Data-driven construction of SPARQL queries by approximate question graph alignment in question answering over knowledge graphs.
Mahdi BakhshiMohammadali NematbakhshMehran MohsenzadehAmir Masoud RahmaniPublished in: Expert Syst. Appl. (2020)
Keyphrases
- question answering
- question classification
- graph patterns
- qa clef
- graph model
- question answering systems
- sparql queries
- natural language questions
- answer extraction
- candidate answers
- qa systems
- answering questions
- natural language processing
- graph structure
- weighted graph
- information extraction
- graph mining
- graph databases
- cross language
- information retrieval
- directed graph
- natural language
- pattern mining
- knowledge representation
- bipartite graph
- graph data
- expert systems
- knowledge base
- question answer pairs
- rdf data
- data mining techniques
- query language
- artificial intelligence
- data mining