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113th Annual ASEE Conference and Exposition, 2006

作者： Eschenbach, Elizabeth Johnson, James H. Brus, Chris Carlson, Patricia Giammar, Dan Grauer, Bette Hotaling, Liesl Oguntimein, Gbekeloluwa Safferman, Steven Wentling, Tim Humboldt State University United States Department of Environmental Resources Engineering Humboldt State University United States Howard University United States Department of Environmental Engineering College of Engineering Architecture and Computer Sciences Howard University United States Board of Scientific Counselors Executive Committee U.S. Environmental Protection Agency Office of Research and Development United States EPA's Science Advisory Board Department of Energy-sponsored HBCU/MI Environmental Technology Consortium Board Environmental Studies and Toxicology and the Engineering Council of the American Society for Engineering Education United States University of Iowa United States Program University of Iowa United States Rose-Hulman Institute of Technology United States Department of Rhetoric Rose-Hulman Institute ot Technology U.S. Air Forcer United States Army's Aberdeen Proving Ground NASA's Classroom of the Future Wheeling WV United States Washington University United States Department of Civil Engineering Washington University St. Louis United States Environmental Engineering Science Program Center for Materials Innovation United States McPherson High School United States McPherson High School McPherson KS United States Stevens Institute of Technology United States Stevens Institute of Technology United States Morgan State University United States Michigan State University United States Biosystems and Agricultural Engineering Department Michigan State University United States University of Dayton United States U.S. EPA Office of Research and Development United States National Center for Supercomputing Applications United States Department of Information Science Graduate School of Library and Information Science National Center for Supercomputing Applications University of Illinois United States

The Collaborative Large-scale Engineering Analysis Network for Environmental Research (CLEANER) Project Office has been established with funding from the National science Foundation (NSF) to the University of Illinois Urbana-Champaign (UIUC) and a coalition of 11 other institutions. The project office is coordinating the creation of a strategic plan consisting of research, cyberinfrastructure, and education plans that set forth a roadmap for the collaborative engineering analysis network for the study of environmental problems. This report will be completed by July 2007 and requires input from K-12 educators, administrators and other stakeholders in K-12 education. This paper describes the CLEANER project, provides an example of the CLEANER Education Committee's vision for the K-12 area and lists contacts for further information. The intention of this paper is to elicit input from the K-12 engineering education community, including K-12 educators, on how the CLEANER Education Plan could better meet the future needs of K-12 students and educators © American Society for Engineering Education, 2006.

关键词： Engineering education

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Examining design threads: Issues in Web design across student populations

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Proceedings of the Association for information science and technology 2006年第1期42卷

作者： Joette Stefl-Mabry Allison Druin Dania Bilal Michael Radlick Thomas Mackey Carol Doll Diane Nahl Department of Information Studies of the College of Computing and Information and School of Education University at Albany State University of New York University of Maryland College of Information Studies and Institute for Advanced Computer Studies School of Information Sciences The University of Tennessee 1345 Circle Park Knoxville TN 37996 The Not for Profit Institute for Research on Learning Technology Visions Department of Information Studies of the College of Computing and Information University at Albany State University of New York Department of Information and Computer Sciences Library and Information Science Program University of Hawai'I at Manoa

This session relates directly to this year's conference theme Sparking Synergies: Bringing Research and Practice Together as it brings together researchers from different disciplines (information science and educational technology) to discuss current issues and trends related to Web usage across student populations. “Complex design problems require more knowledge than any single person possesses” (Arias, Eden, Fischer, Gorman, and Scharff, 2000, p. 84), thus each panelist will contribute highlights of his or her current research regarding the design, information, and pedagogical, needs of specific student populations (K-12 to higher education). After the panelists have presented their findings Diane Nahl will intertwine the threads of the panelists' conversations and, with the audience's assistance, begin to weave a fabric to uncover common usability issues.

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An effective quality assessment model for e-leaning websites in Thailand

An effective quality assessment model for e-leaning websites...

