Language Model Expansion Using Webdata for Spoken Document Retrieval.
Ryo MasumuraSeongjun HahmAkinori ItoPublished in: INTERSPEECH (2011)
Keyphrases
- language model
- spoken document retrieval
- out of vocabulary
- test collection
- information retrieval
- language modeling
- n gram
- document retrieval
- probabilistic model
- retrieval model
- query expansion
- speech recognition
- cross language
- relevant documents
- context sensitive
- retrieval effectiveness
- query terms
- vector space model
- retrieval systems
- document representation
- average precision
- broadcast news
- generative model
- text retrieval
- bag of words
- relevance model
- translation model
- multimedia