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Indexing semi-structured documents for context-based information retrieval in a medical information system

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2 Author(s)
Laforest, F. ; Lab. d''Ingenierie des Syst. d''Inf., Inst. Nat. des Sci. Appliquees, Villeurbanne, France ; Tchounikine, A.

Most of the information retrieval models for documents are intended for SGML-like structured documents. In the context of medical informatics, the patient record document needs a looser structuration process as an a priori structure can hardly be defined. Thus we first propose an authoring tool that allows us to annotate embedded information, i.e. to give them a context, with qualifiers that are stored in a thesaurus rather than in SGML-like DTD. The retrieval process in the patient records collection takes into account the flexibility of the qualifying process while reformulating the queries

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Database and Expert Systems Applications, 1999. Proceedings. Tenth International Workshop on

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