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Annotating Question Types for Consumer Health Questions.
Most research in automatic question answering has focused on well-formed factoid questions in the style of the TREC Question Answering evaluations (Prager, 2006). However, real-life questions that automatic systems must handle are typically not well-formed or explicit in their information needs. This is particularly the case for consumer health questions. Zhang (2010) focuses on consumer health questions submitted to Yahoo Answers, finding these questions were largely concerned with diseases and symptoms, contained many abbreviations and misspellings, and often contained more than one actual question.