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KMID : 1137820150360040128
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의공학회지
2015 Volume.36 No. 4 p.128 ~ p.134
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Usefulness of RDF/OWL Format in Pediatric and Oncologic Nuclear Medicine Imaging Reports
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Hwang Kyung-Hoon
Lee Hae-Jun
Koh Geon
Choi Duck-Joo
Sun Yong-Han
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Abstract
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Recently, the structured data format in RDF/OWL has played an increasingly vital role in the semantic web. We converted pediatric and oncologic nuclear medicine imaging reports in free text into RDF/OWL format and evaluated the usefulness of nuclear medicine imaging reports in RDF/OWL by comparing SPARQL query results with the manually retrieved results by physicians from the reports in free text. SPARQL query showed 95% recall for simple queries and 91% recall for dedicated queries. In total, SPARQL query retrieved 93% (51 lesions of 55) recall and 100% precision for 20 clinical query items. All query results missed by SPARQL query were of some inference. Nuclear medicine imaging reports in the format of RDF/OWL were very useful for retrieving simple and dedicated query results using SPARQL query. Further study using more number of cases and knowledge for inference is warranted.
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KEYWORD
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Nuclear medicine, Imaging report, RDF/OWL, SPARQL query
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