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8th Pacific Rim International Conference on Artificial Intelligence, PRICAI 2004: Trends in Artificial Intelligence

作者： Feng, Xiaoyue Liang, Yanchun Sun, Yanfeng Lee, Heow Pueh Zhou, Chunguang Wang, Yan Key Laboratory of Symbol Computation and Knowledge Engineering Juin University Ministry of Education Changchun 130012 China Institute of High Performance Computing Singapore 117528 Singapore

ISBN: (纸本)3540228179

A novel hybrid algorithm based on the AFTER (Aggregated forecast through exponential re-weighting) and the modified particle swarm optimization (PSO) is proposed. The combining weights in the hybrid algorithm are trained by the modified PSO. The linear constraints are added in the PSO to ensure that the sum of the combining weights is equal to one. Simulated results on the prediction of the stocks data show the effectiveness of the hybrid algorithm. © Springer-Verlag Berlin Heidelberg 2004.

关键词： Algorithms

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A modified integer-coding genetic algorithm for job shop scheduling problem

A modified integer-coding genetic algorithm for job shop sch...

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8th Pacific Rim International Conference on Artificial Intelligence, PRICAI 2004

作者： Wu, Chunguo Xiang, Wei Liang, Yanchun Lee, Heow Pueh Zhou, Chunguang College of Computer Science and Technology Jilin University Key Laboratory of Symbol Computation and Knowledge Engineering of the Ministry of Education Changchun130012 China Institute of High Performance Computing Singapore117528 Singapore

ISBN: (纸本)3540228179

An operation template is proposed in this paper for describing the mapping between operations and a subset of natural numbers. With such operation template, a job shop scheduling problem (JSSP) can be transformed into a traveling salesman problem (TSP), hence the integer-coding genetic algorithm for TSP can be easily applied and modified. A decoding strategy, called virtual job shop, is proposed to evaluate the fitness of the individual in GA population. The integration of the operation template and virtual job shop makes the existing integer-coding GA possible for solving an extension of a classical job shop scheduling problem. © Springer-Verlag Berlin Heidelberg 2004.

关键词： Traveling salesman problem

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Study on optimization of agent initial positions in land combat simulation

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自然科学进展(英文版) 2004年第3期14卷 257-261页

作者： WU Chunguo LIANG Yanchun LEE Heow Pueh LU Chun Yang Xiaowei College of Computer Science and Technology Key Laboratory of Symbol Computation and Knowledge Engineering of the Ministry of Education Jilin University Changchun 130012 China Institute of High Performance Computing Singapore 117528 Singapore Institute of High Performance Computing Singapore 117528 Singapore Department of Applied Mathematics South China University of Technology Guangzhou 510640 China Centre for ACES Department of Mechanical Engineering National University of Singapore 119260 Singapore

The use of computational-intelligence-based techniques in the optimization of agent initial positions in land combat simulations is studied. A novel method for the reduction of support vectors in the support vector machine (SVM) is presented. The optimization on the width of the Gaussian kernel function and the combination of the SVM with the radial basis function neural network are performed in the proposed method. Simulation results show that the proposed method can improve the running efficiency drastically compared with that using the traditional SVM with the same precision. We also summarize and present some experiences and trends in the study on the optimization problem in land combat simulation.

关键词： multi-agent support vector machine radial basis function genetic algorithm regression

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Smart home research

Smart home research

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Li Jiang Da-You Liu Bo Yang College of Computer Science and Technology Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun China

This paper is a survey for smart home research, from definition to current research status. First we give a definition to smart home, and then describe the smart home elements, typical research projects, smart home ne... 详细信息

ISBN: (纸本)0780384032

关键词： Smart homes Radio frequency Home appliances Home automation Protocols Artificial intelligence Intelligent control Manufacturing Power supplies Computerized monitoring

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User-association mining based on two-stage count

User-association mining based on two-stage count

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Ya-Bo Liu Da-You Liu Hong Qi Fang-Ming Gu College of Computer Science and Technology Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun China

ISBN: (纸本)0780384032

Both item-associations and user-associations mined from the rating table can be used to make personalized recommendation for the current user in rule-based recommend technique. Mining user-associations is the key for the recommendation based on user-associations. We find that the current user not only can be used to constrain the rule form in user-associations mining process, but also can be used to partition the rating table into two parts in order to accelerate user-associations mining. It is first proved that user-associations about the current user mined from the whole rating table are contained in those mined only from the data set that contain the current user's rating. Then, a user-association mining frame based on two-stage count called TSCF is proposed. TSCF frame can be implemented by using existing algorithms for mining association rules. And an algorithm TSCF-CL for mining user-associations is implemented by using the concept lattice. Last the performance comparison with ASARM algorithm shows that TSCF-CL can reach better time capacity.

关键词： Data mining Association rules Recommender systems Lattices Acceleration Filtering Computer science educational technology Laboratories knowledge engineering

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A modified particle swarm optimization for combining forecasting

A modified particle swarm optimization for combining forecas...

