1. What makes a gene name? Named entity recognition in the biomedical literature.[J];Ulf;Briefings in bioinformatics,2005
2. Recognition of chemical entities: combining dictionary-based and grammar-based approaches.[J];A S A;Journal of cheminformatics,2015
3. Named entity recognition and classification using context Hidden Markov Model
4. 1996. A maximum entropy approach to natural language processing. Comput. Linguist;Berger,1996
5. Conditional Random Fields: Probabilistic Models for Segmenting and Labeling Sequence Data;Lafferty,2001