搜索结果: 1-2 共查到“大地测量学 Consistency”相关记录2条 . 查询时间(0.086 秒)
FORMAL LANGUAGES FOR EXPRESSING DATA CONSISTENCY RULES AND IMPLICATIONS FOR REPORTING OF QUALITY METADATA
Re-use rules metrics mining languages metadata
2015/9/28
Over the past thirty years, in excess of 36 billion dollars has been invested in the collection of spatial information across the public sector in Europe (PIRA, 2000). There is a clear imperative now ...
LOGICAL CONSISTENCY FOR VAGUE SPATIOTEMPORAL OBJECTS AND RELATIONS
spatio–temporal vagueness spatio–temporal databases spatial data quality logical consistency integrity constraints
2015/9/28
Vagueness is often considered as an inherent property of spatiotemporal phenomena. In order to reduce this vagueness, integrity constraints should be defined to improve logical consistency of spatiote...