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The design and analysis of distributed authentication scheme in VANET

The design and analysis of distributed authentication scheme...

引用

IEEE Youth Conference on Information, Computing and Telecommunication, YC-ICT

作者： Jian Wang Yanheng Liu Yu Jiao Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun Jilin China Jilin University Changchun Jilin CN

Vehicular ad hoc networks (VANETs) have many new characteristics unlike traditional network, such as centriclessness, mobility and multi-hop transmission, which invalidate conventional key managements. The fast development and successful application of trusted computing technology provide a potential solution to achieve effective authentication and trust evaluation. According to the VANETs with hierarchy organization structure like tank group, a new authentication and trust evaluation framework is proposed based on trusted computing technology, the concepts of "trusted attribute" and "trusted grade" are introduced, and the key management architecture as well as authentication process of mobile node are explained in detail. Moreover, the real applications of the presented framework in tank fight are discussed, and the trust evaluation methods and its argumentations in the presented framework are given.

关键词： Authentication Frequency Wire Electronic packaging thermal management Circuit simulation Scattering parameters Bonding Integrated circuit packaging Chip scale packaging Equivalent circuits

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Modeling Router-Level Internet Topology

Modeling Router-Level Internet Topology

引用

International Workshop on Chaos-Fractals Theories and Applications (IWCFTA)

作者： Cheng Zhang Yanheng Liu Jian Wang Minhui Xia Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun China Jilin University Changchun Jilin CN

Modeling Internet topology is necessary for analyzing of network characteristics for the large and even growing network size. For example, the evolution of network structure and node attributes in the network is a key issue for us to understand the network properties and to design appropriate internetworking technology. In this paper, we define ¿favorability degree¿ to quantity the attributes of a node in the network. Then, a new modeling algorithm for Internet router-level topology is proposed by considering the influence of both node static and dynamic properties. By means of simulations and power-law, the presented modeling algorithm is demonstrated to be capable of precisely modeling the Internet router-level topology.

关键词： Network topology IP networks Frequency Large-scale systems Web and internet services Distribution functions Chaos Application software Educational institutions Computer science

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Improved Semantic Retrieval Based on Domain Ontology

Improved Semantic Retrieval Based on Domain Ontology

引用

International Conference on Fuzzy Systems and knowledge Discovery (FSKD)

作者： Dong-hui Yuan Da-you Liu Shi-qun Shen Pu Yan Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun China Jilin University Changchun Jilin CN

Semantic retrieval is a hot area of Web search technology constantly because of the growing information. This paper proposed a creative semantic retrieval method with Path Weight Semantic Distance (PWSD) algorithm which is improved from current model. Based on the domain ontology built by protege, PWSD considers both the hierarchy and the property restrictions of the concepts synthetically, and provides an accurate computation of semantic distance between conceptions. We have investigated the feasibilities, advantages and statistical significances from the comparison between our system and personalized categorization system (PCAT) and found that our system has high performances with 95% or higher statistical significance for short queries tasks.

关键词： Ontologies Information retrieval Educational technology Web search Taxonomy Search engines Fuzzy systems Educational institutions Computer science Laboratories

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Impact of human factors on email worm propagation

Impact of human factors on email worm propagation

引用

IEEE Symposium on Web Society, SWS

作者： Xin Sun Yanheng Liu Jian Wang Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun Jilin China Jilin University Changchun Jilin CN

One of the most prevalent security problems in network is the rampant propagation of email worms. Unlike active worms, the email worm has to be activated by user action in order to spread further. This paper deals with modeling email worm propagation by analyzing and combining human factors. Impact of human factors on email worm propagation is investigated and discussed. Results of email worm propagation under a practical simulation environment show that the presented model well describes the email worm behavior. Conclusions are also drawn that infection probability decreases during evolution of worm infection due to the security consciousness rising, and highly connected nodes are more susceptible.

关键词： Human factors Computer worms Network topology Security Electronic mail Educational institutions Computer science Educational technology Laboratories Computer networks

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Semantic Web Service Modeling and Composition Based on Description Logic Rule

Semantic Web Service Modeling and Composition Based on Descr...

引用

International Conference on Information Technology and Computer Science, ITCS

作者： Sipei Liu Dayou Liu Hong Qi College of Computer Science and Technology Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun China

One kind of semantic Web service modeling and composition method based on description logic (DL) rule is introduced in this paper. We use DL rule to figure out the hyponymy relationship between concepts of domain ontology and model Web service functional semantic of ServiceProfile, and define service DL rule to describe semantic matching of atomic Web service. Furthermore, we propose DL rule chain to describe semantic Web service composition, and prove that its semantic is corresponding to a new DL rule. Moreover, we give DL rule chain finding algorithm and WSR matching algorithm to find the composition result. Finally, we generate a dataset to test two algorithms above and show perfect execution efficiency.

关键词： Semantic Web Web services Ontologies Logic functions Computer science Meteorological radar Testing Information technology Educational institutions Educational technology

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An Approach to Accelerate Diagnosis by Isomorphic Determining

An Approach to Accelerate Diagnosis by Isomorphic Determinin...

