Term frequency dynamics in collaborative articles.
Sérgio NunesCristina RibeiroGabriel DavidPublished in: ACM Symposium on Document Engineering (2010)
Keyphrases
- term frequency
- text categorization
- text classification
- tf idf
- retrieval model
- average precision
- bag of words
- text documents
- term weighting
- inverse document frequency
- document frequency
- document retrieval
- document representation
- query terms
- image content
- neural network
- query expansion
- retrieval effectiveness
- bayesian networks
- document clustering
- vector space model
- language model
- information retrieval systems
- object recognition
- multiscale
- multimedia
- information retrieval