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논문검색

Analysis of the Problem of Semantic Heterogeneity in the Integration of Railway System

초록

영어

Every information system has its own domain model for its environment and efficient task operation, which results in diverse heterogeneities, especially the semantic Heterogeneity. In this paper, order to adapt to the data request model of railway system, and semantic conflict type existing in the process of data integration, Ontology technology is employed in heterogeneous information integration, and a heterogeneous information framework is given. By finding semantic conflict initiative and constructing semantic mapping relations. In the case of SCADA data in railway system, Ontology mapping discovery algorithm is verified.

목차

Abstract
 1. Introduction
 2. The Data Integration Problem
  2.1. Feature of Data Integration Framework based on Ontology
  2.2. Wrapper/Mediator
  2.3. Types of Semantic Conflict
 3. The Key Technology of the System
  3.1. Multi Strategy Mapping Discovery based on Semantic Tree
  3.2. Ontology Mapping Algorithm
 4. Conclusion
 Acknowledgements
 References

저자정보

  • Haiming Jing School of Economics and Management, Shijiazhuang Tiedao University, Shjiazhuang, Hebei, 050043

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