Nov 13, 2014

ENVIRONMENTS and EOL: identification of Environment Ontology terms in text and the annotation of the Encyclopedia of Life

BioRxiv : the Preprint Server for Biology
Evangelos PafilisLars Juhl Jensen


Summary The association of organisms to their environments is a key issue in exploring biodiversity patterns. This knowledge has traditionally been scattered, but textual descriptions of taxa and their habitats are now being consolidated in centralized resources. However, structured annotations are needed to facilitate large-scale analyses. Therefore, we developed ENVIRONMENTS, a fast dictionary-based tagger capable of identifying Environment Ontology terms in text. We evaluate the accuracy of the tagger on a new manually curated corpus of 600 Encyclopedia Of Life (EOL) species pages. We use the tagger to associate taxa with environments by tagging EOL text content monthly, and integrate the results into the EOL to disseminate them to a broad audience of users. Availability and implementation The software and the corpus are available under the open-source BSD and the CC-BY-NC-SA 3.0 licenses, respectively, at <> Contact pafilis{at}; lars.juhl.jensen{at}

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Mentioned in this Paper

Computer Software
Life Support Procedure
Molecular Probe Techniques
Gene-Environment Interaction
Body of Uterus
Macrobrachium lar

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