Time Event Extraction to Boost an Information Retrieval System.
Pierpaolo BasileAnnalina CaputoGiovanni SemeraroLucia SicilianiPublished in: DART@AI*IA (Revised and Invited Papers) (2014)
Keyphrases
- information retrieval systems
- event extraction
- information access
- open domain
- online news
- information retrieval
- information extraction
- cross lingual
- document collections
- news articles
- retrieval systems
- information fusion
- inverted file
- document indexing
- user queries
- query expansion
- retrieval model
- relevance feedback
- retrieval effectiveness
- relevant documents
- question answering systems
- xml retrieval
- pseudo relevance feedback
- text documents
- cross language
- retrieved documents
- question answering
- search engine
- learning algorithm