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检索条件"机构=Key Laboratory of Symbol Computation and knowledge Engineering of the Ministry of Education"

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A Distributed Q-Learning Algorithm for Multi-Agent Team Coordination

A Distributed Q-Learning Algorithm for Multi-Agent Team Coor...

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Jing Huang Bo Yang Da-You Liu Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun China

Q-learning is an effective model-free reinforcement learning algorithm. However, Q-learning is centralized and competent only for single agent learning but not multi-agent learning because in later case the size of state-action space is huge and will grow exponentially with the number of agents increasing. In the paper we present a distributed Q-learning algorithm to solving this problem. In our algorithm, the tasks of learning optimal action policy are distributed to each agent in team but not a central agent. In order to reduce the size of action-state space of multi-agent team we introduce a state-action space sharing strategy of agent team, through which one agent in team can use the states already explored by other agents before and need not take time to explore these states again. Additionally, our algorithm has the ability to allocate sub-goals dynamically among agents according to environment changing, which can make agent team coordinate more efficiently. Experiments show the efficiency of our algorithm when it is applied to the benchmark problem of predator-prey pursuit game, also called pursuit game, in which a team of predators coordinate to capture a prey.

关键词： Machine learning algorithms Pursuit algorithms Multiagent systems educational institutions Computer science educational technology Laboratories knowledge engineering Computer science education Learning systems

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Nondestructive quantitative analysis of compound paracetamol and diphenhydramine hydrochloride powder using RBF networks

Nondestructive quantitative analysis of compound paracetamol...

引用

International Conference on Machine Learning and Cybernetics, ICMLC 2005

作者： Zheng, Hong Wan, Li.-Ming Jiang, Jing-Qing Liang, Yan-Chun Key Laboratory of Symbol Computation and Knowledge Engineering Jilin University Ministry of Education Changchun 130012 China College of Computer Science and Engineering Changchun University of Technology Changchun 130012 China Institute of General Development and Evaluation of Equipment EAAF of PLA Beijing 100076 China College of Mathematics and Computer Science Inner Mongolia University for Nationalities Tongliao 028043 China

ISBN: (纸本)078039092X

A method for simultaneous analysis of the two components of compound paracetamol and diphenhydramine hydrochloride powdered drugs on near-infrared (NIR) spectroscopy is developed by using a Radial Basis Function (RBF) network. Nearest neighbor-clustering algorithm is used as the learning algorithm of RBF network. Comparisons of the results obtained from the RBF models with those from BP models show that it is feasible to use the RBF network in nondestructive quantitative analysis of the components of drugs. © 2005 IEEE.

关键词： Neural networks

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A DYNAMIC CONSTRAINT SOLVING SCHEME FOR SEMI ON-LINE SCHEDULING PROBLEMS

A DYNAMIC CONSTRAINT SOLVING SCHEME FOR SEMI ON-LINE SCHEDUL...

引用

IFIP TC12 WG12.5-Second IFIP Conference on Artificial Intelligence Applications and Innovations(AIAI2005)

作者： Juyang Zhang Jigui Sun Yonggang Zhang College of Computer Science & Technology Jiiin University Key Laboratory for Symbolic Computation and Knowledge Engineering of Ministry of Education

Most of real-life scheduling problems are semi on-line scheduling,where we do not know all the time variables of jobs in ***,solving such dynamic problems is a hot topic of research in Constraint *** this paper we analyze the constraints in the semi on-line scheduling problems and introduce the concept of monotonic about constraints which appear in general dynamic constraint *** designed a generic dynamic constraint solving algorithm for solving the scheduling *** give an example of its application to semi on-line discrete resource-constrained scheduling problem(ship-loading problem).

关键词： Scheduling Semi On-line Constraint Solving Monotonic

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Consistency check between behaviour models

Consistency check between behaviour models

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International Symposium on Communications and Information Technologies (ISCIT)

作者： Hongyuan Wang Tie Feng Jiachen Zhang Ke Zhang Key Laboratory Symbolic Computation and Knowledge Engineering of Ministry of Education College of Computer Science and Technology Jilin University Changchun China

In UML, a modeling language popularly used to describe models at different abstraction levels, sequence diagram and statechart are both used to represent systems' behavior models. A consistency problem may arise due to the fact that sequence diagram represent interactive behavior of all objects, whereas statechart represent the complete behavior of one specific object. This paper proposes an approach checking the consistency between sequence diagrams and state diagrams. In our approach, statechart is formalized using finite state processes and sequence diagram is represented using messages trace. An existing tool LTSA is used to support our method.

关键词： Object oriented modeling Unified modeling language Laboratories knowledge engineering Computer science education Systems engineering education educational institutions Computer science educational technology Software design

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Medicine composition concentration analysis based on least square support vector machine

Medicine composition concentration analysis based on least s...

