Studying the impact of various features on the performance of Conditional Random Field-based Arabic Named Entity Recognition.
Alia MorsiAhmed RafeaPublished in: AICCSA (2013)
Keyphrases
- conditional random fields
- named entity recognition
- sequence labeling
- crf model
- information extraction
- maximum entropy classifier
- contextual features
- maximum entropy
- graphical models
- natural language processing
- markov random field
- random fields
- probabilistic model
- named entities
- hidden markov models
- structured prediction
- higher order
- pairwise
- generative model
- annotated corpus
- feature space
- superpixels
- segmentation method
- semi supervised
- artificial intelligence
- image features
- text summarization
- classifier ensemble
- discriminative models
- feature extraction
- image processing