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Knowledge-based query expansion to support scenario-specific retrieval of medical free text
- Information Retrieval
, 2005
"... In retrieving medical free text, users are often interested in answers pertinent to certain scenarios that correspond to common tasks performed in medical practice, e.g., treatment ordiagnosis of a disease. A major challenge in handling such queries is that scenario terms in the query (e.g. treatmen ..."
Abstract
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Cited by 35 (1 self)
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improvements over the statistical method in terms of average precision-recall. On the OHSUMED testbed, for example, the improvement is more than 5 % averaging over all scenario-specific queries studied and about 10 % for queries that mention certain scenarios, such astreatment of a disease anddifferential
ABSTRACT Knowledge-Based Query Expansion to Support Scenario-Specific Retrieval of Medical Free Text
"... In retrieving medical free text, users are often interested in answers relevant to certain scenarios, scenarios that correspond to common tasks in medical practice, e.g., “treatment ” or “diagnosis” of a disease. Consequently, the queries they pose are often scenario-specific, e.g., “lung cancer, tr ..."
Abstract
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on the OHSUMED testbed shows that the knowledge-based method which results in scenario-specific expansion is able to improve more than 5 % over the statistical method on average, and about 10 % for queries that mention certain scenarios, such as “treatment of a disease ” and “differential diagnosis of a symptom/disease.”
