Keyphrases
- document representation
- document content
- semantic information
- bag of words
- vector space model
- document clustering
- document collections
- web documents
- text representation
- document structure
- index terms
- data fusion
- text documents
- language model
- contextual information
- document categorization
- document space
- vector space
- vector representation
- semantic similarity
- high level
- context aware
- web pages
- information retrieval
- document retrieval
- action recognition
- image classification
- natural language
- multimedia
- background knowledge
- text data
- wordnet
- co occurrence
- domain knowledge
- keywords
- machine learning