B SEM_MATCH Support for Spatial Queries
This appendix provides reference information for SPARQL extension functions for performing spatial queries in SEM_MATCH.
To use these functions, you must understand the concepts explained in Spatial Support.
Note:
Throughout this appendix geomLiteral is used as a placeholder for
orageo:WKTLiteral,
ogc:wktLiteral,
ogc:gmlLiteral,
ogc:geoJSONLiteral, and
ogc:kmlLiteral, which can be used
interchangeably, in format representations and
parameter descriptions. (However,
orageo:WKTLiteral or
ogc:wktLiteral is used in actual
examples.)
This appendix includes the GeoSPARQL and Oracle-specific functions, which are explained in the following sections: