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Improving search over Electronic Health Records using UMLS-based query expansion through random walks.

Journal of Biomedical Informatics, (2014): 100-106

被引用39|浏览28
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摘要

•We built a novel architecture for information retrieval of patient records.•Our main module applies Personalised PageRank to a large graph of medical concepts.•We evaluated the method over two medical test collections, with competitive results.•The technique provides expansion terms that are not directly linked in the graph.•Some medical...更多

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