Prior Information and the Determination of Event Spaces in Probabilistic Information Retrieval Models.
Corrado BoscarinoArjen P. de VriesPublished in: ICTIR (2009)
Keyphrases
- prior information
- retrieval model
- language model
- information retrieval systems
- language modeling
- test collection
- retrieval effectiveness
- document retrieval
- vector space
- information retrieval
- prior knowledge
- retrieval systems
- query expansion
- statistical language models
- retrieval framework
- vector space model
- bayesian inference
- user queries
- relevance feedback
- tf idf
- retrieval functions
- news articles
- improvements in retrieval effectiveness
- inference network model
- retrieval process
- prior distribution
- cross lingual
- machine learning
- text mining
- web search
- relevant documents