CheNER: Chemical Named Entity Recognizer
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Motivation: Chemical named entity recognition is used to automatically identify mentions to chemical compounds in text, and is the basis for more elaborate information extraction. However, only a small number of applications are freely available to identify such mentions. Particularly challenging and useful is the identification of IUPAC chemical compounds, which due to the complex morphology of IUPAC names requires more advanced techniques than that of brand names. Results: We present CheNER, a tool for automated identification of systematic IUPAC chemical mentions. We evaluated different systems using an established literature corpus to show that CheNER has a superior performance in identifying IUPAC names specifically, and that it makes better use of computational resources. Availability: http://metres.udl.cat/index.php/9-download/4-chener, http://ubio.bioinfo.cnio.es/biotools/CheNER/ Supplementary information: Both web sites above include the user manual for the software. Supplementary materials accompany this publication.
Is part ofBioinformatics Advance Access, 2013, vol. 30, núm. 7, p. 1039-1040
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