Table of Contents
Introduction
This section accommodates information about activities typically undertaken as part of the care and conservation of objects. In particular, there are condition assessments, conservation activities, and conservation projects which encapsulate the previous two. Condition assessments are when a curator or conservator assesses the state of an object, and the extent to which conservation intervention is needed. Conservation activities are physical modifications of the object to improve its condition.
Other sections of the Linked.Art model also relate to conservation:
- Statements can be about the object's state or conservation related activities
- Sampling as an activity is described under Production by removal.
- Hazardous material can be under Materials by adding a classification to the Material itself.
Condition Assessment
Condition Assessment describes an activity during which an object is examined and its preservation condition or types of damage are identified. The condition type is assigned as classification to the object.
Example:
The Rijksmuseum checked the condition of The Night Watch, at the beginning of the project "Operation Night Watch"
{
"@context": "https://linked.art/ns/v1/linked-art.json",
"id": "https://linked.art/example/object/nightwatch/25",
"type": "HumanMadeObject",
"_label": "The Night Watch",
"classified_as": [
{
"id": "http://vocab.getty.edu/aat/300033618",
"type": "Type",
"_label": "Painting",
"classified_as": [
{
"id": "http://vocab.getty.edu/aat/300435443",
"type": "Type",
"_label": "Type of Work"
}
]
}
],
"attributed_by": [
{
"type": "AttributeAssignment",
"_label": "Condition Assessment of Night Watch",
"identified_by": [
{
"type": "Name",
"content": "Thorough Condition Assessment"
}
],
"referred_to_by": [
{
"type": "LinguisticObject",
"classified_as": [
{
"id": "http://vocab.getty.edu/aat/300435416",
"type": "Type",
"_label": "Description",
"classified_as": [
{
"id": "http://vocab.getty.edu/aat/300418049",
"type": "Type",
"_label": "Brief Text"
}
]
}
],
"content": "Very fine cracks throughout the painted surface"
}
],
"timespan": {
"type": "TimeSpan",
"begin_of_the_begin": "2019-05-01T00:00:00Z",
"end_of_the_end": "2019-09-30T23:59:59Z"
},
"carried_out_by": [
{
"id": "https://linked.art/example/group/rijksmuseum",
"type": "Group",
"_label": "Rijksmuseum"
}
],
"assigned_property": "classified_as",
"assigned": [
{
"id": "http://vocab.getty.edu/aat/300387447",
"type": "Type",
"_label": "Microcracks"
}
],
"part_of": [
{
"id": "https://linked.art/example/event/operation_nightwatch",
"type": "Activity",
"_label": "Operation Night Watch"
}
]
}
]
}
graph TD
classDef object stroke:black,fill:#E1BA9C,rx:20px,ry:20px;
classDef actor stroke:black,fill:#FFBDCA,rx:20px,ry:20px;
classDef type stroke:red,fill:#FAB565,rx:20px,ry:20px;
classDef name stroke:orange,fill:#FEF3BA,rx:20px,ry:20px;
classDef dims stroke:black,fill:#c6c6c6,rx:20px,ry:20px;
classDef infoobj stroke:#907010,fill:#fffa40,rx:20px,ry:20px
classDef timespan stroke:blue,fill:#ddfffe,rx:20px,ry:20px
classDef place stroke:#3a7a3a,fill:#aff090,rx:20px,ry:20px
classDef event stroke:#1010FF,fill:#96e0f6,rx:20px,ry:20px
classDef literal stroke:black,fill:#f0f0e0;
classDef classstyle stroke:black,fill:white;
O1(object/nightwatch/25)
class O1 object;
O1-- type -->O1_0[HumanMadeObject]
class O1_0 classstyle;
O1-- _label -->O1_4("''The Night Watch''")
class O1_4 literal;
O2(aat:300033618)
class O2 type;
O2-- type -->O2_0[Type]
class O2_0 classstyle;
O2-- _label -->O2_3("''Painting''")
class O2_3 literal;
O3(aat:300435443)
class O3 type;
O3-- type -->O3_0[Type]
class O3_0 classstyle;
O3-- _label -->O3_3("''Type of Work''")
class O3_3 literal;
O2-- classified_as -->O3
O1-- classified_as -->O2
O4( _ )
class O4 event;
O4-- type -->O4_0[AttributeAssignment]
class O4_0 classstyle;
