Sparse hidden-dynamics conditional random fields for user intent understanding.
Yelong ShenJun YanShuicheng YanLei JiNing LiuZheng ChenPublished in: WWW (2011)
Keyphrases
- conditional random fields
- user intent
- graphical models
- probabilistic model
- sequence labeling
- random fields
- higher order
- fine grained
- web search
- markov random field
- hidden markov models
- generative model
- user behavior
- pairwise
- crf model
- search experience
- query logs
- named entity recognition
- information extraction
- structured prediction
- web page prediction
- high dimensional
- information retrieval
- user interests
- active learning
- bayesian networks
- machine learning