Temporal Reference System – SP11
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SP11 Temporal Reference System
Subclass of:
Scope note:
This class compromises systems(S) that are used to describe positions and extents in a Reference Time. If relativistic effects are negligible in the wider spacetime area of interest and the speeds of associated things, then there is only one unique global reference time. The typical way to measure time is to count the cycles of a periodic process for which we have a hypothesis of constant frequency, such as oscillations of a crystal, molecular arrangement, rotation of earth around itself or around the sun. The origin for a Temporal Reference System is fixed on a reference event. As long as the number of cycles passed from that reference event until now are known, the temporal reference system exists (E) and expressions in this Reference System can be interpreted with respect to the Reference Time.
A temporal reference system represents time as a continuous linear interpolation over the infinit series of cycles extended from the reference event to he past and the future, regardless of the temporal position of the mathematical point zero of an instance of E61 Time Primitive, such for instance the gregorian calender begins with the event an arbitrary positiong the point zero as beeing the date of the „Birth of Christ“. The actual date of birth of christ is regarded to be unknown and therefor is not the reference event.
The identity of a Temporal Reference System is defined through the type of periodic process it is based on, the reference event and through the distance of the reference event to the position of the mathematical point zero (I).
A value in the Reference Time is a temporal position measured relative to a temporal reference system. ISO 8601 specifies the use of the Gregorian Calendar and 24 hour local or Coordinated Universal Time (UTC) for information interchange.
In ISO 19108 three common types of temporal reference systems are explicitly stated: calendars (used with clocks for greater resolution), temporal coordinate systems, and ordinal temporal reference systems.
Calendars and clocks are both based on interval scales. A calendar is a discrete temporal reference system that provides a basis for defining temporal position to a resolution of one day. A clock provides a basis for defining temporal position within a day. A clock must be used with a calendar in order to provide a complete description of a temporal position within a specific day. Every calendar provides a set of rules for composing a calendar date from a set of elements such as year, month, and day. In every calendar, years are numbered relative to the date of a reference event that defines a calendar era [ISO 19108].
Specifying temporal position in terms of calendar date and time of day complicates the computation of distances between points and the functional description of temporal operations. A temporal coordinate system may be used to support applications of this kind. [ISO 19108].
Ordinal temporal reference systems as specified in ISO 19108 are no instances of SP11 Temporal Reference Systems as they do not define cycles of a periodic process but define a system of time intervals based on reverence periods related to certain natural or cultural phenomena.
Examples:
- Gregorian Calendar
- Coordinated Universal Time (UTC)
- Julian date
- Greenwich time
- ISO 8601
In First Order Logic:
- SP11(x) ⇒ E29(x)
Outgoing properties:
- crmgeo:Q19 has reference event (1,n:1,1) → crm:E5 Event
Incoming properties:
Scope notes
Scope note
This class compromises systems(S) that are used to describe positions and extents in a Reference Time. If relativistic effects are negligible in the wider spacetime area of interest and the speeds of associated things, then there is only one unique global reference time. The typical way to measure time is to count the cycles of a periodic process for which we have a hypothesis of constant frequency, such as oscillations of a crystal, molecular arrangement, rotation of earth around itself or around the sun. The origin for a Temporal Reference System is fixed on a reference event. As long as the number of cycles passed from that reference event until now are known, the temporal reference system exists (E) and expressions in this Reference System can be interpreted with respect to the Reference Time.
A temporal reference system represents time as a continuous linear interpolation over the infinit series of cycles extended from the reference event to he past and the future, regardless of the temporal position of the mathematical point zero of an instance of E61 Time Primitive, such for instance the gregorian calender begins with the event an arbitrary positiong the point zero as beeing the date of the „Birth of Christ“. The actual date of birth of christ is regarded to be unknown and therefor is not the reference event.
The identity of a Temporal Reference System is defined through the type of periodic process it is based on, the reference event and through the distance of the reference event to the position of the mathematical point zero (I).
A value in the Reference Time is a temporal position measured relative to a temporal reference system. ISO 8601 specifies the use of the Gregorian Calendar and 24 hour local or Coordinated Universal Time (UTC) for information interchange.