O4-- _label -->O4_2("''Condition Assessment of Night Watch''")
class O4_2 literal;
O5( _ )
class O5 name;
O5-- type -->O5_0[Name]
class O5_0 classstyle;
O5-- content -->O5_2("''Thorough Condition Assessment''")
class O5_2 literal;
O4-- identified_by -->O5
O6( _ )
class O6 infoobj;
O6-- type -->O6_0[LinguisticObject]
class O6_0 classstyle;
O7(aat:300435416)
class O7 type;
O7-- type -->O7_0[Type]
class O7_0 classstyle;
O7-- _label -->O7_3("''Description''")
class O7_3 literal;
O8(aat:300418049)
class O8 type;
O8-- type -->O8_0[Type]
class O8_0 classstyle;
O8-- _label -->O8_3("''Brief Text''")
class O8_3 literal;
O7-- classified_as -->O8
O6-- classified_as -->O7
O6-- content -->O6_3("''Very fine cracks throughout the painted surface''")
class O6_3 literal;
O4-- referred_to_by -->O6
O9( _ )
class O9 timespan;
O9-- type -->O9_0[TimeSpan]
class O9_0 classstyle;
O9-- begin_of_the_begin -->O9_2("''2019-05-01T00:00:00Z''")
class O9_2 literal;
O9-- end_of_the_end -->O9_3("''2019-09-30T23:59:59Z''")
class O9_3 literal;
O4-- timespan -->O9
O10(group/rijksmuseum)
class O10 actor;
O10-- type -->O10_0[Group]
class O10_0 classstyle;
O10-- _label -->O10_3("''Rijksmuseum''")
class O10_3 literal;
O4-- carried_out_by -->O10
O11(event/operation_nightwatch)
class O11 event;
O11-- type -->O11_0[Activity]
class O11_0 classstyle;
O11-- _label -->O11_3("''Operation Night Watch''")
class O11_3 literal;
O4-- part_of -->O11
O4-- assigned_property -->O4_8("''classified_as''")
class O4_8 literal;
O12(aat:300387447)
class O12 type;
O12-- type -->O12_0[Type]
class O12_0 classstyle;
O12-- _label -->O12_3("''Microcracks''")
class O12_3 literal;
O4-- assigned -->O12
O1-- attributed_by -->O4
Other Representations: JSON-LD (raw) | JSON-LD (playground) | Turtle (raw) | Turtle (styled)
Conservation Activities
Conservation Activities refers to the activities undertaken on an object before exhibition or with the objective to prevent the object from deteriorating.
Example:
Minor conservation improvements were made to The Night Watch.
{
"@context": "https://linked.art/ns/v1/linked-art.json",
"id": "https://linked.art/example/object/nightwatch/26",
"type": "HumanMadeObject",
"_label": "The Night Watch",
"classified_as": [
{
"id": "http://vocab.getty.edu/aat/300033618",
"type": "Type",
"_label": "Painting",
"classified_as": [
{
"id": "http://vocab.getty.edu/aat/300435443",
"type": "Type",
"_label": "Type of Work"
}
]
}
],
"modified_by": [
{
"type": "Modification",
"_label": "Conservation of Night Watch",
"referred_to_by": [
{
"type": "LinguisticObject",
"classified_as": [
{
"id": "http://vocab.getty.edu/aat/300435416",
"type": "Type",
"_label": "Description",
"classified_as": [
{
"id": "http://vocab.getty.edu/aat/300418049",
"type": "Type",
"_label": "Brief Text"
}
]
}
],
"content": "Minor conservation work in response to earlier survey"
}
],
"technique": [
{
"id": "http://vocab.getty.edu/aat/300053027",
"type": "Type",
"_label": "Cleaning"
}
],
"timespan": {
"type": "TimeSpan",
"begin_of_the_begin": "2020-01-01T00:00:00Z",
"end_of_the_end": "2021-12-31T23:59:59Z"
},
"carried_out_by": [
{
"id": "https://linked.art/example/group/rijksmuseum",
"type": "Group",
"_label": "Rijksmuseum"
}
],
"part_of": [
{
"id": "https://linked.art/example/event/operation_nightwatch",
"type": "Activity",
"_label": "Operation Night Watch"
}
]
}
]
}
graph TD
classDef object stroke:black,fill:#E1BA9C,rx:20px,ry:20px;
classDef actor stroke:black,fill:#FFBDCA,rx:20px,ry:20px;
classDef type stroke:red,fill:#FAB565,rx:20px,ry:20px;
classDef name stroke:orange,fill:#FEF3BA,rx:20px,ry:20px;
classDef dims stroke:black,fill:#c6c6c6,rx:20px,ry:20px;
classDef infoobj stroke:#907010,fill:#fffa40,rx:20px,ry:20px
classDef timespan stroke:blue,fill:#ddfffe,rx:20px,ry:20px
classDef place stroke:#3a7a3a,fill:#aff090,rx:20px,ry:20px
classDef event stroke:#1010FF,fill:#96e0f6,rx:20px,ry:20px
