Towards improved language model evaluation measures.
Philip ClarksonTony RobinsonPublished in: EUROSPEECH (1999)
Keyphrases
- language model
- evaluation measures
- ir models
- language modeling
- n gram
- document retrieval
- precision and recall
- learning to rank
- probabilistic model
- retrieval systems
- test collection
- retrieval model
- query expansion
- context sensitive
- ad hoc information retrieval
- relevance judgments
- information retrieval
- mixture model
- smoothing methods
- evaluation metrics
- query terms
- benchmark datasets
- retrieval effectiveness
- loss function
- vector space model
- pseudo relevance feedback
- translation model
- trec collections
- information retrieval systems
- support vector
- database systems