Information Artifact Ontology (IAO)

The Information Artifact Ontology (IAO) is an ontology of information entities, originally driven by work by the OBI digital entity and realizable information entity branch.

Ontology information

Ontology ID: iao
Version: 2020-12-09
Number of terms: 258
Last loaded: Thu Jun 02 21:56:11 GMT 2022
Creator: Albert Goldfain
Creator: Barry Smith
Creator: Gwen Frishkoff
Creator: James Malone
Creator: Satya Sahoo
Creator: Werner Ceusters
Creator: Darren Natale
Creator: Sivaram Arabandi
Creator: Adam Goldstein
Creator: Pat Hayes
Creator: William Hogan
Creator: Yongqun (Oliver) He
Creator: Melanie Courtot
Creator: Paolo Ciccarese
Creator: James A. Overton
Creator: William Duncan
Creator: Ron Rudnicki
Creator: Carlo Torniai
Creator: Jonathan Rees
Creator: Chris Mungall
Creator: Mathias Brochhausen
Creator: Christian A. Boelling
Creator: David Osumi-Sutherland
Creator: Bjoern Peters
Creator: Philippe Rocca-Serra
Creator: Chris Stoeckert
Creator: Jie Zheng
Creator: Michel Dumontier
Creator: Lawrence Hunter
Creator: Larisa Soldatova
Creator: Alan Ruttenberg
Creator: Holger Stenzhorn
Creator: Randy Dipert
Creator: Matt Brush
Creator: Jennifer Fostel



Albert Goldfain

Barry Smith

Gwen Frishkoff

James Malone

Satya Sahoo

Werner Ceusters

Darren Natale

Sivaram Arabandi

Adam Goldstein

Pat Hayes

William Hogan

Yongqun (Oliver) He

Melanie Courtot

Paolo Ciccarese

James A. Overton

William Duncan

Ron Rudnicki

Carlo Torniai

Jonathan Rees

Chris Mungall

Mathias Brochhausen

Christian A. Boelling

David Osumi-Sutherland

Bjoern Peters

Philippe Rocca-Serra

Chris Stoeckert

Jie Zheng

Michel Dumontier

Lawrence Hunter

Larisa Soldatova

Alan Ruttenberg

Holger Stenzhorn

Randy Dipert

Matt Brush

Jennifer Fostel


IDs allocated to subdomains of IAO. pno.owl: IAO_0020000-IAO_0020999, d-acts.owl: IAO_0021000-IAO_0021999

An information artifact is, loosely, a dependent continuant or its bearer that is created as the result of one or more intentional processes. Examples: uniprot, the english language, the contents of this document or a printout of it, the temperature measurements from a weather balloon. For more information, see the project home page at

IDs allocated to related efforts: PNO: IAO_0020000-IAO_0020999, D_ACTS: IAO_0021000-IAO_0021999