship, so we have understood easily complex real world. E-R model is good for defining entity and relationship, but restrict concepts of abstraction and inheritance. In this paper, we propose a database conceptual modeling procedure, called I-ER modeling, through analyzing similarity and difference between E-A and E-R, applying abstraction concepts of E-A model. Using the I-ER(Improved E-R) modeling we can understand easily real world complexity for modeling entities and relationship. © Springer-Verlag Berlin Heidelberg 2002.

关键词： Database systems

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Application of multi-agents for the development of university timetabling using JATLite

Application of multi-agents for the development of universit...

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Student Conference on Research and Development (SCOReD)

作者： Abd Manan Ahmad Chew Yee Chian F. Mohamad Department of Software Engineering Faculty of Computer Science and Information System Universiti Teknologi Malaysia Skudai Johor Malaysia

关键词： Collaboration Application software Scheduling Research and development Design engineering computer science Turing machines Electronic mail software prototyping Humans

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Ethernet Wrapper: extension of the TCP Wrapper

Ethernet Wrapper: extension of the TCP Wrapper

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International Conference on Parallel and Distributed systems (ICPADS)

作者： MoonSang Kwon Jiman Hong Yookun Cho System Software Research Laboratory Department of Computer Science and Engineering Seoul National University Seoul South Korea

ISBN: (纸本)0769511538

One of the popular network security programs supporting host access control is the 'TCP Wrapper' (Venema, 1992). TCP Wrapper is a software-only system and many computers connected to the Internet are using it. However, TCP Wrapper does 'IP address-based' access control. The IP address is not such a reliable source when authenticating a host. We point out two possible attacks against the TCP Wrapper, propose a new way to prevent them, and describe the prototype implementation, Ethernet Wrapper. By adding an Ethernet address check, we augmented the TCP Wrapper. The test results showed that Ethernet Wrapper can prevent such attacks effectively.

关键词： Ethernet networks TCPIP Authentication Access control computer security Prototypes system software computer science National security Internet

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A TV program generation system using digest video scenes and a scripting markup language

A TV program generation system using digest video scenes and...

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Annual Hawaii International Conference on system sciences (HICSS)

作者： Y. Shirota T. Hashimoto A. Nadamoto T. Hattori A. Iizawa K. Tanaka K. Sumiya Software Research Center Imaging System Business Group Ricoh Company Limited Japan Division of Information and Media Science Graduate School of Science and Technology Kobe University Japan Department of Computer and Systems Engineering Graduate School of Science and Technology Kobe University Japan Division of Urban Information Systems Research Center for Urban Safety and Security Kobe University Japan

ISBN: (纸本)0769509819

This paper describes a TV program generation system using digest video scenes that are retrieved from video streams with the program indexes. The key features of the system are: (1) TV programs can be dynamically generated from digest video scenes selected by user preference. (2) Directions can be added using a happiness or sadness level based on the user preferences. (3) Personalized TV programs for an individual viewer can be made. The procedures taken by the system are as follows: (1) Conjunctive expressions between scenes are automatically generated; (2) Emotional expressions are automatically generated by user preference; (3) TV program metaphors are defined; (4) Direction templates corresponding to the metaphors are defined; (5) These expressions and definitions are coded using a markup language, and (6) Contents such as virtual characters and movies are synchronized. The resultant program can be shown on a TV set.

关键词： Layout Markup languages TV broadcasting Satellite broadcasting Information retrieval Broadcast technology Digital TV Companies Streaming media Character generation

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Modeling requirements with goals in virtual university environment

Modeling requirements with goals in virtual university envir...

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International Symposium on Multimedia software engineering

作者： J. Lee K.-H. Hsu Software Engineering LaboratoryDepartment of Computer Science and Information Engineering National Central University Chungli Taiwan

In recent years, goal based requirements analysis methods have attracted increasing attention in the area of requirements engineering. However, there is no systematic way in the existing approaches to handle the impacts of requirements on the structuring of software architecture. As an attempt towards the investigation of the interactions among goals, scenarios, and software architectures, we propose a goal based approach to building software architecture based on the interactions in an incremental fashion. The proposed approach is illustrated using the problem domain of a virtual university environment.

关键词： computer architecture software architecture software systems Information analysis software engineering computer science Buildings software tools Documentation Councils

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An integrated approach to real-time system design and on-line performance visualization with steering

An integrated approach to real-time system design and on-lin...

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Real-Time systems Symposium (RTSS)

作者： A.M. Bakic M.W. Mutka Software and System Engineering Research Laboratory Motorola Inc. Schaumburg IL USA Department of Computer Science and Engineering Michigan State University East Lansing MI USA

Emerging parallel or distributed heterogeneous real-time computer systems with many disparate constraints and requirements would benefit from a unifying and comprehensive systems engineering support in the design, testing and deployment phases, which interfaces with a human at a very high level and efficiently handles the system complexity. We present an approach to integration of: a compiler and constraint logic programming-based approach to design and engineering of complex real-time systems; and an online performance analysis and visualization technology with steering. An example distributed real-time system is used to help describe the integrated approach. Details are presented about how the involved technologies are used to help system developers and users achieve better system performance through on-line repair and reconfiguration.

关键词： Real time systems Design engineering computer interfaces Concurrent computing Distributed computing systems engineering and theory system testing Humans Program processors Logic design

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