Concept
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- Preferred Labelskos:prefLabel
Time Period
- URI
- http://www.opengis.net/def/objectType/ISO-19108/2002/TM_Period ↗Go to the persistent identifier link
- Within Vocab
- Basic Datatypes from ISO 1900 series
| Definitionskos:definition | ISO 19108 - The period is a one-dimensional geometric primitive that represents extent in time. The period is equivalent to a curve in space. Like a curve, it is an open interval bounded by beginning and end points (instants), and has length (duration). Its location in time is described by the temporal positions of the instants at which it begins and ends; its duration equals the temporal distance between those two temporal positions. Since it is impossible to measure duration on an ordinal scale, an instant cannot be distinguished from a period on this basis. In practice, the time at which a single event occurs can be considered an instant when time is measured on an ordinal scale. A series of consecutive events must occupy an interval of time, which is a period. The term period is commonly applied to sequences of events that have distinctive characteristics in common. |
|---|---|
| Broaderbroader | Temporal Geometric Primitive |
| Exact MatchexactMatch | tm_period |
| urn:ogc:def:dataType:ISO-19108:2002:TM_Period | |
| hasProfilehasProfile | http://www.opengis.net/def/objectType/ISO-19108/2002/TM_Period?_profile=conceptscheme |
| seeAlsoseeAlso | http://www.opengis.net/def/objectType/ISO-19108/2002/TM_Period?_profile=alt |
| Creatorcreator | Simon J D Cox |
| http://www.w3.org/2004/02/skos/core#broaderTransitivebroaderTransitive | Temporal Geometric Primitive |
| Status of item in register or collectionstatus | valid |
| Notationnotation | TM_Period |
| Datedate | 2010-03-23 |