N-ary

Working Draft, January 2023

This version: https://purl.org/episa/archonto/n_ary

Latest version: https://purl.org/episa/archonto/n_ary

Previous version: https://purl.org/episa/archonto/n_ary/0.0.3


Abstract

This specification describes the N-ary, an ontology that pretends to represent non-binary associations, i.e., those that connect more than two individuals. Here the classes and properties that make up this ontology are presented.

Status of this document

This document is in progress. This may undergo changes considering that the present ontology is in constant development.

Table of Contents

N-ary

N-ary provides a systematic way to represent non-binary associations, i.e., those that connect more than two individuals. Representing a person’s role in a given event is an example of this kind of association because it involves relating an event, a person, and a role.

Classes

PC0 CRM Property
This class comprises all things in the universe of discourse of the N-ary relationships.
URI: https://purl.org/episa/archonto/n_ary/PC0
Superclass: -
Subclasses:
- PC14 Carried out by
Related properties:
- P01 has domain
- P02 has range
- P14.1 in the role of.
Example values: -


PC14 Carried out by
This class allows to link the three necessary classes for the formation of the n-ary relationship, which informs the role of a person in an event.
- Original Affirmation (ternary) – The creation activity of the Apocalypse of Lorvão has Egeas as the material author.
- Transformed into binary assertions using a class and two conventional properties – PCxx (in this case PC14 Carried Out By), P01 has domain and P02 has range.
- In the example Egeas as material author.
- Class PC14 individual carried out by
- Linked to the creation of the Apocalypse of Lorvão (subject of original statement) by P01 has domain
- Linked to Egeas (object of original statement) by P02 has range
- Linked to Material Author (role played in the activity) by P14.1 in the role of
URI: https://purl.org/episa/archonto/n_ary/PC14
Superclass:
- PC0 CRM Property
Subclasses: -
Related properties: P01 has domain; P02 has range, P14.1 in the role of.
Example values:
- A atividade criação do Apocalipse do Lorvão tem Egeas como autor material.

Properties

P01 has domain
This property is used to indicate the subject of the original statement.
URI: https://purl.org/episa/archonto/n_ary/P01
Domain: PC0 CRM Property
Range: E1 CRM Entity
Inverse: P01 is domain of


P02 has range
This property is used to indicate the object of the original statement.
URI: https://purl.org/episa/archonto/n_ary/P02
Domain: PC0 CRM Property
Range: E1 CRM Entity
Inverse: P02 is range of


P14.1 in the role of
The P14.1 in the role of property of the property specifies the nature of an Actor’s participation
URI: http://www.cidoc-crm.org/cidoc-crm/P14.1_in_the_role_of
Domain: PC14 Carried Out By
Range: E55 Type