Abstract
We present an ontology-oriented approach to formulate que- ries in XML data integrating system in P2P environment. In this approach, XML schema trees (tree-pattern schemas) are annotated in a global domain ontology by terms of some OWL categories. The annotations are then used to two purposes: (1) to infer mappings between local XML schemas, and (2) to create local ”ontology views” which can be queried by users. We propose a set of rules for inferring mappings between XML schemas based on semantic relationships between terms used for annotating these schemas. Queries are issued against the local ontology using a user-friendly GUI. The query is answered in the local data source as well as in semantically connected data sources in a distributed P2P connected system. In this way the following objectives are accomplished: (1) queries can be formulated in a natural way conforming to the user’s understanding of the application domain; (2) queries are executed in a dynamic P2P system, where answers are obtained from many data sources semantically connected by means of mappings between their schemas; (3) queries are efficiently executed by translating them into XQuery programs.
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Pankowski, T. (2009). Ontology-Based Query Interface in a System for Semantic Integration of XML Data. In: Håkansson, A., Nguyen, N.T., Hartung, R.L., Howlett, R.J., Jain, L.C. (eds) Agent and Multi-Agent Systems: Technologies and Applications. KES-AMSTA 2009. Lecture Notes in Computer Science(), vol 5559. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-01665-3_84
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DOI: https://doi.org/10.1007/978-3-642-01665-3_84
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