Experiments with Geo-Temporal Expressions Filtering and Query Expansion at Document and Phrase Context Resolution.
Jorge MachadoJosé BorbinhaBruno MartinsPublished in: NTCIR (2010)
Keyphrases
- query expansion
- information retrieval systems
- relevant documents
- document level
- information retrieval
- trec genomics track
- document ranking
- retrieved documents
- query terms
- retrieval effectiveness
- ad hoc retrieval
- language modeling
- pseudo relevance feedback
- model for information retrieval
- relevance feedback
- passage retrieval
- language model
- relevance model
- pseudo feedback
- initial query
- query specific
- probabilistic retrieval model
- keywords
- retrieval model
- text retrieval
- language modeling framework
- automatic query expansion
- ranking scheme
- document collections
- noun phrases
- document retrieval
- machine learning
- original query
- biomedical information retrieval
- retrieval systems
- query topic
- web documents
- ranked retrieval
- text documents
- vector space model
- context dependent
- term frequency
- probabilistic model
- question answering