classDef literal stroke:black,fill:#f0f0e0;
classDef classstyle stroke:black,fill:white;
O1(object/nightwatch/26)
class O1 object;
O1-- type -->O1_0[HumanMadeObject]
class O1_0 classstyle;
O1-- _label -->O1_4("''The Night Watch''")
class O1_4 literal;
O2(aat:300033618)
class O2 type;
O2-- type -->O2_0[Type]
class O2_0 classstyle;
O2-- _label -->O2_3("''Painting''")
class O2_3 literal;
O3(aat:300435443)
class O3 type;
O3-- type -->O3_0[Type]
class O3_0 classstyle;
O3-- _label -->O3_3("''Type of Work''")
class O3_3 literal;
O2-- classified_as -->O3
O1-- classified_as -->O2
O4( _ )
class O4 event;
O4-- type -->O4_0[Modification]
class O4_0 classstyle;
O4-- _label -->O4_2("''Conservation of Night Watch''")
class O4_2 literal;
O5( _ )
class O5 infoobj;
O5-- type -->O5_0[LinguisticObject]
class O5_0 classstyle;
O6(aat:300435416)
class O6 type;
O6-- type -->O6_0[Type]
class O6_0 classstyle;
O6-- _label -->O6_3("''Description''")
class O6_3 literal;
O7(aat:300418049)
class O7 type;
O7-- type -->O7_0[Type]
class O7_0 classstyle;
O7-- _label -->O7_3("''Brief Text''")
class O7_3 literal;
O6-- classified_as -->O7
O5-- classified_as -->O6
O5-- content -->O5_3("''Minor conservation work in response to earlier survey''")
class O5_3 literal;
O4-- referred_to_by -->O5
O8(aat:300053027)
class O8 type;
O8-- type -->O8_0[Type]
class O8_0 classstyle;
O8-- _label -->O8_3("''Cleaning''")
class O8_3 literal;
O4-- technique -->O8
O9( _ )
class O9 timespan;
O9-- type -->O9_0[TimeSpan]
class O9_0 classstyle;
O9-- begin_of_the_begin -->O9_2("''2020-01-01T00:00:00Z''")
class O9_2 literal;
O9-- end_of_the_end -->O9_3("''2021-12-31T23:59:59Z''")
class O9_3 literal;
O4-- timespan -->O9
O10(group/rijksmuseum)
class O10 actor;
O10-- type -->O10_0[Group]
class O10_0 classstyle;
O10-- _label -->O10_3("''Rijksmuseum''")
class O10_3 literal;
O4-- carried_out_by -->O10
O11(event/operation_nightwatch)
class O11 event;
O11-- type -->O11_0[Activity]
class O11_0 classstyle;
O11-- _label -->O11_3("''Operation Night Watch''")
class O11_3 literal;
O4-- part_of -->O11
O1-- modified_by -->O4
Other Representations: JSON-LD (raw) | JSON-LD (playground) | Turtle (raw) | Turtle (styled)
Conservation Project
Conservation Projects are wrapper activities which represent the context of more granular events, and represent the overall event that is tracked in the chain, rather than the specific legal and physical changes that affect one or more objects. For example, a condition check of a collection which involves checking multiple objects, or conservation activity which starts with a condition check and continues with interventive conservation work.
Conservation Projects have all of the regular properties and relationships, as documented in the baseline patterns. In particular, the relationships to actors, places and time reflect the overall event.
Example:
Operation Night Watch is a conservation and research project about The Night Watch
{
"@context": "https://linked.art/ns/v1/linked-art.json",
"id": "https://linked.art/example/event/operation_nightwatch/1",
"type": "Activity",
"_label": "Conservation Project",
"classified_as": [
{
"id": "http://vocab.getty.edu/aat/300404519",
"type": "Type",
"_label": "Conservation Activity"
}
],
"identified_by": [
{
"type": "Name",
"classified_as": [
{
"id": "http://vocab.getty.edu/aat/300404670",
"type": "Type",
"_label": "Primary Name"
}
],
"content": "Operation Night Watch"
}
],
"referred_to_by": [
{
"type": "LinguisticObject",
"classified_as": [
{
"id": "http://vocab.getty.edu/aat/300435416",
"type": "Type",
"_label": "Description",
"classified_as": [
{
"id": "http://vocab.getty.edu/aat/300418049",
"type": "Type",
"_label": "Brief Text"
}
]
}
],
"content": "Operation Night Watch is the biggest and most wide-ranging ever study of Rembrandt’s most famous painting."
