Keyphrases
- abstract data types
- semantic network
- data types
- programming language
- object oriented databases
- relational database systems
- spreading activation
- semantic net
- data model
- wordnet
- semantic relations
- knowledge base
- data structure
- knowledge sources
- predicate calculus
- predicate logic
- domain knowledge
- database
- database management systems
- object oriented
- query language
- data sets
- databases
- artificial intelligence
- database systems
- general purpose
- distributed databases
- relational databases
- knowledge based systems
- preprocessing
- co occurrence