The key definitions of spatio-temporal data modeling are summarized and the requirements of spatio-temporal database community, including temporal semantics, spatial semantics, spatio-temporal semantics and query capabilities are specified.
The key definitions of spatio-temporal data modeling are summarized and the requirements of spatio-temporal database community, including temporal semantics, spatial semantics, spatio-temporal semantics and query capabilities are specified.
摘要阐述了时空数据建模的主要定义，分析了时空数据库领域的建模需求，包括时态语义、空间语义、时空语义和查询能力。