Brief Communication: Exploiting the performance of dictionary-based bio-entity name recognition in biomedical literature

Authors:
Zhihao Yang;Hongfei Lin;Yanpeng Li
Affiliations:
Department of Computer Science and Engineering, Dalian University of Technology, 116023 Dalian, China;Department of Computer Science and Engineering, Dalian University of Technology, 116023 Dalian, China;Department of Computer Science and Engineering, Dalian University of Technology, 116023 Dalian, China
Venue:
Computational Biology and Chemistry
Year:
2008

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Abstract

Bio-entity name recognition is the key step for information extraction from biomedical literature. This paper presents a dictionary-based bio-entity name recognition approach. The approach expands the bio-entity name dictionary via the Abbreviation Definitions identifying algorithm, improves the recall rate through the improved edit distance algorithm and adopts some post-processing methods including Pre-keyword and Post-keyword expansion, Part of Speech expansion, merge of adjacent bio-entity names and the exploitation of the contextual cues to further improve the performance. Experiment results show that with this approach even an internal dictionary-based system could achieve a fairly good performance.