Keyphrases
- uncertain databases
- probabilistic databases
- user queries
- probabilistic model
- response time
- uncertain data
- query processing
- query evaluation
- mining algorithm
- database
- query expansion
- keywords
- programming language
- text mining
- knowledge discovery
- data structure
- relevance feedback
- complex queries
- expert systems
- search queries
- bayesian networks
- log analysis
- pattern mining
- search query logs
- frequent patterns
- query formulation
- sequential patterns
- data mining techniques
- data mining
- range queries
- vector space
- web mining
- database queries
- user interaction
- query execution
- search engine
- information retrieval
- semantically equivalent
- databases