Retrieval models for question and answer archives.
Xiaobing XueJiwoon JeonW. Bruce CroftPublished in: SIGIR (2008)
Keyphrases
- retrieval model
- document retrieval
- information retrieval systems
- correct answers
- retrieval effectiveness
- language modeling
- language model
- statistical language models
- information retrieval
- vector space model
- structured queries
- test collection
- query expansion
- retrieval systems
- user queries
- vector space
- text retrieval
- digital libraries
- retrieval framework
- tf idf
- relevance feedback
- multimedia
- trec collections
- retrieval functions
- retrieval process
- document collections
- improvements in retrieval effectiveness
- query terms