Automatic construction of complex features in Conditional Random Fields for Named Entities Recognition.
Michal MarcinczukPublished in: RANLP (2015)
Keyphrases
- conditional random fields
- contextual features
- automatic construction
- named entity recognition
- named entities
- sequence labeling
- information extraction
- chinese named entity recognition
- crf model
- co occurrence
- maximum entropy
- graphical models
- hidden markov models
- text mining
- markov random field
- generative model
- higher order
- probabilistic model
- natural language processing
- contextual information
- feature set
- feature extraction
- pairwise
- object recognition
- prior knowledge
- question answering
- relation extraction
- feature space
- semi supervised
- real world
- named entity extraction
- feature vectors
- structured prediction
- data analysis
- annotated corpus
- image segmentation