Open-vocabulary spoken-document retrieval based on query expansion using related web documents.
Makoto TeraoTakafumi KoshinakaShinichi AndoRyosuke IsotaniAkitoshi OkumuraPublished in: INTERSPEECH (2008)
Keyphrases
- web documents
- query expansion
- spoken document retrieval
- query expansion methods
- information retrieval
- language model
- out of vocabulary
- information retrieval systems
- keywords
- retrieval effectiveness
- text retrieval
- information extraction
- pseudo relevance feedback
- n gram
- relevant documents
- relevance feedback
- web pages
- web search engines
- test collection
- language modeling
- cross language
- vector space model
- query translation
- link structure
- speech recognition
- average precision
- visual features
- expansion terms
- retrieval model
- data mining