2009•Computer Knowledge and TechnologyRequires access
Research on Ontology-based Personalized Information Retrieval
Xiaohua Yang
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Abstract
Analyzing the problem that the traditional information retrieval system has some weak point, we put forward a ontology-based personalized information retrieval system design ideas and system model, and described the components of the model, introduced how to realize information retrieval with domain knowledge of ontology and user ontology profile. Finally, performance evaluation of the model shows the great improvement of the ratio of recall and precision as expected.