Towards robust query expansion: model selection in the language modeling framework.
Mattan WinaverOren KurlandCarmel DomshlakPublished in: SIGIR (2007)
Keyphrases
- query expansion
- model selection
- language modeling framework
- language model
- information retrieval systems
- language modeling
- retrieval effectiveness
- retrieval model
- relevance model
- information retrieval
- pseudo relevance feedback
- relevance feedback
- machine learning
- relevant documents
- mixture model
- feature selection
- query terms
- original query
- query specific
- web search
- topic models
- document retrieval
- n gram
- cross lingual
- retrieved documents
- short queries
- data mining