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Updated with new release Version IRI

Overview

The IRI structure of the IOF references the OWL documents providing a versioned and not-versioned form. The latter form will always refer to the latest released version of the documents. For the IRI syntax, please refer to RFC 3987 from The Internet Engineering Task Force (IETF).

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IOF ontologies MUST provide a non-version IRI (referred to as the IRI) and version IRI in the OWL XML file.

Development and release version IRIs differ where development ontologies are stamped using a year, month, and day (date version) as opposed to the release version IRIs composed of a year and a increasing number (numeric version). All ontologies released together MUST have the same year and number.

Development IRI

The development version IRI MUST use the release date of the version in YYYYMMDD form, such as 20210601 for June 1, 2021. When a versioned IRI is formed, the date MUST appear after the topic. In the following examples, the sub-topic area is given to illustrate the placement of the version (see next section: Sub-Topic). All sub-topics and modules within a topic MUST share a common version date and be released together. Development ontologies are versioned based on dates.

The non-versioned IRI MUST always reference the latest released version of the ontology.

  • Versioned IRI: https://purl.industrialontologies.org/ontology/supplychain/20210621/meta

  • Non-Versioned IRI: https://purl.industrialontologies.org/ontology/supplychain/meta

Public Release IRI

The development version IRI MUST use a numeric version formed with the release year and a monotonically increasing number NN in YYYYNN form, such as 202202 for the second release in 2022. If the IOF releases every quarter, NN represents the quarter when the ontology was released. When a versioned IRI is formed, the version MUST appear after the topic. In the following examples, the sub-topic area is given to illustrate the placement of the version (see next section: Sub-Topic). All IOF ontologies that are part of a release MUST share a common numeric version.

The non-versioned IRI MUST always reference the latest released version of the ontology.

  • Versioned IRI: https://purl.industrialontologies.org/ontology/supplychain/202202/meta

  • Non-Versioned IRI: https://purl.industrialontologies.org/ontology/supplychain/meta

OWL IRI Specification

The IRI specification is given in OWL 2 Web Ontology Language, Section 3.1 standard as follows:

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