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International Conference on Web Information Systems engineering

作者： J. Fong J.G. Hughes Jianhan Zhu Department of Computer Science City University of Hong Kong Hong Kong China Northern Ireland Knowledge Engineering Laboratory University of Ulster Belfast UK

Introduces a frame metadata model to facilitate the continuous association rules of Web transactions. A new set of association rules can be derived with the updating of the Web log file by the Web transactions in the frame metadata model. This model consists of two types of classes: static classes and active classes. The static classes describe the Web transactions of the association rule table. The active classes are event-driven, obtaining Web transactions when invoked by a certain event. Whenever an update occurs in the existing Web transactions in the Web log file, a corresponding update is invoked by an event attribute in the method class which computes the association rules continuously. The result is active Web mining that is capable of deriving association rules of Web transactions continuously or incrementally using the frame metadata model.

关键词： Web mining Association rules Transaction databases Data mining Web server Uniform resource locators computer science knowledge engineering Laboratories Decision support systems

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Preface

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Lecture Notes in computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2000年 1803卷 6-6页

作者： Cagnoni, Stefano Poli, Riccardo Li, Yun Smith, George Corne, David Oates, Martin Hart, Emma Lanzi, Pier Luca Boers, Egbert J. W. Paechter, Ben Fogarty, Terence C. University of Parma Department of Computer Engineering Parco delle Scienze 181/a Parma Italy The University of Birmingham School of Computer Science Edgbaston Birmingham United Kingdom University of Glasgow Electronics and Electrical Engineering Rankine Building Glasgow United Kingdom University of East Anglia Department of Information Systems Norwich United Kingdom University of Reading P.O. Box 225 Whiteknights Reading United Kingdom BT Labs at Adastral Park Dept. Complex Systems Laboratory Martlesham Heath Suffolk United Kingdom University of Edinburgh Division of Informatics 80 South Bridge Edinburgh United Kingdom Milan Polytechnic Department of Electronics and Informatics Piazza Leonard0 da Vinci 32 Milan Italy National Aerospace Laboratory NLR Data and Knowledge Systems Dept I.C.T. Division Anthony Fokkerweg 2 Amsterdam Netherlands Napier University School of Computing 219 Colinton Road Edinburgh United Kingdom South Bank University School of Computing Information Systems and Mathematics 103 Borough Road London United Kingdom

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Abduction without minimality 12th

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12th Australian Joint Conference on Artificial Intelligence, AI 1999

作者： Nayak, Abhaya C. Foo, Norman Y. Computational Reasoning Group Department of Computing Macquaxie University NSW2109 Australia Knowledge Systems Group School of Computer Science and Engineering The University of New South Wales NSW2052 Australia

ISBN: (纸本)3540668225

In most accounts of common-sense reasoning, only the most preferred among models supplied by the evidence are retaiined (and the rest eUminated) in order to enheince the inferential prowess. One problem with this strategy is that the agent's working set of models shrinks quickly in the process. We argue that instead of rejecting all the nonbest models, the reasoner should reject only the worst models and then examine the consequences of adopting this principle in the context of abductive reasoning. Apart from providing the releveint representation results, we indicate why an iterated account of abduction is feasible in this framework. © Springer-Verlag Berlin Heidelberg 1999.

关键词： Philosophical aspects

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Diagrammatic proofs

Diagrammatic proofs

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16th International Joint Conference on Artificial Intelligence, IJCAI 1999

作者： Foo, Norman Y. Pagnucco, Maurice Nayak, Abhaya C. Department of Artificial Intelligence School of Computer Science and Engineering University of New South Wales NSW 2052 Australia Knowledge Systems Group School of MPCE Macquarie University NSW 2109 Australia

Diagrammatic reasoning comprises phenomena that range from the so-called "free-rides" (e.g. almost immediate understanding of visually perceived relationships) to conventions about tokens. Such reasoning must involve cognitive processes that are highly perceptual in content. In the domain of mathematical proofs where diagrams have had a long history, we have an opportunity to investigate in detail and in a controlled setting the various perceptual devices and cognitive processes that facilitate diagrammatically based arguments. This paper continues recent work by examining two kinds of diagrammatic proofs, called Categories 1 and 3 by Jamnik, et. al. 97], the first being one in which generalization of a diagram instance is implied, and the second being one in which an infinite completion is represented by an ellipsis. We provide explanations of why these proofs work, a semantics for ellipses, and conjectures about the underlying cognitive processes that seem to resonate with such proofs.

