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J Biomed Inform. 2017 Jul;71:165-177. doi: 10.1016/j.jbi.2017.05.021. Epub 2017 Jun 2.

An empirical analysis of ontology reuse in BioPortal.

Author information

1
Computer Science Department, New Jersey Institute of Technology, Newark, NJ 07102, USA. Electronic address: cro3@njit.edu.
2
Computer Science Department, New Jersey Institute of Technology, Newark, NJ 07102, USA.
3
ONTOPRO, Houston, TX, USA.
4
Stanford Center for Biomedical Informatics Research, Stanford University, Stanford, CA 94305, USA.

Abstract

Biomedical ontologies often reuse content (i.e., classes and properties) from other ontologies. Content reuse enables a consistent representation of a domain and reusing content can save an ontology author significant time and effort. Prior studies have investigated the existence of reused terms among the ontologies in the NCBO BioPortal, but as of yet there has not been a study investigating how the ontologies in BioPortal utilize reused content in the modeling of their own content. In this study we investigate how 355 ontologies hosted in the NCBO BioPortal reuse content from other ontologies for the purposes of creating new ontology content. We identified 197 ontologies that reuse content. Among these ontologies, 108 utilize reused classes in the modeling of their own classes and 116 utilize reused properties in class restrictions. Current utilization of reuse and quality issues related to reuse are discussed.

KEYWORDS:

BioPortal; Content reuse; Ontology modeling; Ontology reuse; Ontology structural analysis

PMID:
28583809
PMCID:
PMC5557647
DOI:
10.1016/j.jbi.2017.05.021
[Indexed for MEDLINE]
Free PMC Article

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