Task: Answer Verification
Input (English): Question: Does improving search over Electronic Health Records using UMLS-based query expansion through random walk?
Answer: Our analysis shows that the success of our method is due to the automatic expansion of the query with extra terms, even when they are not directly related in the UMLS Metathesaurus. The terms added in the expansion go beyond simple synonyms, and also add other kinds of topically related terms.
Output (English): yes