Back-off smoothing evaluation over syntactic language models.
Amparo VaronaInés TorresPublished in: INTERSPEECH (2001)
Keyphrases
- language model
- smoothing methods
- language models for information retrieval
- language modeling
- probabilistic model
- n gram
- speech recognition
- document retrieval
- information retrieval
- language modeling approaches
- query expansion
- statistical language modeling
- dependency structure
- language modelling
- document ranking
- document length
- retrieval model
- pseudo relevance feedback
- test collection
- relevance model
- context sensitive
- word error rate
- statistical language models
- ad hoc information retrieval
- language model for information retrieval
- query terms
- sentence retrieval
- query specific
- language modeling framework
- information retrieval systems
- hidden markov models
- natural language
- feature selection