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： X.Y. Feng L.M. Wan Y.C. Liang Y.F. Sun H.P. Lee Y. Wang Kollege of Computer Science and Technology Key Laboratory for Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun China College of Computer Science and Technology Key Laboratory for Symbolic Computation and Knowledge Engineering of Ministry of Education Changchun China The 8th Research Institute of Air Force Beijing China Institute of High Performance Computing Singapore Singapore

A modified particle swarm optimization (PSO) algorithm is proposed. Linear constraints in the PSO are added to satisfy the normalization conditions for different problems. A hybrid algorithm based on the modified PSO and combining forecasting is presented. Combining forecasting can improve the forecasting accuracy through combining different forecasting methods. The effectiveness of the algorithm is demonstrated through the prediction on the sunspots and the stocks data. Simulated results show that the hybrid algorithm can improve the forecasting accuracy to a great extent.

关键词： Particle swarm optimization Computational modeling Computer science educational technology Laboratories Military computing knowledge engineering Computer science education High performance computing Predictive models

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A lifecycle-based parallel model of workflow management

A lifecycle-based parallel model of workflow management

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Wan-Jun Yu Da-You Liu Bo Yang Quan Liu College of Computer Science & Technology JiLin University Changchun China Key Laboratory of Symbolic Computation & Knowledge Engineering Ministry of Education Changchun China

ISBN: (纸本)0780384032

Workflow management systems (WFMSs) are used to coordinate and streamline business processes. Very large process instances are often running for a long period and the feedback iteration occurs frequently, thus the system is inefficient. To overcome such problems, we studied the issues that process modeling parallelly based on product lifecycle management and proposed a parallel model (LBPYYM: lifecycle-based parallel workflow model). First, the parallel process can be created with the model within a product lifecycle. Meanwhile, the complexity of process definition is reduced also by the parallel model. Second, the adhoc access control policies can be created in each phase of lifecycle to satisfy the access control requirement of the least privilege. Finally, two algorithms, which consist of 2-level role parse algorithm and 3-level role parse algorithm, are introduced. Through these two algorithms the workflow activities' participant can be defined very easily and flexibly.

关键词： engineering management Access control knowledge management Technology management educational institutions Computer science educational technology Laboratories knowledge engineering Computer science education

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A hybrid constraint propagation mechanism for resource-constrained scheduling

A hybrid constraint propagation mechanism for resource-const...

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Ju-Yang Zhang Ji-Gui Sun College of Computer Science & Technology Jilin University Changchun China Key Laboratory for Symbolic Computation and Knowledge Engineering Ministry of Education Changchun China

ISBN: (纸本)0780384032

Handling resource constraints in resource-constrained scheduling is always a NP-hard problem. In the beginning of this paper, the overview of the approaches to managing resource constraints and the deficiency of them are shown. Then a hybrid mechanism based on CBA rules and resource energy forward checking is proposed. By applying this mechanism, the generality and the efficiency of our system are heightened.

关键词： Job shop scheduling Resource management Processor scheduling Programming profession Sun educational institutions Computer science educational technology Laboratories knowledge engineering

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Product lifecycle based on J2EE in PDM

Product lifecycle based on J2EE in PDM

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Wan-Jun Yu Da-You Liu Ni-Ya Li Quan Liu College of Computer Science & Technology JiLin University Changchun China Key Laboratory of Symbolic Computation and Knowledge Engineering Ministry of Education Changchun China

ISBN: (纸本)0780384032

PDM is an important technology of CIMS. The lifecycle management of PDM means that it is a process in which a product grows from conceptual generation, outline design to manufacture, maintenance, ultimately to be discarded as useless. This work introduces the background of PDM and the idea of PLM briefly; describes the hierarchy of the PDM; puts forward the architecture of PLM, the model of built-time and run-tune and the lifecycle service of state transition; finally, gives an example of PLM is given.

关键词： Project management Technology management educational technology Computer integrated manufacturing Product design Pulse width modulation educational institutions Computer science Laboratories knowledge engineering

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Feature selection and text classification for Chinese Web documents

Feature selection and text classification for Chinese Web do...

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Jian-Chao Xu Da-You Liu Ming Hu Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun China School of Computer Science & Engineering Changchun University of Science and Technology Changchun China

ISBN: (纸本)0780384032

A great deal of methods for feature selection and text classification have been widely applied to English Web documents, while few studies have been done on Chinese Web documents. This paper gives a term weighting method based on inverse document frequency, HTML tags and length of Chinese phrase, reports our method to select Web text feature based on the messy genetic algorithm, provides an algorithm for Web text classification based on improvement on lattice machine approach. Our experiments show that these methods are valuable.

关键词： Text categorization Web pages Frequency knowledge engineering Genetic algorithms Lattices HTML Computer science educational technology Laboratories

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