Quantities, Units, Dimensions, and Types Ontology

Metrics

Number of classes:	205
Number of individuals:	71
Number of properties:	109
Maximum depth:	6
Maximum number of children:	24
Average number of children:	4
Classes with a single child:	10
Classes with more than 25 children:	0
Classes with no definition:	191

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Details

Acronym	QUDT
Visibility	Public
BioPortal PURL	http://purl.bioontology.org/ontology/QUDT
Description	The QUDT, or 'Quantity, Unit, Dimension and Type' collection of ontologies define the base classes properties, and restrictions used for modeling physical quantities, units of measure, and their dimensions in various measurement systems. The goal of the QUDT ontology is to provide a unified model of, measurable quantities, units for measuring different kinds of quantities, the numerical values of quantities in different units of measure and the data structures and data types used to store and manipulate these objects in software. This OWL schema is a foundation for a basic treatment of units.
Status
Format	OWL
Contact	Ralph Hodgson, Ralph.Hodgson@nasa.gov
Home Page	http://qudt.org/
Publications Page
Documentation Page
Categories	Other
Groups

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Submissions

Submission	Release Date	Upload Date	Downloads
$Id: OSG_qudt-(v1.1).ttl 4989 2011-06-01 21:56:40Z RalphHodgson $ (Parsed, Indexed, Metrics, Annotator)	08/11/2013	08/11/2013	OWL \| CSV \| RDF/XML
unknown (Archived)	08/10/2013	08/10/2013	OWL
$Id: OSG_qudt-(v1.1).ttl 4989 2011-06-01 21:56:40Z RalphHodgson $ (Archived)	02/11/2013	02/11/2013	OWL
1.1 (Archived)	01/06/2011	04/05/2012	OWL

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Projects Using This Ontology Create new project

Project	Description	People	Institution
Open PHACTS	Open PHACTS (Open Pharmacological Concepts Triple Store) is a... Open PHACTS (Open Pharmacological Concepts Triple Store) is a knowledge management project of the Innovative Medicines Initiative (IMI), a unique partnership between the European Community and the European Federation of Pharmaceutical Industries and Associations (EFPIA).