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Erschienen in:
2005 | OriginalPaper | Buchkapitel
On the Query Refinement in Searching a Bibliographic Database
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In this paper we present an application of the logic-based query refinement in the searching for information in an information portal. The refinement approach is based on the discovery of causal relationships between queries regarding the inclusion relation between the answers of these queries. We define a formal model for the query-answering pairs and use methods from the inductive logic programming for the efficient calculation of a (lattice) order between them. In a case study we demonstrate the benefits of using our approach in the traditional information retrieval tasks. We focus on the combination of the free-text based querying and the logic-based query refinement.