Digital Object

The digital object reference data model provides a list of standard fields that are typically present in the general description of a digital object in a cultural heritage data system. A digital object is meant in the sense of a digitally encoded information object represented as bit sequences that have been encoded with a particular format and can be digitally decoded and represented to an end user of a digital information system. Digital objects are often stored as reference or documentation objects relative to cultural heritage items such as textual descriptions stored as PDFs, documentary images, 3D representations and so on. Digital Objects can also form cultural heritage objects in their own right, though this model does not aim to represent this potential aspect of the digital object. Because of the choice to model, the digital object in its role as a secondary documentary resource, the reference data model has been kept as light as possible. This reference model intends to remain at a general level description, providing a consolidated, high-level reference data model of most commonly reused descriptors for a digital object and to provide for these, in turn, a set of standard semantic mappings to the CIDOC CRM. Moreover, each field is marked with regards to its potential functionality with regards to instance matching between overlapping datasets.

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Samples

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Fields

[CAT.1] Names and Identifiers 4

Field Collection Identifier Name Description Ontology Path Expected Value Type Set Value Expected Collection Expected Model
Name LAF.6 Name This field is used to record the string value of the name attributed to the documented digital object. ->crm:P1_is_identified_by->crm:E33_E41_Linguistic_Appellation[4_1]->crm:P190_has_symbolic_content->rdf:literal String
Name LAF.5 Name Type This field is used to record the type of the name attributed to the documented digital object. ->crm:P1_is_identified_by->crm:E33_E41_Linguistic_Appellation[4_1]->crm:P2_has_type->crm:E55_Type[5_1] Concept https://vocab.getty.edu/aat/300404670
Identifier LAF.10 Identifier This field is used to record an identifier attributed to the documented digital object. ->crm:P1_is_identified_by->crm:E42_Identifier[8_1]->crm:P190_has_symbolic_content->rdf:literal String
Identifier LAF.9 Identifier Type This field is used to record the type of the identifier attributed to the documented digital object. ->crm:P1_is_identified_by->crm:E42_Identifier[8_1]->crm:P2_has_type->crm:E55_Type[9_1] Concept http://vocab.getty.edu/page/aat/300404012

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[CAT.16] Classification 2

Field Collection Identifier Name Description Ontology Path Expected Value Type Set Value Expected Collection Expected Model
Type LAF.11 Type This field is used to record the formal type of the documented digital object. ->crm:P2_has_type->crm:E55_Type[11_1] Concept
Type LAF.12 Metatype This field is used to record the metatype attributed to a formal classification. The function of a metatype is to enable the programmatic distinction between different kinds of type applied to the same documented entity. ->crm:P2_has_type->crm:E55_Type[11_1]->crm:P2_has_type->crm:E55_Type[12_1] Concept

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[CAT.3] Substance 2

Field Collection Identifier Name Description Ontology Path Expected Value Type Set Value Expected Collection Expected Model
Dimension SRDF.344 Dimension This field is used to link the documented digital object to its dimensions. ->crm:P43_has_dimension->crm:E54_Dimension[SRDF.344_1] Collection Dimension
LAF.393 Digital Object Content This field is used to link the documented digital object to the actual string content of that digital object. ->crm:P190_has_symbolic_content->rdf:literal String

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[CAT.5] Events 5

Field Collection Identifier Name Description Ontology Path Expected Value Type Set Value Expected Collection Expected Model
SRDF.809 Digital Object Event Actor This field is used to record the actor that carried out the digital object event performed on the documented digital object. ->crmdig:L11i_was_output_of->crmdig:D7_Digital_Machine_Event[SRDF.349_1]->crm:P01i_is_domain_of->crm:PC14_carried_out_by[SRDF.809_1]->crm:P02_has_range->crm:E39_Actor[SRDF.809_2] Reference Model Person
SRDF.810 Digital Object Event Actor Role This field is used to record the role played by the actors involved in the documented digital machine event. ->crmdig:L11i_was_output_of->crmdig:D7_Digital_Machine_Event[SRDF.349_1]->crm:P01i_is_domain_of->crm:PC14_carried_out_by[SRDF.809_1]->crm:P14.1_in_the_role_of->crm:E55_Type[SRDF.810_1] Concept
Digital Object Event SRDF.349 Digital Object Event Type This field is used to indicate the type of documented digital object event. ->crmdig:L11i_was_output_of->crmdig:D7_Digital_Machine_Event[SRDF.349_1]->crm:P2_has_type->crm:E55_Type[SRDF.349_2] Concept Creation / Modification
Digital Object Event SRDF.350 Digital Object Event Timespan This field is used to link the documented digital object event activity to an instance of time-span recording the temporal extent of the activity. ->crmdig:L11i_was_output_of->crmdig:D7_Digital_Machine_Event[SRDF.349_1]->crm:P4_has_time-span->crm:E52_Time-span[SRDF.350_1] Collection Timespan
SRDF.95 Conforms to This field is used to record a formal standard which was used in the creation of the digital object to which it should in principle conform. ->crmdig:L11i_was_output_of->crmdig:D7_Digital_Machine_Event[SRDF.349_1]->crm:P33_used_specific_technique->crm:E29_Design_or_Procedure/crmdig:D1_Digital_Object[SRDF.95_1] Reference Model Digital Object

