Keyphrases
- graph data
- graph mining
- structured data
- graph databases
- relational data
- pattern mining
- frequent subgraph mining
- regular expressions
- information extraction
- graph classification
- huge number
- graph structure
- knowledge base
- databases
- small number
- directed graph
- data structure
- knowledge discovery
- pattern discovery
- link analysis
- machine learning
- data mining
- frequent subgraphs