Does Query Expansion Limit Our Learning? A Comparison of Social-Based Expansion to Content-Based Expansion for Medical Queries on the Internet.
Christopher PentoneyJeffrey HarwellGondy LeroyPublished in: AMIA (2014)
Keyphrases
- query expansion
- query disambiguation
- query generation
- retrieval effectiveness
- vocabulary mismatch
- relevance feedback
- information retrieval systems
- learning algorithm
- improving search
- ad hoc retrieval
- original query
- text retrieval
- pseudo relevance feedback
- information retrieval
- automatic query expansion
- learning process
- query terms
- language model
- search logs
- machine learning
- expansion terms
- retrieval model
- active learning
- co occurrence
- query specific
- initial query
- relevant documents
- short queries
- query expansion methods