Abstract
In a domain specific information integration system CareHaven, a top-to-down integration strategy is adopted and XML is used as integration media. The main functional components of CareHaven and the disposal of user queries are fully explained in this paper. In the fulfilling of converting XML based query request to SQLs understood by data sources, we decompose the query request to sub requests that are easier to convert. Each sub request is converted with the aid of the mapping data. And the results of all sub requests is combined into one XML documents conformed to a certain DTD.
This work was supported by National Key Fundamental Research and Development Plan (973) of China under grant G1999032705.
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References
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Li, H., Tang, S., Yang, D., Yu, Y. (2001). An XML Based Electronic Medical Record Integration System. In: Wang, X.S., Yu, G., Lu, H. (eds) Advances in Web-Age Information Management. WAIM 2001. Lecture Notes in Computer Science, vol 2118. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-47714-4_15
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DOI: https://doi.org/10.1007/3-540-47714-4_15
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