In ISO 19108 three common types of temporal reference systems are explicitly stated: calendars (used with clocks for greater resolution), temporal coordinate systems, and ordinal temporal reference systems.
Calendars and clocks are both based on interval scales. A calendar is a discrete temporal reference system that provides a basis for defining temporal position to a resolution of one day. A clock provides a basis for defining temporal position within a day. A clock must be used with a calendar in order to provide a complete description of a temporal position within a specific day. Every calendar provides a set of rules for composing a calendar date from a set of elements such as year, month, and day. In every calendar, years are numbered relative to the date of a reference event that defines a calendar era [ISO 19108].
Specifying temporal position in terms of calendar date and time of day complicates the computation of distances between points and the functional description of temporal operations. A temporal coordinate system may be used to support applications of this kind. [ISO 19108].
Ordinal temporal reference systems as specified in ISO 19108 are no instances of SP11 Temporal Reference Systems as they do not define cycles of a periodic process but define a system of time intervals based on reverence periods related to certain natural or cultural phenomena.
Show | Scope note | Language | Namespace | View details | Comments |
---|---|---|---|---|---|
This class compromises systems(S) that are used to describe positions and extents in a Reference Time. If relativistic effects are negligible in the wider spacetime area of interest and the speeds of associated things, then there is only one unique global reference time. The typical way to measure time is to count the cycles of a periodic process for which we have a hypothesis of constant frequency, such as oscillations of a crystal, molecular arrangement, rotation of earth around itself or around the sun. The origin for a Temporal Reference System is fixed on a reference event. As long as the number of cycles passed from that reference event until now are known, the temporal reference system exists (E) and expressions in this Reference System can be interpreted with respect to the Reference Time. A temporal reference system represents time as a continuous linear interpolation over the infinit series of cycles extended from the reference event to he past and the future, regardless of the temporal position of the mathematical point zero of an instance of E61 Time Primitive, such for instance the gregorian calender begins with the event an arbitrary positiong the point zero as beeing the date of the „Birth of Christ“. The actual date of birth of christ is regarded to be unknown and therefor is not the reference event. The identity of a Temporal Reference System is defined through the type of periodic process it is based on, the reference event and through the distance of the reference event to the position of the mathematical point zero (I). A value in the Reference Time is a temporal position measured relative to a temporal reference system. ISO 8601 specifies the use of the Gregorian Calendar and 24 hour local or Coordinated Universal Time (UTC) for information interchange. In ISO 19108 three common types of temporal reference systems are explicitly stated: calendars (used with clocks for greater resolution), temporal coordinate systems, and ordinal temporal reference systems. Calendars and clocks are both based on interval scales. A calendar is a discrete temporal reference system that provides a basis for defining temporal position to a resolution of one day. A clock provides a basis for defining temporal position within a day. A clock must be used with a calendar in order to provide a complete description of a temporal position within a specific day. Every calendar provides a set of rules for composing a calendar date from a set of elements such as year, month, and day. In every calendar, years are numbered relative to the date of a reference event that defines a calendar era [ISO 19108]. Specifying temporal position in terms of calendar date and time of day complicates the computation of distances between points and the functional description of temporal operations. A temporal coordinate system may be used to support applications of this kind. [ISO 19108]. Ordinal temporal reference systems as specified in ISO 19108 are no instances of SP11 Temporal Reference Systems as they do not define cycles of a periodic process but define a system of time intervals based on reverence periods related to certain natural or cultural phenomena. | en | CRMgeo version 1.2 | 0 |
