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Research on Technology of Deep Web Schema Matching

Author: ZhongZuo
Tutor: FuYuZuo
School: Suzhou University
Course: Applied Computer Technology
Keywords: Deep Web Pattern Matching Global mode Data Integration
CLC: TP393.092
Type: Master's thesis
Year: 2008
Downloads: 193
Quote: 2
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Abstract


The large amount of information on the Web can only be obtained by querying interface , these resources are considered as Deep Web resources . Different query interfaces for different areas of interest , have each different query capabilities and content coverage . Therefore , users need frequent access to different resources interface in order to obtain the desired information , which is very time-consuming . To deal with this problem , an effective solution is to create an integrated query interfaces. Global interface available to users a unified access channels . Pattern matching is integrated prerequisite . Firstly Deep Web mode matching technique for in-depth analysis and research , to learn from prior art presents a new pattern matching method , and then realize the Deep Web interface integration based on the match result . Finally, a Deep Web object - oriented query interface integrated design of the prototype system . This paper studies the work include : (1) first introduced the Deep Web knowledge and research status at home and abroad , and then elaborate the concepts and principles of pattern matching , and to conduct a comparative analysis of the traditional pattern matching technology and the main pattern matching technology . (2) Deep Web pattern matching , the paper proposes a holistic pattern matching methods ( Correlated -clustering ) based on data mining technology , the main use of the positive correlation associated mining to discover potential attribute groups , and the use of clustering thinking of synonymous attributes excavation . ( 3 ) the use of pattern matching results , combined with the type and range of values ??of the data fields , construct and generate a Deep Web thematic areas of global mode available to the users integrated unified query interface . ( 4 ) According to the study , the final design of the Deep Web object - oriented query interface integrated system . The article also experimental validation of the proposed methods and technology , through the analysis of the experimental results further illustrate the technical approach proposed in this paper is effective .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > The application of computer network > Web browser
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