关键词： Semantics

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Task distribution and lumped parameter modeling in multi-disciplinary product development

Task distribution and lumped parameter modeling in multi-dis...

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ASME 1999 Design engineering Technical Conferences, DETC 1999

作者： Ozawa, Masanori Biswas, Gautam Zhu, Liang Systems Engineering Laboratories Corporate Research and Development Center Toshiba Corporation 70 Yanagi-cho Saiwai-ku Kawasaki-shi210 Japan Knowledge Systems Laboratory Department of Computer Science Gates Computer Science Building. 2A Stanford University StanfordCA94305-9020 United States

ISBN: (纸本)9780791819715

Present day electromechanical product design requires multi disciplinary design teams who have to perform complex synthesis, analysis, and control tasks to ensure desirable functional and performance characteristics for the products. In each stage of design, specialized tools are utilized to optimize design efficiency and product performance. Such tools tend to be used individually in an ad hoc manner. Moreover, the lack of uniform representations and the non availability of specific design data make it difficult for the different design groups to interact effectively and use the different design tools in an integrated fashion. This hinders the generation of globally optimal designs. Typically design engineers construct Finite Element Methodology models (FEM models) for detailed analysis of phenomena in their individual domains (e.g., mechanical, thermal, etc.). In this paper, we argue the necessity for building more abstract lumped parameter models from distributed FEM models to facilitate model sharing and communication across multiple design teams. We describe a set of techniques for building lumped parameter system models from more detailed distributed models, and demonstrate their application in design problem solving. Finally, we propose the application of designof- experience (DOE) and the Mahalanobis-Taguchi-System (MTS) with lumped parameter models. Copyright © 1999 by ASME.

关键词： Product design

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knowledge selection with neural networks

Knowledge selection with neural networks

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International Joint Conference on Neural Networks (IJCNN)

作者： R. Telesko D. Karagiannis Institute for Applied Computer Science and Information Systems Department of Knowledge Engineering University of Technology Vienna Vienna Austria

knowledge selection (KS) is a completely new method, which was developed at the department of knowledge engineering of the University of Vienna, aiming at selecting relevant knowledge out of a knowledge base for a particular task. This method is important for supporting the efficient (re-)use of knowledge in knowledge management systems. KS is realised by three filters: identification selects knowledge items according to syntactical properties of the query; adaption uses background knowledge for the filtering; and prediction tries to predict future queries for a small number of time steps. In this paper neural network solutions for KS together with an KS-implementation in the area of computer security is presented.

关键词： Neural networks Filters knowledge engineering computer science Information systems knowledge management Ink computer security Filtering Mirrors

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Action decision with incomplete information: a temporal database approach

Action decision with incomplete information: a temporal data...

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IEEE International Conference on Systems, Man and Cybernetics

作者： N. Ito K. Shinoda K. Nakagawa K. Iwata X. Du N. Ishii Department of Electrical and Computer Engineering Naogya Institute of Technology Nagoya Japan Graduate School of Knowledge Science Japan Advanced Institute of Science and Technology Ishikawa Japan Department of Intelligence and Computer Science Naogya Institute of Technology Nagoya Japan

