作者: Chengyu Sun , Nagender Bandi , Divyakant Agrawal , Amr El Abbadi
关键词: Grid 、 Relation (database) 、 Geographic information system 、 Search engine indexing 、 Spatial relation 、 Data mining 、 Set (abstract data type) 、 Data structure 、 Approximation algorithm 、 Computer science
摘要: As online spatial datasets grow both in number and sophistication, it becomes increasingly difficult for users to decide whether a dataset is suitable for their tasks, especially when they …