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Applying model-transformation techniques to ontology evolution

Applying model-transformation techniques to ontology evoluti...

引用

2nd International Conference on Grid Service engineering and Management, GSEM 2005 - Co-located with the 6th International Conference on Net.ObjectDays 2005, NODe 2005

作者： Jin, Longfei Liu, Lei Guo, Degui Key Laboratory of Symbolic Computation Knowledge Engineering of Ministry of Education of China Jilin University Changchun China

ISBN: (纸本)3885793989

Ontology evolution in the Model Driven Semantic Web can be looked as a process of model transformations. A model-transformation based conceptual framework for ontology evolution is presented in the paper. Applications of model transformations in every phase of ontology evolution process are described. The framework combines technologies of ontology evolution, Ontology Definition Metamodel and model transformations, and it can be looked as a method for ontology evolution in the Model Driven Semantic Web.

关键词： Ontology

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A conditioned secure access control model based on multi-weighted roles in workflow system

A conditioned secure access control model based on multi-wei...

引用

5th International Conference on Control and Automation, ICCA'05

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

ISBN: (纸本)0780391381

The traditional RBAC model already cannot express the complicated secure access control constraint of the workflow. Based on the traditional RBAC model, a new conditioned RBAC model named as CMWRBSAC is proposed on the basis of multi-weighted roles. A conditioned RBAC strategy is discussed on the basis of dynamic role assignment. A new concept of workflow access authorization is defined on the basis of roles with multi-weights, including the hierarchy weight, the degree weight and the sequence weight. Furthermore, in order to solve the problems of the sequence constraint of cooperative activating task by multi-roles and multi-users, a sort algorithm based on token and a sort algorithm based on weighted roles synthesis are presented respectively. Finally, an example is given to show the work processes of these algorithms. This model can express complicated workflow secure access control constraint. © 2005 IEEE.

关键词： Security systems

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A design of product configuration manager based on weight constraint parameter value in manufacture

A design of product configuration manager based on weight co...

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5th International Conference on Control and Automation, ICCA'05

作者： Li, Niya Liu, Dayou Zhang, Jian College of Computer Science and Technology Jilin University Key Laboratory of Symbolic Computation and Knowledge Engineering Ministry of Education Jilin University China

ISBN: (纸本)0780391381

The configuration problem in manufacture is more complicated than most other fields. Therefore, the design of modeling and reasoning module for product configuration manager in manufacture is very important and complex. It is just what is mainly discussed in this paper. A framework of PCM in manufacture is put forward according to the Expert System theories, and a series of formalized knowledge representations and a data-driven graph control strategy for the PCM are provided. In the knowledge representations, the weight constraint is defined to distinguish the origins of the parameter value. It can be used to simplify the consistency check and effectivity check of the parameter. Furthermore, the search space of the configuration problem can be also easily compressed. The control strategy strengthens the real-time interaction between the user and the PCM so as to decompose the reasoning process. The reasoning process of the control strategy is described in detail by the configuration reasoning graph which is defined in this paper. © 2005 IEEE.

关键词： Flexible manufacturing systems

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A PKI-based lightweight workflow model

A PKI-based lightweight workflow model

引用

5th International Conference on Control and Automation, ICCA'05

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

ISBN: (纸本)0780391381

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 PKI 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. © 2005 IEEE.

关键词： Electronic document identification systems

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Operational semantics of ambient calculus

Operational semantics of ambient calculus

引用

SOSE 2005: IEEE International Workshop on Service-Oriented System engineering

作者： Zhang, Jing Jin, Ying Guo, De-Gui Liu, Lei Jin, Cheng-Zhi Key Laboratory of Symbolic Computation and Knowledge Engineering Ministry of Education of P.R.China Juin University Changchun 130012 China

ISBN: (纸本)0769524389

Mobile ambients is a process calculus for modeling mobile agents in wide-area networks. It has important theoretical and practical values in studying concurrent and mobile computation as well as the security of interactive systems. In this paper a frame structure is given for Mobile Ambients. First we introduce the concept of ambient calculus frame. Then we propose a construction method for translating an ambient definition into the frame definition, a transformation function is given based on the method. Next the movement and interaction of the code are discussed based on the frame structure. Finally an operating semantics is developed basing on the frame structure, an example of a frame and its execution are given. Introducing frame structure for ambient calculus is an attempt to provide languages support for asynchronous, distributed, and mobile programming. The ideas and methods in this paper can also be applied to other calculi with concurrency and mobility. © 2005 IEEE.

