Keyphrases
- term weighting
- utility theory
- multi attribute
- text retrieval
- information retrieval
- decision theory
- text categorization
- tf idf
- language modeling
- term frequency
- soft constraints
- vector space model
- expected utility
- von neumann
- fuzzy logic
- retrieval systems
- decision model
- belief functions
- decision problems
- utility function
- decision making
- bayesian networks
- text classification
- information retrieval systems
- retrieval model
- language model
- query terms
- n gram
- document collections
- constraint satisfaction problems
- machine learning