Unsupervised language model adaptation via topic modeling based on named entity hypotheses.
Yang LiuFeifan LiuPublished in: ICASSP (2008)
Keyphrases
- topic modeling
- language model
- named entities
- text mining
- text documents
- topic models
- information retrieval
- language modeling
- co occurrence
- named entity recognition
- information extraction
- probabilistic model
- document retrieval
- natural language processing
- text classification
- language modeling framework
- n gram
- query expansion
- retrieval model
- unsupervised learning
- latent dirichlet allocation
- question answering
- query terms
- test collection
- collaborative filtering
- machine learning
- data mining
- knowledge discovery
- smoothing methods
- information retrieval systems
- supervised learning
- databases
- generative model
- recommender systems
- tf idf
- multiword