Dynamic Adaptation of Language Models in Speech Driven Information Retrieval.
César González FerrerasValentín Cardeñoso-PayoPublished in: TSD (2007)
Keyphrases
- language model
- dynamic adaptation
- information retrieval
- speech recognition
- language modeling
- word error rate
- document retrieval
- retrieval model
- query expansion
- n gram
- vector space model
- test collection
- speech signal
- document length
- probabilistic model
- language modelling
- spoken term detection
- query terms
- automatic speech recognition
- quality of service
- context sensitive
- out of vocabulary
- statistical language models
- smoothing methods
- retrieval effectiveness
- document ranking
- language modeling approaches
- passage retrieval
- cross lingual
- information retrieval systems
- language models for information retrieval
- pseudo relevance feedback
- okapi bm
- text retrieval
- text mining
- relevance feedback
- document collections
- question answering
- query specific
- relevance model
- term weighting