Keyphrases
- knowledge representation
- query processing
- database systems
- knowledge engineering
- expert systems
- intelligent systems
- multidatabase environment
- natural language understanding
- artificial intelligence
- machine learning
- similarity search
- knowledge based systems
- knowledge acquisition
- natural language processing
- natural language
- knowledge base
- index structure
- efficient processing
- cost model
- databases
- processing queries
- general knowledge
- probabilistic reasoning
- data management
- query optimization
- user queries
- decision support
- r tree
- aggregate queries
- genetic algorithm
- data partitioning
- data structure
- xml data
- legal knowledge
- database query processing