Keyphrases
- information retrieval
- random walk
- pattern matching
- structured data
- text information
- database
- textual data
- graph structure
- string matching
- graph representation
- text mining
- text retrieval
- bipartite graph
- free text
- graph theory
- graph model
- search engine
- information retrieval systems
- graph theoretic
- social networks
- graph databases
- directed acyclic graph
- text data
- natural language processing
- graph matching
- directed graph