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3rd International Conference on Education and information Systems: Technologies and Applications, EISTA 2005

作者： Pruengkarn, Ratchakoon Praneetpolgrang, Prasong Srivihok, Anongnart Department of Computer Science Kasetsart University Bangkok Thailand Master of Science Program in Information Technology Sripatum University Bangkok Thailand

ISBN: (纸本)9806560345

The objective of this research is to evaluate the total quality of e-Leaming websites for university in Thailand by using quality criteria which based on IEEE 1061 and ISO/IEC 9126. In this research, we determine 6 quality aspects (include 2 new aspects) such as functionality, reliability, usability, efficiency, maintainability and portability. In the research process, we categorize subjects into 5 groups. The result has found that the average of quality on e-Leaning websites in Thailand is 50.34% and this can be exploited as beneficial information for e-Leaming webmaster to motivate and improve the quality of e-Leaming website according to the proposed quality model for optimizing the effective e-Learning.

关键词： Websites

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Location management for PCS networks with consideration of mobility patterns

Location management for PCS networks with consideration of m...

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IEEE INFOCOM 2005

作者： Li, Jie Kubota, Atsushi Kameda, Hisao Department of Computer Science Graduate School of Systems and Information Engineering University of Tsukuba Tsukuba Sci. City Ibaraki 305-8573 Japan Doctoral Program in Science and Information Engineering University of Tsukuba Tsukuba Sci. City Ibaraki 305-8573 Japan

ISBN: (纸本)0780389689

This paper addresses the dynamic location management for personal communication service (PCS) networks with consideration of mobility patterns. The popular hexagonal cellular architecture is considered. In this paper, we first introduce a coordinate system for the hexagonal cellular architectures. Then, we develop an all-direction mobility model based on the coordinate system for the hexagonal cellular architecture to cope with the mobility patterns of mobile terminals (MTs). The shape and size of the local area (LA) in the dynamic location management scheme is determined by minimizing the total location management cost with bounding the paging cost The optimization problem is transferred to maximize expected number of cells traversed by the MT in the LA with a given size of the LA. The analytic model of calculating the probabilities of any MT's moving is established. An algorithm is proposed to solve the optimization problem efficiently. © 2005 IEEE.

关键词： Data transfer

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Individual profile graphs for location management in PCS networks

Individual profile graphs for location management in PCS net...

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2005 International Conference on Wireless Networks, Communications and Mobile Computing

作者： Chuon, Chansophea Guha, Sumanta Mahtab Hossain, A.K.M. Computer Science and Information Management Program Asian Institute of Technology P.O. Box 4 Klong Luang Pathumthani 12120 Thailand

ISBN: (纸本)0780393058

A user's profile, for the purpose of location management in a PCS network, is formalized as a subgraph of the network graph. This subgraph, the so-called individual profile graph (IPG), is determined after a period of observation with the intent of predicting and codifying the user's diurnal routine. The IPG is easily-motivated, robust, straightforwardly computed from observed data, and, under fairly intuitive assumptions, provably predictive of the user's diurnal routine. An IPG-based paging and update strategy is proposed and analyzed. © 2005 IEEE.

关键词： Tracking (position)

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Preprocessing convex polygons using range trees for recognition with few finger probes

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11th International Conference on computer Analysis of Images and Patterns, CAIP 2005

作者： Guha, Sumanta Khánh, Kiêu Trong Computer Science and Information Management Program Asian Institute of Technology P.O. Box 4 Klong Luang Pathumthani 12120 Thailand

ISBN: (纸本)3540289690

The problem considered is that of recognizing if a given convex polygon comes from a known collection by applying probes. Existing approaches use a number of probes that is linear in the number of sides of the polygon. The current premise is that probing is expensive, while computing is cheap. Accordingly, a method is proposed that recognizes a polygon from the collection, with high probability, using only a constant number of probes, at the cost of fairly large computing resources, particularly, in setting up and applying a range tree data structure. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Computational geometry

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Providing supplemental teaching materials in order based on the rough set theory

Providing supplemental teaching materials in order based on ...

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5th IEEE International Conference on Advanced Learning Technologies, ICALT 2005

作者： Cheng, Kun-Fa Chang, Alex Chang, Maiga Heh, Jia-Sheng Dept. of Information and Computer Engineering Chung-Yuan Christian Univ. Office of National Science and Technology Program for E-learning Taiwan Taiwan

ISBN: (纸本)0769523382

Nowadays, Problem-Based Learning (PBL for short) is a popular teaching strategy for teachers. In the PBL environment students can learn how to solve the real life problems by discussing with their teammates and developing their brainstorm map. How a teacher decides what kinds of teaching materials are appropriate to students according to their learning performance is an important issue. Therefore, this paper proposes a sequencing mechanism to provide the teacher recommendatory sequence of remedial teaching for each group. In this paper the Rough Set theory is used to discover the hidden data pattern in the tree-like concept map which is transformed from the brainstorm map constructed by the students. © 2005 IEEE.

