Towards the definition of requirements for mixed fact and opinion question answering systems.
Alexandra BalahurEster BoldriniAndrés MontoyoPatricio Martínez-BarcoPublished in: TSA@CIKM (2009)
Keyphrases
- question answering systems
- question answering
- question classification
- natural language
- document retrieval
- information retrieval systems
- search engine
- knowledge base
- databases
- sentiment analysis
- answering questions
- passage retrieval
- quantitative evaluation
- multi modal
- co occurrence
- web search
- information extraction
- expert systems