2015 | OriginalPaper | Buchkapitel
Answering PICO Clinical Questions: A Semantic Graph-Based Approach
verfasst von : Eya Znaidi, Lynda Tamine, Chiraz Latiri
Erschienen in: Artificial Intelligence in Medicine
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In this paper, we tackle the issue related to the retrieval of the best evidence that fits with a PICO (Population, Intervention, Comparison and Outcome) question. We propose a new document ranking algorithm that relies on semantic based query expansion bounded by the local search context to better discard irrelevant documents. Experiments using a standard dataset including 423 PICO questions and more than 1,2 million of documents, show that our aproach is promising.