Effective level of term frequency impact on large-scale retrieval performance: by top-term ranking method.
Soheila KarbasiMohand BoughanemPublished in: Infoscale (2006)
Keyphrases
- term frequency
- retrieval model
- average precision
- document length normalization
- term weighting
- text categorization
- tf idf
- text classification
- inverse document frequency
- bag of words
- term weights
- term proximity
- document frequency
- query terms
- text documents
- okapi bm
- information retrieval systems
- document retrieval
- probabilistic retrieval model
- document representation
- retrieval systems
- retrieval effectiveness
- language modeling
- text retrieval
- vector space
- test collection
- pseudo relevance feedback
- language model
- information retrieval
- vector space model
- evaluation metrics
- data mining
- ir models
- image content
- image database
- image retrieval