Keyphrases
- language modeling
- retrieval model
- query expansion
- language model
- information retrieval
- expert finding
- document retrieval
- document length
- term weighting
- test collection
- information retrieval systems
- statistical language models
- relevance model
- retrieval effectiveness
- cross lingual
- trec collections
- language models for information retrieval
- retrieval systems
- sentence retrieval
- statistical language modeling
- n gram
- text retrieval
- probabilistic model
- vector space model
- trec test collections
- query terms
- vector space
- relevance feedback
- ad hoc information retrieval
- pseudo feedback
- language modeling approaches
- term dependencies
- relevant documents
- term frequency
- text classification
- user queries
- image retrieval
- translation model
- information extraction
- retrieval accuracy
- feature extraction
- pseudo relevance feedback
- database systems
- tf idf
- data mining