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Learning a Lightweight Ontology for Semantic Retrieval in Patient-Centered Information Systems

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  • Ulrich Reimer

    (University of Applied Sciences St. Gallen, Switzerland)

  • Edith Maier

    (University of Applied Sciences St. Gallen, Switzerland)

  • Stephan Streit

    (University of Applied Sciences St. Gallen, Switzerland)

  • Thomas Diggelmann

    (ai-one, Switzerland)

  • Manfred Hoffleisch

    (ai-one, Switzerland)

Abstract

The paper introduces a web-based eHealth platform currently being developed that will assist patients with certain chronic diseases. The ultimate aim is behavioral change. This is supported by online assessment and feedback which visualizes actual behavior in relation to target behavior. Disease-specific information is provided through an information portal that utilizes lightweight ontologies (associative networks) in combination with text mining. The paper argues that classical word-based information retrieval is often not sufficient for providing patients with relevant information, but that their information needs are better addressed by concept-based retrieval. The focus of the paper is on the semantic retrieval component and the learning of a lightweight ontology from text documents, which is achieved by using a biologically inspired neural network. The paper concludes with preliminary results of the evaluation of the proposed approach in comparison with traditional approaches.

Suggested Citation

  • Ulrich Reimer & Edith Maier & Stephan Streit & Thomas Diggelmann & Manfred Hoffleisch, 2011. "Learning a Lightweight Ontology for Semantic Retrieval in Patient-Centered Information Systems," International Journal of Knowledge Management (IJKM), IGI Global, vol. 7(3), pages 11-26, July.
    • Handle: RePEc:igg:jkm000:v:7:y:2011:i:3:p:11-26
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