Fixed versus dynamic co-occurrence windows in TextRank term weights for information retrieval.
Wei LuQikai ChengChristina LiomaPublished in: SIGIR (2012)
Keyphrases
- co occurrence
- term weights
- information retrieval
- query terms
- wordnet
- semantic similarity
- term weighting
- named entities
- retrieval model
- visual words
- semantic relations
- topic models
- tf idf
- latent semantic analysis
- term co occurrence
- bag of visual words
- term frequency
- text retrieval
- vector space model
- context sensitive
- retrieval effectiveness
- language model
- feature space
- feature selection
- search engine