ChemSpot: a hybrid system for chemical named entity recognition.
Tim RocktäschelMichael WeidlichUlf LeserPublished in: Bioinform. (2012)
Keyphrases
- named entity recognition
- information extraction
- named entities
- natural language processing
- maximum entropy
- text summarization
- semi supervised
- conditional random fields
- hand coded
- classifier ensemble
- annotated corpus
- expert systems
- relation extraction
- question answering
- sequence labeling
- proper names
- databases
- information retrieval
- chinese named entity recognition
- reference resolution
- image processing
- machine learning
- real world