Hierarchical Conditional Random Fields (HCRF) for Chinese Named Entity Tagging.
Peng LuYiping YangYibo GaoHe RenPublished in: ICNC (5) (2007)
Keyphrases
- conditional random fields
- named entities
- named entity recognition
- information extraction
- contextual features
- maximum entropy
- relation extraction
- sequence labeling
- max margin learning
- graphical models
- probabilistic model
- natural language processing
- named entity extraction
- text mining
- annotated corpus
- crf model
- hidden markov models
- generative model
- unsupervised learning
- question answering
- structured prediction
- web page prediction
- co occurrence
- superpixels
- noun phrases
- information retrieval
- markov random field
- higher order
- machine learning
- semantic role labeling
- active learning
- natural language
- image segmentation
- word sense disambiguation
- pairwise
- clustering algorithm