1. A geospatial object property assessment apparatus, the apparatus comprising: a processing resource arranged to support a geospatial object property processor, the geospatial object property processor including: a subject data source input capable of receiving a first metadata associated with quality of current source information content used to define a property of a geospatial object; a resource data source input capable of receiving a second metadata associated with quality of candidate resource information content for updating the definition of the property of the geospatial object; and an assessment processor operably coupled to the subject data source input and the resource data source input, the assessment processor being arranged to use the first metadata and the second metadata in accordance with a predetermined ruleset in order to determine whether the candidate resource information content constitutes a qualitatively better resource to define the property of the geospatial object than the current source information content.