SOS is an OGC Standard. Copyright (c) 2012 Open Geospatial Consortium. To obtain additional rights of use, visit http://www.opengeospatial.org/legal/ . request to retrieve just the result values of observations without the entire metadata of the observation sos:ObservationOffering pointer to an ObservationOffering advertised in the Capabilities document for which results are requested. pointer to an observedProperty of the observations whose results are requested specifies a filter for a time property of observations whose results are requested gml:AbstractFeature pointer to a feature of interest of the observations whose results are requested specifies a filter which applies to a spatial property of an observation (or one of its properties). This property is defined in the valueReference element of the SpatialOperator. response with result values from observations matching the request criteria encoded value blocks representing the result values of the observations targeted by the GetResult request