关键词： Mobile computing

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A study on parallel semantics of constraint logic rograms

A study on parallel semantics of constraint logic rograms

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International Conference on Machine Learning and Cybernetics, ICMLC 2005

作者： Sun, Ji.-Gui Zhang, Yong-Gang College of Computer Science and Technology Jilin University Changchun 130012 China Key Laboratory for Symbolic Computation and Knowledge Engineering Ministry of Education Changchun 130012 China

ISBN: (纸本)078039092X

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. © 2005 IEEE.

关键词： Semantics

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Mining attributes' sequential patterns for error identification in data set

Mining attributes' sequential patterns for error identificat...

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International Conference on Machine Learning and Cybernetics, ICMLC 2005

作者： Liu, Ya-Bo Liu, Da-You College of Computer Science and Technology Jilin University Changchun 130012 China Key Laboratory of Symbolic Computation and Knowledge Engineering Ministry of Education Jilin University Changchun 130012 China

ISBN: (纸本)078039092X

It is well recognized that sequential pattern mining plays an essential role in many scientific and business domains. In this paper, a new extension of sequential pattern, attributes' sequential pattern, is proposed. An attributes' sequential pattern is a sequence of attributes, whose values commonly occur in ascending order over data set. After each record in data set is transformed into an attributes' sequence according to their ordinal values, attributes' sequential patterns can be mined by means of mining sequential patterns. But our work is different from sequential pattern mining. One use of attributes' sequential patterns is to identify possible errors in data set for data cleaning, in which the values of attributes break the attributes' sequential patterns which most of the data conform to. Experiments verify the high efficiency of the method presented. © 2005 IEEE.

关键词： Data mining

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Information flow security for interactive systems

引用

International Conference on Embedded and Ubiquitous Computing, EUC 2005

作者： Jin, Ying Liu, Lei Zheng, Xiao-Juan Key Laboratory of Symbolic Computation and Knowledge Engineering Jilin University Ministry of Education of P.R. China Changchun 130012 China Software College Northeast Normal University Changchun 130117 China

ISBN: (纸本)3540308075

The use of the Internet raises serious behavioural issues regarding, for example, security and the interaction among agents that may travel across links. Model-building such interactive systems is one of the biggest current challenges in computer science. A general model, action calculi, has been introduced by Robin Milner to unify the various emerging disciplines of interactive behaviour. In this paper action calculi is used as an abstraction of interactive systems and information flow security properties of such systems are studied. At first an information flow analysis for static action calculi is presented to predict how data will flow both along and inside actions and its correctness is proved;Next basing on the result of the analysis information security properties of both static and dynamic action calculi are discussed;Finally a general relationship are established between the static notation of information flow security and the dynamic one. © IFIP International Federation for Information Processing 2005.

关键词： Interactive computer systems

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Reasoning about ceteris paribus preference with constraint hierarchy framework

Reasoning about ceteris paribus preference with constraint h...

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International Conference on Machine Learning and Cybernetics (ICMLC)

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

CP-networks provide a convenient means for expressing preferences in reasoning, but it is not good at handling preferences with hard constraints. The paper proposes a new approach, which transforms the CP-network with hard constraints into one constraint hierarchy, therefore one could process preferences and constraints in a single formalism with fruitful constraint solving algorithms. Furthermore, illustrates it with some examples, proves that the transformation preserves the ceteris paribus property and presents some complexity results. Finally compares it with related work and concludes the paper.

关键词： Artificial intelligence Graphical models Bayesian methods Sun Educational institutions Computer science Educational technology Laboratories knowledge engineering Computer science 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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