Maximum entropy model parameterization with TF∗IDF weighted vector space model.
Ye-Yi WangAlex AceroPublished in: ASRU (2007)
Keyphrases
- vector space model
- tf idf
- information retrieval
- vector space
- retrieval model
- average precision
- term frequency
- semantic similarity
- language model
- document clustering
- web documents
- semantic information
- test collection
- word sense
- language modeling
- retrieval effectiveness
- machine learning
- text retrieval
- information retrieval systems
- knowledge representation
- action recognition
- text categorization