Explicit relevance models in intent-oriented information retrieval diversification.
Saul VargasPablo CastellsDavid ValletPublished in: SIGIR (2012)
Keyphrases
- relevance model
- information retrieval
- language model
- language modeling
- query expansion
- vector space model
- ad hoc retrieval
- document retrieval
- passage retrieval
- document ranking
- topic detection and tracking
- language modeling framework
- relevance feedback
- information retrieval systems
- pseudo relevance feedback
- search engine
- document collections
- retrieval model
- keywords
- probabilistic model
- relevant documents
- question answering
- information extraction
- retrieved documents
- image annotation
- text mining
- n gram
- cross lingual
- semantic similarity
- test collection
- web documents
- tf idf
- query terms
- retrieval systems
- knowledge discovery
- low level
- topic models
- web pages