Experiments with N-Gram Prefixes on a Multinomial Language Model versus Lucene's Off-the-shelf Ranking Scheme and Rocchio Query Expansion (TEL@CLEF Monolingual Task).
Jorge MachadoBruno MartinsJosé BorbinhaPublished in: CLEF (Working Notes) (2009)
Keyphrases
- query expansion
- ranking scheme
- language model
- n gram
- probabilistic model
- language modeling
- ad hoc retrieval
- document retrieval
- text classification
- language independent
- retrieval effectiveness
- pseudo relevance feedback
- language modelling
- query translation
- text retrieval
- bag of words
- relevant documents
- query terms
- passage retrieval
- retrieval model
- cross lingual
- information retrieval
- document ranking
- text categorization
- test collection
- translation model
- question answering
- bayesian networks
- vector space model
- query specific
- naive bayes
- retrieved documents
- word segmentation
- text documents
- pseudo feedback
- query expansion methods
- multiword
- tf idf
- cross language
- text mining
- relevance feedback
- training data
- search engine