---
title: "3.0. Classes and Properties"
---

# 3. Classes and Properties

Full detail regarding each class and property can be found in the following subsections: [3.1. Archonto](https://hackmd.io/B_EBh18zT2SDnBbC2NaMoQ), [3.2. DataObject](https://hackmd.io/dvPm2e_VTR-WYpXr1xh2zQ), [3.3. N-ary](https://hackmd.io/OwGcDUBMSKmL7fNiwlUjLQ), 3.4. CIDOC-CRM, 3.5. ISAD Ontology and 3.6. Link2DataObject.

### Class hierarchy within ArchOnto’s ontologies

| Ontology | Classes |
| ---------- | ---------------------------- |
| CIDOC-CRM | E35 Title |
| ArchOnto | - ARE2 Formal Title |
| ArchOnto | - ARE2 Supplied Title |
| CIDOC-CRM | E39 Actor |
| ArchOnto | - ARE12 Organization |
| CIDOC-CRM | E54 Dimension |
| ArchOnto | - ARE4 Extension |
| CIDOC-CRM | E55 Type |
| ArchOnto | - ARE1 Level of Description |
| ArchOnto | - ARE5 Identifier Type |
| ArchOnto | - ARE6 Date Type |
| ArchOnto | - ARE7 Name Type |
| ArchOnto | - ARE8 Role Type |
| ArchOnto | - ARE9 Date Certainity |
| ArchOnto | - ARE11 Documentary Typology |
| ArchOnto | - ARE13 Subject Type |
| ArchOnto | - ARE14 Place Type |
| ArchOnto | - ARE15 Acquisition Type |
| ArchOnto | - ARE16 Event Type |
| DataObject | DOE1 DataObject |
| DataObject | - DOE2 AuthorityFile |
| DataObject | - DOE3 Boolean |
| DataObject | - DOE4 Date |
| DataObject | - - DOE9 Approximate |
| DataObject | - - DOE10 Instant |
| DataObject | - - DOE11 Interval |
| DataObject | - DOE5 Decimal |
| DataObject | - DOE6 GeospatialCoordinates |
| DataObject | - - DOE12 Latitude |
| DataObject | - - DOE13 Longitude |
| DataObject | - - DOE14 Polygon |
| DataObject | - DOE7 Integer |
| DataObject | - DOE8 String |
| DataObject | - - DOE15 AuthorityString |
| DataObject | - - - DOE8 PersonName |
| DataObject | - - DOE16 RegexString |
| N-ary | PC0 CRM Property |
| N-ary | - - PC14 Carried Out By |

### Property hierarchy within ArchOnto’s ontologies

| Ontology | Property | Domain | Range |
| ---------- | ------------------------- | ------ | ----- |
| ArchOnto | ARP8 upper level | ARE1 Level of Description | ARE1 Level of Description |
| ArchOnto | ARP9 lower level | ARE1 Level of Description | ARE1 Level of Description |
| Link2DataObject | L2DO hasValue | E1 CRM Property | DOE1 DataObject |
| N-ary | P01 has domain | PC0 CRM Property | E1 CRM Entity |
| N-ary | P01 has range | PC0 CRM Property | E1 CRM Entity |
| DataObject | DOP1 approximateDateValue | DOE9 Approximate | xsd:dateTime |
| DataObject | DOP2 endDateValue | DOE11 Interval | xsd:dateTime |
| DataObject | DOP3 fileLocation | DOE15 AuthorityFile | xsd:string |
| DataObject | DOP4 hasRegex | DOE16 RegexString | xsd:string |
| DataObject | DOP5 name | DOE17 PersonName | xsd:string |
| DataObject | DOP6 startDateValue | DOE11 Interval | xsd:dateTime |
| DataObject | DOP7 stringValue | DOE8 String | xsd:string |
| DataObject | DOP8 timestamp | DOE10 Instant | xsd:dateTime |
| CIDOC-CRM | P2 has type | E1 CRM Entity | E55 Type |
| ArchOnto | - ARP12 has level of description | E31 Document | ARE1 Level of Description |
| CIDOC-CRM | P3 has note | E1 CRM Entity | --- |
| ISAD Ontology | - ISAD1 has title | E31 Document | xsd:string |
| ISAD Ontology | - ISAD2 has level of description | E31 Document | xsd:string |
| ISAD Ontology | - ISAD3 has reference code | E31 Document | xsd:string |
| ISAD Ontology | - ISAD4 has type of title | E31 Document | xsd:string |
| ISAD Ontology | - ISAD5 has date | E31 Document | xsd:string |
| ISAD Ontology | - ISAD6 has dimension and support | E31 Document | xsd:string |
| ISAD Ontology | - ISAD7 has administrative history | E31 Document | xsd:string |
| ISAD Ontology | - ISAD8 has archival history | E31 Document | xsd:string |
| ISAD Ontology | - ISAD9 has scope | E31 Document | xsd:string |
| ISAD Ontology | - ISAD10 has access condition | E31 Document | xsd:string |
| ISAD Ontology | - ISAD11 has current quota | E31 Document | xsd:string |
| ISAD Ontology | - ISAD12 has old quota | E31 Document | xsd:string |
| ISAD Ontology | - ISAD13 has original quota | E31 Document | xsd:string |
| ISAD Ontology | - ISAD14 has language | E31 Document | xsd:string |
| ISAD Ontology | - ISAD15 has relatd unit of description | E31 Document | xsd:string |
| ISAD Ontology | - ISAD16 has existence and location of copies | E31 Document | xsd:string |
| ISAD Ontology | - ISAD17 has publication notes | E31 Document | xsd:string |
| ISAD Ontology | - ISAD18 has notes | E31 Document | xsd:string |
| ISAD Ontology | - ISAD19 has system of arrangement | E31 Document | xsd:string |
| ISAD Ontology | - ISAD20 has physical characteristics | E31 Document | xsd:string |
| ISAD Ontology | - ISAD21 has description date | E31 Document | xsd:string |
| ISAD Ontology | - ISAD22 has last modification | E31 Document | xsd:string |
| ISAD Ontology | - ISAD23 has predominant date | E31 Document | xsd:string |