Cluster-based language model for spoken document retrieval using NMF-based document clustering.
Xinhui HuRyosuke IsotaniHisashi KawaiSatoshi NakamuraPublished in: INTERSPEECH (2010)
Keyphrases
- document clustering
- language model
- spoken document retrieval
- test collection
- out of vocabulary
- information retrieval
- document collections
- language modeling
- cross language
- document retrieval
- n gram
- text mining
- cross lingual
- retrieval model
- speech recognition
- clustering algorithm
- translation model
- clustering method
- vector space model
- text documents
- document representation
- probabilistic model
- query expansion
- query terms
- retrieval effectiveness
- document similarity
- tf idf
- information extraction
- average precision
- data mining
- relevant documents
- retrieval systems
- broadcast news
- similar documents
- information retrieval systems
- relevance model
- cluster analysis
- question answering
- natural language processing