Beyond bag-of-words: Bigram-enhanced context-dependent term weights.
Edward K. F. DangRobert W. P. LukJames AllanPublished in: J. Assoc. Inf. Sci. Technol. (2014)
Keyphrases
- bag of words
- context dependent
- term frequency
- term weights
- text classification
- term weighting
- image classification
- n gram
- visual words
- document representation
- action recognition
- image representation
- low level
- language model
- text categorization
- text documents
- natural language
- high level
- index terms
- retrieval model
- co occurrence
- tf idf
- feature selection
- machine learning
- computer vision