Examples
Example
- Gregorian Calendar
- Coordinated Universal Time (UTC)
- Julian date
- Greenwich time
- ISO 8601
Show | Example | Language | Namespace | View details | Comments |
---|---|---|---|---|---|
Gregorian Calendar Coordinated Universal Time (UTC) Julian date Greenwich time ISO 8601 | en | CRMgeo version 1.2 | 0 |
Additional notes
Identifier: SP11
Official URI: http://www.ics.forth.gr/isl/CRMgeo/SP11_Temporal_Reference_System
OntoME URI: https://ontome.net/ontology/c353
Labels
Label | Language | Last updated | View details | Comments |
---|---|---|---|---|
Temporal Reference System * | en | 2021-06-10 | 0 |
* : Standard label for this language
Namespace
Parent classes
Class | Class namespace | Relation defined in | Justification | View details | Edit | Delete | Comments |
---|---|---|---|---|---|---|---|
E29 Design or Procedure | CIDOC CRM version 6.2 | CRMgeo version 1.2 | 0 |
Ancestor classes
Class | Depth | Class namespace | Via |
---|---|---|---|
E73 Information Object | 2 | CIDOC CRM version 6.2 | E29 |
E89 Propositional Object | 3 | CIDOC CRM version 6.2 | E29 - E73 |
E90 Symbolic Object | 3 | CIDOC CRM version 6.2 | E29 - E73 |
E28 Conceptual Object | 4 | CIDOC CRM version 6.2 | E29 - E73 - E89 |
E28 Conceptual Object | 4 | CIDOC CRM version 6.2 | E29 - E73 - E90 |
E72 Legal Object | 4 | CIDOC CRM version 6.2 | E29 - E73 - E90 |
E70 Thing | 5 | CIDOC CRM version 6.2 | E29 - E73 - E90 - E72 |
E71 Man-Made Thing | 5 | CIDOC CRM version 6.2 | E29 - E73 - E89 - E28 |
E71 Man-Made Thing | 5 | CIDOC CRM version 6.2 | E29 - E73 - E90 - E28 |
E70 Thing | 6 | CIDOC CRM version 6.2 | E29 - E73 - E89 - E28 - E71 |
E70 Thing | 6 | CIDOC CRM version 6.2 | E29 - E73 - E90 - E28 - E71 |
E77 Persistent Item | 6 | CIDOC CRM version 6.2 | E29 - E73 - E90 - E72 - E70 |
E1 CRM Entity | 7 | CIDOC CRM version 6.2 | E29 - E73 - E90 - E72 - E70 - E77 |
E77 Persistent Item | 7 | CIDOC CRM version 6.2 | E29 - E73 - E89 - E28 - E71 - E70 |
E77 Persistent Item | 7 | CIDOC CRM version 6.2 | E29 - E73 - E90 - E28 - E71 - E70 |
S15 Observable Entity | 7 | CRMsci version 1.2.3 | E29 - E73 - E90 - E72 - E70 - E77 |
E1 CRM Entity | 8 | CIDOC CRM version 6.2 | E29 - E73 - E89 - E28 - E71 - E70 - E77 |
E1 CRM Entity | 8 | CIDOC CRM version 6.2 | E29 - E73 - E90 - E28 - E71 - E70 - E77 |
E1 CRM Entity | 8 | CIDOC CRM version 6.2 | E29 - E73 - E90 - E72 - E70 - E77 - S15 |
Thing | 8 | OntoME internal model - active version | E29 - E73 - E90 - E72 - E70 - E77 - E1 |
S15 Observable Entity | 8 | CRMsci version 1.2.3 | E29 - E73 - E89 - E28 - E71 - E70 - E77 |
S15 Observable Entity | 8 | CRMsci version 1.2.3 | E29 - E73 - E90 - E28 - E71 - E70 - E77 |
E1 CRM Entity | 9 | CIDOC CRM version 6.2 | E29 - E73 - E89 - E28 - E71 - E70 - E77 - S15 |
E1 CRM Entity | 9 | CIDOC CRM version 6.2 | E29 - E73 - E90 - E28 - E71 - E70 - E77 - S15 |
Thing | 9 | OntoME internal model - active version | E29 - E73 - E89 - E28 - E71 - E70 - E77 - E1 |
Child and descendant classes
Related classes
Outgoing properties (this class is domain)
Domain | Property identifier | Range | Namespace |
---|---|---|---|
SP11 Temporal Reference System | crmgeo:Q19 has reference event | E5 Event | CRMgeo version 1.2 |
Outgoing properties (inherited from ancestors)
Domain | Property identifier | Range | Namespace |
---|---|---|---|
SP11 Temporal Reference System (is a E1 CRM Entity ) | crm:P1 is identified by (identifies) | E41 Appellation | CIDOC CRM version 6.2 |
SP11 Temporal Reference System (is a E1 CRM Entity ) | crm:P2 has type (is type of) | E55 Type | CIDOC CRM version 6.2 |