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[CAT.9] Parthood 1

Field Collection Identifier Name Description Ontology Path Expected Value Type Set Value Expected Collection Expected Model
SRDF.30 Digital Part of This field is used to record a digital object of which the documented digital object is a part. ->crm:P106i_forms_part_of->crmdig:D1_Digital_Object[SRDF.30_1] Reference Model Digital Object

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[CAT.12] Aboutness 1

Field Collection Identifier Name Description Ontology Path Expected Value Type Set Value Expected Collection Expected Model
LAF.392 Subject Reference This field is used to link the documented digital object to the subject it is about. ->crm:P129_is_about->crm:E55_Type[392_1] Concept

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[CAT.13] Description 1

Field Collection Identifier Name Description Ontology Path Expected Value Type Set Value Expected Collection Expected Model
Statement LAF.613 Description This field is used to link to a statement which describes the the documented digital object. ->crm:P67i_is_referred_to_by->crm:E33_Linguistic_Object[13_1] Collection Statement

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[CAT.17] Rights 3

Field Collection Identifier Name Description Ontology Path Expected Value Type Set Value Expected Collection Expected Model
Right SRDF.172 Right Type This field is used to record the type of right which the right holder holds over the documented digital object. ->crm:P104_is_subject_to->crm:E30_Right[SRDF.171_1]->crm:P2_has_type->crm:E55_Type[SRDF.172_1] Concept
Right SRDF.171 Right Holder This field is used to record the right holder for the documented digital object. ->crm:P104_is_subject_to->crm:E30_Right[SRDF.171_1]->crm:P75i_is_possessed_by->crm:E39_Actor[SRDF.171_2] Reference Model Person , Group
Right SRDF.173 Right Description This field is used to link the documented digital object to a description which describes the right one holds over it. ->crm:P104_is_subject_to->crm:E30_Right[SRDF.171_1]->crm:P67i_is_referred_to_by->crm:E33_Linguistic_Object[SRDF.173_1] Collection Statement

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[CAT.14] Documentation 3

Field Collection Identifier Name Description Ontology Path Expected Value Type Set Value Expected Collection Expected Model
Specific Citation SRDF.366 Specific Citation This field is used to record specific details about a citation for the documented digital object, independently of its overall bibliographic source. ->crm:P67i_is_referred_to_by->crm:E33_Linguistic_Object[SRDF.366_1] Collection Specific Citation
LAF.173 Source Reference This field is used to link the documented digital object to an instance of bibliographic item in which it is documented or mentioned. ->crm:P67i_is_referred_to_by->crm:E33_Linguistic_Object[173_1] Reference Model Bibliographic Item
SRDF.204 URI This field is used to document a URI which is meant to indicate an equivalence between the documented digital object and a resolvable, structured reference resource that stands as a document for this self same entity. ->crmdig:L54_is_same-as->crm:E1_CRM_Entity[SRDF.204_1] uri

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Metadata

Attribute Value
ID SRDM.6_Digital_Object
KeyField SRDM.6_Digital_Object
Identifier SRDM.6
Name Digital Object
System Name Digital_Object
Description
The digital object reference data model provides a list of standard fields that are typically present in the general description of a digital object in a cultural heritage data system. A digital object is meant in the sense of a digitally encoded information object represented as bit sequences that have been encoded with a particular format and can be digitally decoded and represented to an end user of a digital information system. Digital objects are often stored as reference or documentation objects relative to cultural heritage items such as textual descriptions stored as PDFs, documentary images, 3D representations and so on. Digital Objects can also form cultural heritage objects in their own right, though this model does not aim to represent this potential aspect of the digital object. Because of the choice to model, the digital object in its role as a secondary documentary resource, the reference data model has been kept as light as possible. This reference model intends to remain at a general level description, providing a consolidated, high-level reference data model of most commonly reused descriptors for a digital object and to provide for these, in turn, a set of standard semantic mappings to the CIDOC CRM. Moreover, each field is marked with regards to its potential functionality with regards to instance matching between overlapping datasets.
The digital object reference data model provides a list of standard fields that are typically present in the general description of a digital object in a cultural heritage data system. A digital object is meant in the sense of a digitally encoded information object represented as bit sequences that have been encoded with a particular format and can be digitally decoded and represented to an end user of a digital information system. Digital objects are often stored as reference or documentation objects relative to cultural heritage items such as textual descriptions stored as PDFs, documentary images, 3D representations and so on. Digital Objects can also form cultural heritage objects in their own right, though this model does not aim to represent this potential aspect of the digital object. Because of the choice to model, the digital object in its role as a secondary documentary resource, the reference data model has been kept as light as possible. This reference model intends to remain at a general level description, providing a consolidated, high-level reference data model of most commonly reused descriptors for a digital object and to provide for these, in turn, a set of standard semantic mappings to the CIDOC CRM. Moreover, each field is marked with regards to its potential functionality with regards to instance matching between overlapping datasets.
Ontology Scope
Version 2.0
Version Date 2024-12-31
Last Modified 2025-06-24
Author
Funder
Funding Project
Ontology
Project
URI http://takin.solutions/space/srdm_2.0/composite/SRDM.6
File
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Image
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Count
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