Keyphrases
- graph databases
- formal languages
- information extraction
- natural language
- structured data
- graph mining
- context free grammars
- natural language processing
- application domains
- pattern mining
- semi structured
- text mining
- information retrieval
- web documents
- formal language
- pattern languages
- graph model
- machine learning
- web mining
- regular expressions
- index structure
- xml databases
- query language
- similarity search
- mining algorithm
- knowledge representation
- relational data
- keyword search
- protein structure
- multi dimensional
- xml data