SP11 Temporal Reference System (is a E1 CRM Entity ) | crm:P3 has note | E62 String | CIDOC CRM version 6.2 |
SP11 Temporal Reference System (is a E1 CRM Entity ) | crm:P48 has preferred identifier (is preferred identifier of) | E42 Identifier | CIDOC CRM version 6.2 |
SP11 Temporal Reference System (is a E1 CRM Entity ) | crm:P137 exemplifies (is exemplified by) | E55 Type | CIDOC CRM version 6.2 |
SP11 Temporal Reference System (is a E1 CRM Entity ) | crmdig:L47 has comment | E62 String | CRMdig version 3.2.1 |
SP11 Temporal Reference System (is a E1 CRM Entity ) | crmdig:L4 has preferred label | E62 String | CRMdig version 3.2.1 |
SP11 Temporal Reference System (is a E1 CRM Entity ) | crmdig:L53 is not uniquely identified by | E62 String | CRMdig version 3.2.1 |
SP11 Temporal Reference System (is a E1 CRM Entity ) | sdh:P70 same resource in the world as (same as) | E1 CRM Entity | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
SP11 Temporal Reference System (is a E1 CRM Entity ) | sdh:P2 domain class has identity defining component (is identity defining component of domain class) | E1 CRM Entity | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
SP11 Temporal Reference System (is a E1 CRM Entity ) | sdh:P10 time-independent entity association | E1 CRM Entity | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
SP11 Temporal Reference System (is a E1 CRM Entity ) | sdh:P18 is identifying component of range class (range class has identity defining component) | E1 CRM Entity | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
SP11 Temporal Reference System (is a E1 CRM Entity ) | crm-sup:P20 same as external identifier (same as) | E42 Identifier | SDHSS CIDOC CRM supplement – ongoing |
SP11 Temporal Reference System (is a E1 CRM Entity ) | sdh:P63 has preferred type (is preferred type of) | E55 Type | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
SP11 Temporal Reference System (is a E1 CRM Entity ) | crm-sup:P28 same as URI [owl:sameAs] (same as) | C30 Uniform Resource Identifier (URI) | SDHSS CIDOC CRM supplement – ongoing |
SP11 Temporal Reference System (is a E1 CRM Entity ) | crmdig:L54 is same-as (is same-as) | E1 CRM Entity | CRMdig version 3.2.1 |
SP11 Temporal Reference System (is a E1 CRM Entity ) | crmdig:L55 has inventory no | E62 String | CRMdig version 3.2.1 |
SP11 Temporal Reference System (is a E1 CRM Entity ) | sdh:P67 has kind (is kind of) | C50 Kind | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
SP11 Temporal Reference System (is a E1 CRM Entity ) | sdh:P71 could be the same entity as (inverse of could be the same entity as) | E1 CRM Entity | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
SP11 Temporal Reference System (is a E28 Conceptual Object ) | crm:P149 is identified by (identifies) | E75 Conceptual Object Appellation | CIDOC CRM version 6.2 |
SP11 Temporal Reference System (is a E29 Design or Procedure ) | crm:P68 foresees use of (use foreseen by) | E57 Material | CIDOC CRM version 6.2 |
SP11 Temporal Reference System (is a E29 Design or Procedure ) | crm:P69 has association with (is associated with) | E29 Design or Procedure | CIDOC CRM version 6.2 |
SP11 Temporal Reference System (is a E70 Thing ) | crm:P43 has dimension (is dimension of) | E54 Dimension | CIDOC CRM version 6.2 |
SP11 Temporal Reference System (is a E70 Thing ) | crm:P101 had as general use (was use of) | E55 Type | CIDOC CRM version 6.2 |
SP11 Temporal Reference System (is a E70 Thing ) | crm:P130 shows features of (features are also found on) | E70 Thing | CIDOC CRM version 6.2 |
Incoming properties (this class is range)
Domain | Property identifier | Range | Namespace |
---|---|---|---|
SP12 Spacetime Volume Expression | crmgeo:Q17 is expressed in terms of | SP11 Temporal Reference System | CRMgeo version 1.2 |
SP14 Time Expression | crmgeo:Q15 is expressed in terms of | SP11 Temporal Reference System | CRMgeo version 1.2 |
Incoming properties (inherited from ancestors)
Domain | Property identifier | Range | Namespace |
---|---|---|---|
