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ChemTok: A New Rule Based Tokenizer for Chemical Named Entity Recognition
Named Entity Recognition (NER) from text constitutes the first step in many text mining applications. The most important preliminary step for NER systems using machine learning approaches is tokenization where raw text is segmented into tokens. This study proposes an enhanced rule based tokenizer, C...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Hindawi Publishing Corporation
2016
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4749772/ https://www.ncbi.nlm.nih.gov/pubmed/26942193 http://dx.doi.org/10.1155/2016/4248026 |