Question Answering and Multi-search Engines in Geo-Temporal Information Retrieval.
Fernando Samuel PeregrinoDavid TomásFernando Llopis PascualPublished in: CICLing (2) (2012)
Keyphrases
- question answering
- information retrieval
- search engine
- question answering systems
- information extraction
- passage retrieval
- question classification
- qa clef
- retrieval systems
- information access
- cross language
- named entities
- information seeking
- text mining
- information retrieval systems
- natural language questions
- retrieval model
- language modeling
- text retrieval
- query expansion
- semantic roles
- open domain question answering
- web pages
- natural language processing
- document collections
- test collection
- web search engines
- document retrieval
- machine learning
- language model
- qa systems
- candidate answers
- query logs
- answer extraction
- learning to rank
- sentence retrieval
- artificial intelligence
- vector space