Period

Author: Denitsa Nenova, George Bruseker

Version: 1.0

The Period model is intended to enable the documentation and correct referencing of historical periods for use in datation. Typical instances of Period include period divisions of major epochs including well-known historical periods. Period is used primarily as a reference model.

Name URI
Root Ontology Node E4 Period https://cidoc-crm.org/Entity/E4-Period/version-7.1.1
Type Differentiator N/A N/A
Information Category Information Collections Description
Names and Classifications Names/Alternative Names/Identifiers/Type The researcher can document various names and classification regarding the Period.
Existence Existence The researcher can document various free text descriptions of the Period.

Period Names and Classifications

The attribution of names and types to a historical period.

Filed ID Name Description Data Type CRM Path
fie_1 Period Identifier This field is used to record an identifier attributed to the documented Period. String --> P1 --> E42[1_1] --> P190 --> rdfs:Literal
fie_2 Period Identifier Type This field is used to record the type of the identifier attributed to the documented Period. Concept --> P1 --> E42[1_1] --> P2 --> E55[2_1]
fie_3 Period Identifier Provider This field is used to record the institution, group or individual responsible for providing the documented Period's identifier. Reference Model [Person/Group] --> P1 --> E42[1_1] --> P37i --> E15[3_1] --> P14 --> E39[3_2]
fie_5 Period Name This field is used to record the main name attributed to the documented Period. String --> P1 --> E33_E41[5_1] --> P190 --> rdfs:Literal

--> P1 --> E33_E41[5_1] --> P2 --> E55[5_2]{'preferred terms'}
fie_10 Period Alias This field is used to record an alternative name under which the documented Period is known. String --> P1 --> E33_E41[10_1] --> P190 --> rdfs:Literal
fie_11 Period Alias Type This field is used to record the type of the alternative name that has been attributed to the documented Period. Concept --> P1 --> E33_E41[10_1] --> P2 --> E55[11_1]
fie_17 Period Type This field is used to record the formal type of the documented Period. Concept --> P2 --> E55[17_1]

- Period Names and Classifications Ontology Graph

Screenshot

- Period Names and Classifications RDF

@prefix crm: <http://www.cidoc-crm.org/cidoc-crm/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<https://census.de/example/event/E4> a crm:E4_Period ;
    crm:P1_is_identified_by <https://example.org/name/fie_10_1>,
        <https://example.org/name/fie_1_1>,
        <https://example.org/name/fie_5_1> ;
    crm:P2_has_type <https://example.org/type/fie_17_1> .

<http://vocab.getty.edu/aat/300404670> a crm:E55_Type ;
    rdfs:label "preferred terms" .

<https://example.org/actor/fie_3_2> a crm:E39_Actor .

<https://example.org/event/fie_3_1> a crm:E15_Identifier_Assignment ;
    crm:P14_carried_out_by <https://example.org/actor/fie_3_2> .

<https://example.org/name/fie_10_1> a crm:E33_E41_Linguistic_Appellation ;
    crm:P190_has_symbolic_content "content" ;
    crm:P2_has_type <https://example.org/type/fie_11_1> .

<https://example.org/name/fie_1_1> a crm:E42_Identifier ;
    crm:P190_has_symbolic_content "content" ;
    crm:P2_has_type <https://example.org/type/fie_2_1> ;
    crm:P37i_was_assigned_by <https://example.org/event/fie_3_1> .

<https://example.org/name/fie_5_1> a crm:E33_E41_Linguistic_Appellation ;
    crm:P190_has_symbolic_content "content" ;
    crm:P2_has_type <http://vocab.getty.edu/aat/300404670> .

<https://example.org/type/fie_11_1> a crm:E55_Type .

<https://example.org/type/fie_17_1> a crm:E55_Type .

<https://example.org/type/fie_2_1> a crm:E55_Type .



- Period Names and Classifications JSON-LD

{
  "@context": "https://linked.art/ns/v1/linked-art.json",
  "@graph": [
    {
      "classified_as": [
        "https://example.org/type/fie_17_1"
      ],
      "id": "https://census.de/example/event/E4",
      "identified_by": [
        "https://example.org/name/fie_10_1",
        "https://example.org/name/fie_5_1",
        "https://example.org/name/fie_1_1"
      ],
      "type": "Period"
    },
    {
      "classified_as": [
        "https://example.org/type/fie_2_1"
      ],
      "content": "content",
      "id": "https://example.org/name/fie_1_1",
      "identifier_assigned_by": [
        "https://example.org/event/fie_3_1"
      ],
      "type": "Identifier"
    },
    {
      "id": "https://example.org/type/fie_17_1",
      "type": "Type"
    },
    {
      "classified_as": [
        "http://vocab.getty.edu/aat/300404670"
      ],
      "content": "content",
      "id": "https://example.org/name/fie_5_1",
      "type": "Name"
    },
    {
      "id": "https://example.org/type/fie_2_1",
      "type": "Type"
    },
    {
      "id": "https://example.org/type/fie_11_1",
      "type": "Type"
    },
    {
      "_label": "preferred terms",
      "id": "http://vocab.getty.edu/aat/300404670",
      "type": "Type"
    },
    {
      "classified_as": [
        "https://example.org/type/fie_11_1"
      ],
      "content": "content",
      "id": "https://example.org/name/fie_10_1",
      "type": "Name"
    },
    {
      "id": "https://example.org/actor/fie_3_2",
      "type": "Actor"
    },
    {
      "carried_out_by": [
        "https://example.org/actor/fie_3_2"
      ],
      "id": "https://example.org/event/fie_3_1",
      "type": "IdentifierAssignment"
    }
  ]
}

Period Existence

The assigned timespan of a historical period.

Filed ID Name Description Data Type CRM Path
fie_50 Period Earliest Possible Date This field is used to record the earliest possible end date for the documented Period. Date --> P4 --> E52[48_1] --> P81b --> xsd:dateTime
fie_51 Period Latest Possible Date This field is used to record the latest possible end date for the documented Period. Date --> P4 --> E52[48_1] --> P82b --> xsd:dateTime

- Period Existence Ontology Graph

Screenshot

- Period Existence RDF

@prefix crm: <http://www.cidoc-crm.org/cidoc-crm/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://census.de/example/event/E4> a crm:E4_Period ;
    crm:P4_has_time-span <https://example.org/time_span/fie_48_1> .

<https://example.org/time_span/fie_48_1> a crm:E52_Time-Span ;
    crm:P81b_begin_of_the_end ""^^xsd:dateTime ;
    crm:P82b_end_of_the_end ""^^xsd:dateTime .



- Period Existence JSON-LD

{
  "@context": "https://linked.art/ns/v1/linked-art.json",
  "@graph": [
    {
      "id": "https://census.de/example/event/E4",
      "timespan": "https://example.org/time_span/fie_48_1",
      "type": "Period"
    },
    {
      "begin_of_the_end": "",
      "end_of_the_end": "",
      "id": "https://example.org/time_span/fie_48_1",
      "type": "TimeSpan"
    }
  ]
}