The agent-oriented paradigm is widely used for developing flexible information systems. Intelligent agents such as soccer agents decide autonomously their actions according to the information they can obtain. The more information they can get, the more appropriate action they can decide. However, the agents usually run in a real-time environment, and they can not obtain the complete information that they require. For example, a soccer player may lose and quantize some visible data about the placement of either the players or the ball. In this case, the player has to decide its behaviors according to incomplete and even unreliable information. Hence, it is an important for intelligent agents to complete some lost information according to the history of their behaviors. In the paper, we design a temporal database for the soccer agents to record the history of the behaviors of all objects. While the new information comes, the database can complete and correct them by itself according to the temporal information stored in the database. For example, when a soccer agent loses the exact location of the ball at time t, the agent can infer from the location of the ball and the closest player at time t-1 that are recorded in the database. This way, the agents can behave more exactly than those without the temporal information. Furthermore, we implemented the soccer agents with the database, and experiments showed that the database can complete information for the soccer agents in real time.

关键词： Databases Intelligent agent Intelligent robots History Robot sensing systems knowledge engineering computer science computer industry Real time systems Information systems

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Evolutional shape modeling by extended genetic algorithm: multi-step GA

Evolutional shape modeling by extended genetic algorithm: mu...

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International Conference on knowledge-Based Intelligent Electronic Systems (KES)

作者： H. Watabe T. Kawaoka Department Knowledge Engineering & Computer Science Doshisha University Tanabe Kyoto Japan

In a computer aided design (CAD) system, shape design or shape modeling is one often a bottleneck because shape design is a trial and error process often depending on a designer's intuition and experience. Authors have already presented a method, named evolutional shape modeling (ESM), to generate suitable shapes automatically using genetic algorithm (GA) and free-form deformation (FFD). This ESM method, however, has a limitation on its ability of shape generation because of the limitation on FFD's shape deformation ability and the limitation on standard GA's ability. This paper proposes a new evolutional shape modeling method. It includes new genetic algorithm, named multistep GA, which can avoid premature convergence, and new constructing method of FFD by which shape deformation ability is highly improved.

关键词： Genetic algorithms Algorithm design and analysis Shape control Deformable models Design automation Neck computer errors Convergence Automatic generation control Gravity

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Design of fuzzy querying in object-oriented spatial data and geographic information systems

Design of fuzzy querying in object-oriented spatial data and...

引用

Conference of the North American Fuzzy Information Processing Society - NAFIPS

作者： A. Morris F.E. Petry Center for Intelligent and Knowledge Based Systems Department of Electrical Engineering and Computer Science Tulane University New Orleans LA USA

Fuzzy set approaches are particularly suitable for issues of modeling uncertainty in spatial data. The authors survey where and how uncertainty may appear in spatial data. They consider the issues involved in developing the modeling of uncertain spatial data in the framework of object-oriented databases. Finally they outline the issues in an approach for implementing fuzzy spatial queries in a commercially available object-oriented database.

关键词： Fuzzy systems Geographic Information Systems Spatial databases Uncertainty Object oriented databases Educational institutions Fuzzy sets Object oriented modeling Fires Information systems

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Automatic revision of simulation models

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IEEE Intelligent Systems and Their Applications 1998年第2期13卷 75-81页

作者： Pos, Anita Akkermans, Hans Top, Jan Unilever Res. Lab. Vlaardingen Netherlands Free University Amsterdam Netherlands ATO-DLO Netherlands Systems Engineering Group Unilever Research Netherlands University of Twente Netherlands Unilever Res. Lab. Vlaardingen 3130 AC Vlaardingen PO Box 114 Netherlands Dept. Applic.- Bus.-oriented Info. Free University Amsterdam Netherlands State University Groningen Netherlands Free Univ. Amsterdam Computer Science Dept. NL-1081 HV Amsterdam De Boelelaan 1081a Netherlands AKMC Knowledge Management NL-1831 BV Koedijk Klareweid 19 Netherlands Production Management Department ATO-DLO Netherlands ATO-DLO AA Wageningen PO Box 6700 Netherlands

007, an intelligent modeling assistant, helps users formulate explicit, testable requirements and assess the current model. It then executes generic repair plans and revises the model until requirements are met.

关键词： Automatic Revision Intelligent Modeling Assistant Simulation Models

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