Leveraging Frequent Query Substructures to Generate Formal Queries for Complex Question Answering.
Jiwei DingWei HuQixin XuYuzhong QuPublished in: CoRR (2019)
Keyphrases
- question answering
- natural language questions
- query processing
- query evaluation
- user queries
- sentence retrieval
- natural language
- query formulation
- database
- information retrieval
- range queries
- retrieval systems
- passage retrieval
- natural language processing
- search queries
- query result
- data sources
- web queries
- data retrieval
- question answering systems
- question classification
- information extraction
- candidate answers
- relevance model
- qa clef
- query suggestion
- search engine
- cross language
- syntactic information
- short queries
- tree patterns
- answering questions
- sql queries
- inverted index
- web databases
- keyword search
- query terms
- query language
- answer extraction
- machine learning
- keyword queries
- data structure
- relevance feedback
- web search engines
- language model
- information retrieval systems
- qa systems
- query expansion
- relational database systems
- database systems
- query interface