OGC TimeseriesML is an OGC Standard. Copyright (c) 2015, 2016, 2019, 2021 Open Geospatial Consortium. To obtain additional rights of use, visit http://www.opengeospatial.org/legal/ . The Collection schema contains a collection element as well as other document specific types. TimeseriesML defines a generic collection feature type, Collection, to allow the grouping of observations and/or sampling features with metadata to describe the nature of the collection. Such collections are required in a number of data exchange scenarios; whether the underlying transport technology is web services, FTP or other technologies. Use this extension point for community-agreed extensions to the schema. Use this extension point for internal extensions that have not been defined for external use. The date this data was generated. The system from which this data was generated. This version property is distinct from the version of the TimeseriesML schema. It is a version of the whole standards package: schema, vocabularies, used profiles etc. I.e. a version to allow specific versions associated with usage of a schema version with other components. This may be used to reference a definition of a conformance class that members of the collection conform to. Describes the temporal extent of the all the timeseries contained within the collection (if they exist). A dictionary containing definitions of terms. Provides a context for identification of particular data elements through use of MD_DataIdentification. These can be referenced from individual timeseries values. A soft-typed parameter for extra metadata properties. A sampling feature or group of sampling features. One or more timeseries observations A choice of defining a single sampling feature, or a grouping.