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Corpus annotation for mining biomedical events from literature

Open access
Kim, Jin-Dong, Ohta, Tomoko, Tsujii, Jun'ichi·2008·BMC Bioinformatics

Abstract

BACKGROUND: Advanced Text Mining (TM) such as semantic enrichment of papers, event or relation extraction, and intelligent Question Answering have increasingly attracted attention in the bio-medical domain. For such attempts to succeed, text annotation from the biological point of view is indispensable. However, due to the complexity of the task, semantic annotation has never been tried on a large scale, apart from relatively simple term annotation. RESULTS: We have completed a new type of semantic annotation, event annotation, which is an addition to the existing annotations in the GENIA corpus. The corpus has already been annotated with POS (Parts of Speech), syntactic trees, terms, etc. The new annotation was made on half of the GENIA corpus, consisting of 1,000 Medline abstracts. It contains 9,372 sentences in which 36,114 events are identified. The major challenges during event annotation were (1) to design a scheme of annotation which meets specific requirements of text annotation, (2) to achieve biology-oriented annotation which reflect biologists' interpretation of text, and (3) to ensure the homogeneity of annotation quality across annotators. To meet these challenges, we introduced new concepts such as Single-facet Annotation and Semantic Typing, which have collectively contributed to successful completion of a large scale annotation. CONCLUSION: The resulting event-annotated corpus is the largest and one of the best in quality among similar annotation efforts. We expect it to become a valuable resource for NLP (Natural Language Processing)-based TM in the bio-medical domain.

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Metadata

Authors
Kim, J.-D., Ohta, T., & Tsujii, J.
Venue
BMC Bioinformatics
Published
2008-01-08
Volume
9
Issue
1
Pages
10-10
ISSN
1471-2105 (ISSN-L)
OpenAlex
W2149803936
Cited by
395
References
59
FWCI
18.12
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Corpus annotation for mining biomedical events from literature. https://app.cochat.ai/papers/10.1186/1471-2105-9-10
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Kim, J.-D., Ohta, T., & Tsujii, J. (2008). Corpus annotation for mining biomedical events from literature. BMC Bioinformatics. https://doi.org/10.1186/1471-2105-9-10

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