C11 Appellation in a Language | sdh:P11 is appellation for language of (has appellation for language) | SP11 Temporal Reference System (is a E1) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
C12 Dedication | sdh-int:P22 has dedicatory object (is dedicatory object of) | SP11 Temporal Reference System (is a E77) | SDHSS - Propositions, Texts, Intellectual Life ongoing |
C14 Holding of a Right or Obligation | sdh-so:P8 is subjection of (is subject to) | SP11 Temporal Reference System (is a E77) | SDHSS Social, legal and economic life ongoing |
C19 Legal Integration | sdh-so:P27 is integration of (is integrated by) | SP11 Temporal Reference System (is a E1) | SDHSS Social, legal and economic life ongoing |
C23 Identification | crm-sup:P18 is identification of (has identification) | SP11 Temporal Reference System (is a E1) | SDHSS CIDOC CRM supplement – ongoing |
C23 Use | sdh:P31 has purpose (is purpose of) | SP11 Temporal Reference System (is a E89) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
C23 Use | sdh:P32 is use of (is used by) | SP11 Temporal Reference System (is a E77) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
C27 Legal Fact | sdh-so:P52 is legal connotation of (has legal connotation) | SP11 Temporal Reference System (is a E77) | SDHSS Social, legal and economic life ongoing |
C29 Legal Quality Acquisition | sdh-so:P43 is acquisition by (acquires) | SP11 Temporal Reference System (is a E77) | SDHSS Social, legal and economic life ongoing |
C3 Epistemic Situation | sdh:P91 involves (is involved in) | SP11 Temporal Reference System (is a E77) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
C30 Connotation | sdh:P39 is connotation of (has connotation) | SP11 Temporal Reference System (is a E1) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
C38 Presence of a Thing | sdh-so:P75 is presence of (is concerned by) | SP11 Temporal Reference System (is a E70) | SDHSS Social, legal and economic life ongoing |
C4 Intention | sdh:P34 has content (is content of) | SP11 Temporal Reference System (is a E89) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
C5 Step | sdh-int:P14 foresees the use of specific object (is foreseen for) | SP11 Temporal Reference System (is a E71) | SDHSS - Propositions, Texts, Intellectual Life ongoing |
C60 Thing Involved in an Epistemic Situation | sdh:P79 is involvement of (has involvement) | SP11 Temporal Reference System (is a E77) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
C66 Involvement of a Thing | sdh:P85 concerned object (is involved in) | SP11 Temporal Reference System (is a E70) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
C8 Intentional Composition | sdh:P53 has intentional component (is component of) | SP11 Temporal Reference System (is a E1) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
C8 Intentional Composition | sdh:P54 is intentional component of (has intentional component) | SP11 Temporal Reference System (is a E1) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
D2 Digitization Process | crmdig:L60 documents | SP11 Temporal Reference System (is a E1) | CRMdig version 3.2.1 |
D29 Annotation Object | crmdig:L43 annotates (is annotated by) | SP11 Temporal Reference System (is a E1) | CRMdig version 3.2.1 |
E1 CRM Entity | crmdig:L54 is same-as (is same-as) | SP11 Temporal Reference System (is a E1) | CRMdig version 3.2.1 |
E1 CRM Entity | sdh:P10 time-independent entity association | SP11 Temporal Reference System (is a E1) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
E1 CRM Entity | sdh:P18 is identifying component of range class (range class has identity defining component) | SP11 Temporal Reference System (is a E1) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
E1 CRM Entity | sdh:P2 domain class has identity defining component (is identity defining component of domain class) | SP11 Temporal Reference System (is a E1) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
E1 CRM Entity | sdh:P70 same resource in the world as (same as) | SP11 Temporal Reference System (is a E1) | SDHSS Semantic Data for Humanities and Social Sciences CIDOC CRM Extension ongoing |
Profiles using this class
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