Refining term weights of documents using term dependencies.
Hee-Soo KimIkkyu ChoiMinkoo KimPublished in: SIGIR (2004)
Keyphrases
- term weights
- term dependencies
- retrieval effectiveness
- retrieval model
- query terms
- information retrieval systems
- language model
- vector space model
- term weighting
- term frequency
- query expansion
- information retrieval
- test collection
- language modeling
- relevant documents
- tf idf
- document collections
- document retrieval
- average precision
- retrieved documents
- vector space
- co occurrence
- pseudo relevance feedback
- relevance model
- retrieval systems
- user queries
- relevance feedback
- relevance scores
- weighting schemes
- document clustering
- ranked list
- text retrieval
- ranking functions
- text categorization
- probabilistic model
- information extraction