25 | | where x y z t are the spatiotemporal coordinates, [] indicate optional coordinates, i is the subscript identifying the instance of the feature type, while o and p are subscripts of the data values that compose that instance. For example, ~~each in a collection of timeSeries features, each timeSeries instance ''i'' has data values at each ''o''~~ time index. |

| 25 | where x y z t are the spatiotemporal coordinates, [] indicate optional coordinates, i is the subscript identifying the instance of the feature type, while o and p are subscripts of the data values that compose that instance. For example, in a collection of timeSeries features, each timeSeries instance i has data values at each o time index. |