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Xin-Chen Guo Zhou-Yi Chen Li-Rong Teng Chun-Guo Wu Tian-Bao Du Jia-Huilu Qing-Fan Meng Yan-Chun Liang College of Computer Science and Technology Key Laboratory of Symbol Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun China College of Computer Science and Technology Key Laboratory of Symbol Computation and Knowledge Engineering of Ministry of Education Changchun China College of Science Northeast China Institute of Electric Power Engineering Jilin China EAAF of PLA Institute of General Development and Evaluation of Equipment Beijing China College of Life Science Jilin University Changchun China

This paper presents a method of medicine composition concentration analysis based on least square support vector machines (LS-SVMs) and examines the importance of the hyperparameter choice in improvement of algorithm performance. Simulation results show that the proposed method obtains high quality precision in the generalization, compared with multiple linear regression, and that it is an efficient approach to regression estimation.

关键词： Least squares methods Support vector machines educational institutions Performance analysis Algorithm design and analysis knowledge engineering Linear regression Spectral analysis Quadratic programming Lagrangian functions

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A PKI-based lightweight workflow model

A PKI-based lightweight workflow model

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International Conference on Control and Automation (ICCA)

作者： Jian Zhang Jigui Sun Niya Li Chengquan Hu Zehai Li College of Computer Science and Technology Jilin University and with the Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University China

The workflow model is the abstract expression of the workflow or the business process. Following the WfMC reference model, a PKI-based lightweight workflow model named as PBLW is put forward in this paper. The framework of PBLW is proposed. Based on the time constraint directed graph, the workflow theory model in formalization is described in detail, and the time constraint problems are discussed in order to enhance the time management ability of the workflow model. Furthermore, in order to express the complicated secure access control constraint of the workflow, a conditioned RBAC model based on PKJ technology is presented, according to the traditional RBAC security access control model. Finally, the workflow engine driven algorithms for the workflow instance are given. By the actual inspection and users' feedback, it proves that this model can express the basic requirements of a majority of the process applications.

关键词： Engines Time factors educational technology Laboratories knowledge engineering Computer science education Constraint theory Access control Workflow management software Computer science

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Applying change impact analysis and design metrcs in CBR based software design improvement

Applying change impact analysis and design metrcs in CBR bas...

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International Symposium on Communications and Information Technologies (ISCIT)

作者： Tie Feng Jiachen Zhang Wenjin Li Key Laboratory Symbolic Computation and Knowledge Engineering of Ministry of Education College of Computer Science and Technology Jilin University Changchun Jilin China

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A study on parallel semantics of constraint logic programs

A study on parallel semantics of constraint logic programs

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International Conference on Machine Learning and Cybernetics (ICMLC)

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

This paper presents two parallel semantics of constraint logic programs: multiset answer constraint semantics and game semantics, which differ entirely from the traditional semantics. When giving the first semantics, it adopts the s-semantics approach, whose aim is to find notions of models which really capture the operational semantics. And it defines the program equivalence based on multiset answer constraint. Then it investigates the game semantics and proves that it is consistent with traditional operational semantics. On the basis of these two semantics, programmers can comprehend the programs deeply and develop more sound parallel constraint logic programming systems. Finally, it gives the conclusions and future work.

关键词： Logic programming Sun educational institutions Computer science educational technology Laboratories Concurrent computing knowledge engineering Computer science education educational programs

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CommonCube-based conceptual modeling of ETL processes

CommonCube-based conceptual modeling of ETL processes

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International Conference on Control and Automation (ICCA)

作者： Zehai Li Jigui Sun Haihong Yu Jian Zhang College of Computer Science and Technology Jilin University Changchun China Key Laboratory of Symbolic Computation and Knowledge Engineering Ministry of Education Changchun China

ETL tools are responsible for the extraction of data from sources, their cleansing and loading into a target data warehouse. However, nowadays, the design and development of ETL processes are performed in an in-house fashion, and need uniformed methodological foundations. In this paper, we propose a novel conceptual model for the modeling of ETL processes. We employ CommonCubes to represent the cubes in a target data warehouse. CommonCubes release the design of ETL processes from overdependence on the physical schema of the target data warehouse, and enable the designers to pay more efforts to data transforming than data loading when designing ETL processes. Based on the constraint functions on source attributes and the transforming operations on target attributes, we define ETL mappings 1:0 capture the semantics of various relationship cardinalities between source attributes and target attributes, which provide a good basis for the design of ETL processes.

关键词： Data warehouses Data mining Cleaning Computer science Process design Costs educational technology Laboratories knowledge engineering Computer science education

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Realize utility-driven decision theoretic planning on the planning graph

Realize utility-driven decision theoretic planning on the pl...

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： You-hong Zhang Ming-hao Yin Wen-xiang Gu Department of Information and Mathematics College of Science Foshan University Foshan China School of Computer Science Northeast Normal University Changchun Jilin China Key Laboratory for Symbolic Computation and Knowledge Engineering of Ministry of Education Changchun China

This paper presents a new model to incorporate decision theory into Graphplan framework, which enables our planner to handle uncertainty and make decision to choose the optimal one among a set of hypothesis valid plans. This planer, called UTDP is tested on several experimental domains. And the experimental results show that UTGP is sound and efficient and performs better than the famous probabilistic planner Buridan.

关键词： Uncertainty Decision theory Strips Mathematics educational institutions Computer science Laboratories Computer science education Electronic mail Mathematical model

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