Improving Authoring-by-Aggregation and Using Aggregation Context for Query Expansion.
Marek MeyerChristoph RensingRalf SteinmetzPublished in: EC-TEL (2007)
Keyphrases
- query expansion
- information retrieval systems
- retrieval effectiveness
- information retrieval
- language model
- text retrieval
- relevant documents
- language modeling
- relevance feedback
- retrieval model
- query terms
- automatic query expansion
- pseudo relevance feedback
- biomedical information retrieval
- ranked retrieval
- improving search
- rank aggregation
- original query
- query translation
- search engine
- machine learning
- ad hoc retrieval
- digital libraries
- web corpora
- web search