An XML Query System in a Wrapper System for Integrating Heterogeneous Biological Databases 


Vol. 12,  No. 4, pp. 553-568, Aug.  2005
10.3745/KIPSTD.2005.12.4.553


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  Abstract

In order to integrate distributed biological information sources physically or virtually, it is necessary to overcome the heterogeneity of information sources and support a superior generality and adaptation in order to satisfy user's various demands. In this paper, we present a flexible and general XML query engine of a wrapper system in designing the middleware system to integrate data as well as application programs. Since this query engine applies user-defined XML view, it is possible to composite flexible integrated query. The query processing in a wrapper requires view composition, query translation into local sources, and generation of XML documents from local query results. We present a query processing model based on the view tree, where the XML views and the XML queries are represented by the view tree. Moreover, to confirm the generality of our query processing model, we present a methodology of query processing for relational databases, web sources, and application programs whose return types of query results are relational tuples or XML documents.

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[IEEE Style]

E. K. Park, D. W. Kang, C. Y. Jung, H. J. Kim, J. M. Bae, "An XML Query System in a Wrapper System for Integrating Heterogeneous Biological Databases," The KIPS Transactions:PartD, vol. 12, no. 4, pp. 553-568, 2005. DOI: 10.3745/KIPSTD.2005.12.4.553.

[ACM Style]

Eun Koung Park, Dong Wan Kang, Chai Young Jung, Hyun Ju Kim, and Jong Min Bae. 2005. An XML Query System in a Wrapper System for Integrating Heterogeneous Biological Databases. The KIPS Transactions:PartD, 12, 4, (2005), 553-568. DOI: 10.3745/KIPSTD.2005.12.4.553.

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