引用

International Conference on Information engineering and Computer Science (ICIECS)

作者： Xiaoyu Wang Dantong Ouyang Yuxuan Feng Jian Zhao College of Computer Science & Technology Key Laboratory Symbolic Computation and Knowledge engineering Ministry of Education Jilin University Changchun China

When diagnosing dynamic system represented as discrete-event systems, it needs to find what happened to the systems from observations. The behavior of system could be represented by automaton model. The diagnostic task consists in determining the models compatible with the observations, but the global computation which is needed in synchronization costs exponential time. In this paper we propose a new method to simplify the automaton by isomorphic determining. The cost of computation will be significantly cut down by merging the automatons with the same structure, and the time-complexity of the diagnosis process could be reduced by the method.

关键词： Acceleration Automata Discrete event systems Educational institutions Computer science Laboratories knowledge engineering Costs computational efficiency Merging

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Automatic Integration of Deep Web Query Interfaces Based on Ontology

Automatic Integration of Deep Web Query Interfaces Based on ...

引用

International Conference on Computer Sciences and Convergence Information Technology (ICCIT)

作者： Ying Wang Tao Peng Wanli Zuo Fengling He College of Computer Science and Technology Ministry of Education Key Laboratory of Symbolic Computation and Knowledge Engineering Jilin University Changchun China

ISBN: (纸本)9781424452446

Query interface is used to formulate queries to receive needed data from web databases in deep web. In order to access domain-specific databases, the most important step is to construct an integration interface that allows uniform access to disparate relevant sources. Therefore, this paper proposes a novel method of integrating query interfaces based on ontology in deep web. Firstly, make full use of the complex relationships which are provided by ontology, and find the semantic relationships between attributes. Then, record the matching relationships and matching frequencies into a mapping table to reserve the structure and the order of attributes. Lastly, extract these concepts from ontology as integration interface attributes which are matched with corresponding attribute labels from local interfaces, and descend order in accordance with the matching frequencies to get an integration interface. Experiment result shows that this method has dramatically improved the matching precision of query interfaces.

关键词： Deep Web Ontology Interface integration Mapping table

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Service Community Model for Web Service Composition

Service Community Model for Web Service Composition

引用

International Workshop on Intelligent Systems and Applications, ISA

作者： Si-Pei Liu Da-You Liu Yao-Fu Cao Hong Qi College of Computer Science and Technology Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun China

In this paper, we introduce two concepts of service semantic relation and semantic relation chain to figure out service composition relation and sequentially service composition. For parallel service composition, we propose Web service community (WSC) model which corresponding to a Split+Join structure, So we introduce a kind of divide and conquer method to convert parallel service composition into sequentially service composition based on WSC chains and which can solve sequential and parallel service composition problems in an agreement way. Finally, a parallel composition example illustrations the execution process of our method.

关键词： Web services Ontologies Automation Artificial intelligence Merging Educational institutions Computer science Educational technology Laboratories knowledge engineering

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Automatic Deep Web Query Results Extraction Based on Tag Trees

Automatic Deep Web Query Results Extraction Based on Tag Tre...

引用

International Symposium on computational Intelligence and Design, ISCID

作者： Ying Xie Wanli Zuo Fengling He Ying Wang College of Computer Science and Technology Jilin University Changchun China Key Laboratory of Symbolic of Computation and Knowledge Engineering Ministry of Education China

Automatic deep Web query results extraction is a key step of deep Web query results processing. Extracting the query results correctly is the precondition and guarantee of realizing semantic annotation and data integration. In this paper, a simple method for extracting deep Web query results automatically based on tag trees is proposed according to the features of deep Web query results page. The method first builds a tag tree of the given result page. Then finds minimal data regions in the tag tree from top to down, and extracts data records included by them. The experiment has shown that the method is effective.

关键词： Data mining HTML Web pages computational intelligence Educational institutions Computer science Educational technology Laboratories knowledge engineering Computer science education

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Semantic-Based Hierarchicalize the Result of Suffix Tree Clustering

Semantic-Based Hierarchicalize the Result of Suffix Tree Clu...

引用

International Symposium on knowledge Acquisition and Modeling, KAM

作者： Guodong hu Wanli Zuo Fengling He Ying Wang College of Computer Science and Technology Jilin University Changchun China Key Laboratory of Symbolic of Computation and Knowledge Engineering Ministry of Education China

Suffix tree clustering is a fast, incremental, linear time clustering algorithm, but there are synonymous and label-contained relations among the result clusters. So just return these results to the users directly, would give them an added burden. In response to this problem, this paper presents a method that merging the semantic duplicate clusters and hierarchicalizing the label-contained clusters. The experimental results show that this method can effectively remove semantic duplication and hierarchicalize label-contained clusters clearly. It improves the organization of clustering results. To the STC search engine, this will provide users with better results and better classification.

关键词： Clustering algorithms Search engines Merging Java knowledge acquisition Educational institutions Computer science Educational technology Laboratories knowledge engineering

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