关键词： Rough set theory

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MDAbench: A Tool for Customized Benchmark Generation Using MDA

MDAbench: A Tool for Customized Benchmark Generation Using M...

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OOPSLA'05 - 20th Annual ACM Conference on Object-Oriented programming, Systems, Languages, and Applications

作者： Zhu, Liming Liu, Yan Gorton, Ian Bui, Ngoc Bao School of Computer Science and Engineering University of Nsw Australia Empirical Software Engineering Program National Ict Australia Australia Faculty of Information Technology University of Technology Sydney Australia

Designing component-based application that meets performance requirements remains a challenging problem, and usually requires a prototype to be constructed to benchmark performance. Building a custom benchmark suite is however costly and tedious. This demonstration illustrates an approach for generating customized component-based benchmark applications using a Model Driven Architecture (MDA) approach. All the platform related plumbing and basic performance testing routines are encapsulated in MDA generation "cartridges"along with default implementations of testing logic. We will show how to use a tailored version of the UML 2.0 Testing Profile to model a customized load testing client. The performance configuration (such as transaction mix and spiking simulations) can also be modeled using the UML model. Executing the generated deployable code will collect the performance testing data automatically. The tool implementation is based on a widely used open source MDA framework AndroMDA. We extended it by providing a cartridge for a performance testing tailored version of the UML 2.0 Testing Profile. Essentially, we use OO-based meta-modeling in designing and implementing a lightweight performance testing domain specific language with supporting infrastructure on top of the existing UML testing standard. © 2005 ACM.

关键词： Software architecture

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AGQ: A model of student question generation supported by one-on-one educational computing

AGQ: A model of student question generation supported by one...

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International Conference on computer Supported Collaborative Learning

作者： Chang, Sung-Bin Tung, Kuan-Jung Huang, Hsien-Ming Chan, Tak-Wai Department of Computer Science and Information Engineering National Central University Taiwan Degree Program of E-Learning National Chiao Tung University Taiwan Graduate Institute of Network Learning Technology National Central University Taiwan

ISBN: (纸本)0805857826

One-on-one educational computing refers to I student I computing device, which means every student in a group uses a digital learning device. In this paper, we present a model of student question generation called AGQ, which stands for "asking a good question," supported by one-on-one educational computing in the classroom settings. AGQ is designed for engaging students in a challenging learning activity that potentially involves higher-level cognitive processing operations. We shall describe the general design of AGQ, called Product Evolution, and that the current version is a variation of it.

关键词： one-on-one educational computing peer question generation question posing

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Relevancy based access control of versioned XML documents 05

Relevancy based access control of versioned XML documents

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SACMAT 2005: Proceedings of 10th ACM Symposium on Access Control Models and Technologies

作者： Iwaihara, Mizuho Chatvichienchai, Somchai Anutariya, Chutiporn Wuwongse, Vilas Dept. Social Informatics Kyoto University Kyoto 606-8501 Japan Dept. Info.-Media Siebold University of Nagasaki Nagasaki 851-2195 Japan Computer Science Program Shinawatra University Pathumthani 12160 Thailand Computer Science and Information Management Program Asian Institute of Technology Pathumthani 12120 Thailand

ISBN: (纸本)9781595930453

Integration of version and access control of XML documents has the benefit of regulating access to rapidly growing archives of XML documents. Versioned XML documents provide us with valuable informations on dependencies between document nodes, but at the same time presenting the risk of undesirable data disclosure. In this paper we introduce the notion of relevancy-based access control, which realizes protection of versioned XML documents by various types of relevancy, such as version dependencies, schema similarities and temporal proximity. We define a new path query language XVerPath over XML document versions, which can be utilized for specifying relevancy-based access control policies. We also introduce the notion of relevancy class, for collectively and compactly specifying relevancy-based policies. Copyright 2005 ACM.

关键词： XML

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