Concept Based Representations as Complement of Bag of Words in Information Retrieval.
Maya CarrilloAurelio López-LópezPublished in: AIAI (2010)
Keyphrases
- bag of words
- information retrieval
- image classification
- text classification
- visual words
- action recognition
- image representation
- n gram
- information retrieval systems
- document representation
- bag of words models
- vector space model
- portuguese language
- text representation
- explicit semantic analysis
- text clustering
- document collections
- language model
- text mining
- textual features
- retrieval model
- search engine
- fisher kernel
- text documents
- test collection
- tf idf
- text categorization
- retrieval systems
- information filtering
- question answering
- query expansion
- image features
- knowledge discovery
- text retrieval
- sparse representation
- world knowledge
- information extraction
- data analysis
- object recognition