Feature-Rich Named Entity Recognition for Bulgarian Using Conditional Random Fields.
Georgi GeorgievPreslav NakovKuzman GanchevPetya OsenovaKiril Ivanov SimovPublished in: RANLP (2009)
Keyphrases
- named entity recognition
- information extraction
- named entities
- natural language processing
- maximum entropy
- conditional random fields
- semi supervised
- sequence labeling
- text summarization
- annotated corpus
- relation extraction
- classifier ensemble
- language independent
- feature set
- proper names
- maximum entropy classifier
- real world
- generative model
- markov random field
- co occurrence
- hidden markov models
- feature space
- training data