Language Modeling Approach for Retrieving Passages in Lecture Audio Data.
Koichiro HondaTomoyosi AkibaPublished in: LREC (2010)
Keyphrases
- language modeling
- information retrieval
- language model
- passage retrieval
- retrieval model
- document retrieval
- question answering
- query expansion
- cross lingual
- n gram
- relevance model
- probabilistic model
- information retrieval systems
- sentence retrieval
- trec collections
- statistical language models
- multimedia
- pseudo relevance feedback
- ranked list
- relevant documents
- mixture model
- smoothing methods
- active learning
- query processing
- improvements in retrieval effectiveness
- language modeling approaches