Keyphrases
- ontological framework
- knowledge acquisition
- domain knowledge
- prior knowledge
- artificial intelligence
- graph theory
- knowledge management
- knowledge representation
- directed graph
- knowledge sources
- graph structure
- graph representation
- knowledge base
- information extraction
- software engineering
- data mining techniques
- neural network
- random walk
- shortest path
- bipartite graph
- search engine
- graph databases
- graph theoretic