Effective query expansion for federated search.
Milad ShokouhiLeif AzzopardiPaul ThomasPublished in: SIGIR (2009)
Keyphrases
- query expansion
- federated search
- relevant documents
- information retrieval systems
- retrieval effectiveness
- information retrieval
- document ranking
- resource selection
- query specific
- language model
- language modeling
- relevance feedback
- web search
- pseudo relevance feedback
- text retrieval
- distributed information retrieval
- document retrieval
- query terms
- ad hoc retrieval
- user queries
- document collections