Expanding Queries with Maximum Likelihood Estimators and Language Models.
Christos N. KarrasAristeidis KarrasLeonidas TheodorakopoulosIoanna GiannoukouSpyros SioutasPublished in: ICR (2022)
Keyphrases
- language model
- maximum likelihood
- query generation
- query terms
- language modeling
- cross language retrieval
- relevance model
- n gram
- query specific
- query expansion
- probabilistic model
- retrieval model
- information retrieval
- term dependencies
- document retrieval
- speech recognition
- language modelling
- probabilistic retrieval models
- vector space model
- retrieval effectiveness
- test collection
- ad hoc retrieval
- pseudo relevance feedback
- smoothing methods
- query processing
- query logs
- expectation maximization
- original query
- context sensitive
- ad hoc information retrieval
- maximum likelihood estimator
- document length
- language models for information retrieval
- document ranking
- vector space
- retrieval systems
- web search engines
- em algorithm