Using Meta-data to Search for Clinical Records: RMIT at TREC 2012 Medical Track
ROYAL MELBOURNE INST OF TECH (AUSTRALIA)
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Clinical records contain International Classification of Diseases ICD codes summarizing the primary andor secondary diseases of patients these codes can be used as evidence to find relevant documents. In this paper we propose a novel approach to locally build a knowledge source from the existing data set to be used for query expansion, exploiting the ICD codes. While this approach does not rely on any external knowledge sources, it proves to be significantly superior to our global expansion and baseline systems.
- Information Science
- Medicine and Medical Research