Unsupervised Learning of Dependency Structure for Language Modeling.
Jianfeng GaoHisami SuzukiPublished in: ACL (2003)
Keyphrases
- dependency structure
- language modeling
- language model
- unsupervised learning
- n gram
- anchor text
- retrieval model
- document retrieval
- probabilistic model
- information retrieval
- supervised learning
- test collection
- query expansion
- expectation maximization
- semi supervised
- structure learning
- text classification
- dimensionality reduction
- machine learning
- relevance model
- document representation
- query terms
- semantic roles
- vector space model
- model selection
- reinforcement learning
- bayesian networks
- query processing
- conditional independence
- learning algorithm
- feature extraction