}
],
"timespan": {
"type": "TimeSpan",
"begin_of_the_begin": "2019-01-01T00:00:00Z",
"end_of_the_end": "2023-12-31T23:59:59Z"
},
"carried_out_by": [
{
"id": "https://linked.art/example/group/rijksmuseum",
"type": "Group",
"_label": "Rijksmuseum"
},
{
"id": "https://linked.art/example/group/akzonobel",
"type": "Group",
"_label": "AkzoNobel"
}
]
}
graph TD
classDef object stroke:black,fill:#E1BA9C,rx:20px,ry:20px;
classDef actor stroke:black,fill:#FFBDCA,rx:20px,ry:20px;
classDef type stroke:red,fill:#FAB565,rx:20px,ry:20px;
classDef name stroke:orange,fill:#FEF3BA,rx:20px,ry:20px;
classDef dims stroke:black,fill:#c6c6c6,rx:20px,ry:20px;
classDef infoobj stroke:#907010,fill:#fffa40,rx:20px,ry:20px
classDef timespan stroke:blue,fill:#ddfffe,rx:20px,ry:20px
classDef place stroke:#3a7a3a,fill:#aff090,rx:20px,ry:20px
classDef event stroke:#1010FF,fill:#96e0f6,rx:20px,ry:20px
classDef literal stroke:black,fill:#f0f0e0;
classDef classstyle stroke:black,fill:white;
O1(event/operation_nightwatch/1)
class O1 event;
O1-- type -->O1_0[Activity]
class O1_0 classstyle;
O1-- _label -->O1_4("''Conservation Project''")
class O1_4 literal;
O2(aat:300404519)
class O2 type;
O2-- type -->O2_0[Type]
class O2_0 classstyle;
O2-- _label -->O2_3("''Conservation Activity''")
class O2_3 literal;
O1-- classified_as -->O2
O3( _ )
class O3 name;
O3-- type -->O3_0[Name]
class O3_0 classstyle;
O4(aat:300404670)
class O4 type;
O4-- type -->O4_0[Type]
class O4_0 classstyle;
O4-- _label -->O4_3("''Primary Name''")
class O4_3 literal;
O3-- classified_as -->O4
O3-- content -->O3_3("''Operation Night Watch''")
class O3_3 literal;
O1-- identified_by -->O3
O5( _ )
class O5 infoobj;
O5-- type -->O5_0[LinguisticObject]
class O5_0 classstyle;
O6(aat:300435416)
class O6 type;
O6-- type -->O6_0[Type]
class O6_0 classstyle;
O6-- _label -->O6_3("''Description''")
class O6_3 literal;
O7(aat:300418049)
class O7 type;
O7-- type -->O7_0[Type]
class O7_0 classstyle;
O7-- _label -->O7_3("''Brief Text''")
class O7_3 literal;
O6-- classified_as -->O7
O5-- classified_as -->O6
O5-- content -->O5_3("''Operation Night Watch is the biggest and most wide-ranging ever study of Rembrandt’s most famous painting.''")
class O5_3 literal;
O1-- referred_to_by -->O5
O8( _ )
class O8 timespan;
O8-- type -->O8_0[TimeSpan]
class O8_0 classstyle;
O8-- begin_of_the_begin -->O8_2("''2019-01-01T00:00:00Z''")
class O8_2 literal;
O8-- end_of_the_end -->O8_3("''2023-12-31T23:59:59Z''")
class O8_3 literal;
O1-- timespan -->O8
O9(group/rijksmuseum)
class O9 actor;
O9-- type -->O9_0[Group]
class O9_0 classstyle;
O9-- _label -->O9_3("''Rijksmuseum''")
class O9_3 literal;
O1-- carried_out_by -->O9
O10(group/akzonobel)
class O10 actor;
O10-- type -->O10_0[Group]
class O10_0 classstyle;
O10-- _label -->O10_3("''AkzoNobel''")
class O10_3 literal;
O1-- carried_out_by -->O10
Other Representations: JSON-LD (raw) | JSON-LD (playground) | Turtle (raw) | Turtle (styled)