Extending an Information Retrieval System through Time Event Extraction.
Pierpaolo BasileAnnalina CaputoGiovanni SemeraroLucia SicilianiPublished in: DART@AI*IA (2014)
Keyphrases
- text documents
- information retrieval systems
- event extraction
- news articles
- information extraction
- online news
- information retrieval
- text mining
- information access
- open domain
- cross lingual
- inverted file
- document collections
- query expansion
- retrieval systems
- retrieval model
- machine learning
- user queries
- retrieval effectiveness
- relevant documents
- relevance feedback
- document indexing
- retrieved documents
- interactive information retrieval
- query terms
- document retrieval
- language modeling
- cross language
- question answering
- knowledge discovery
- natural language
- interactive information retrieval systems