Development operators on 4D moving object databases

• 作 者: JUNSung-woo LEEYang-koo KIMSan
• 机 构: DatabaseLaboratory
• 出 处: 重庆邮电学院学报：自然科学版
• 发表日期: 2004年5期
• 关键词: 移动对象数据库 4D操作 特殊拓扑关联 发展操作 moving object database 4D operators specific topologica
• 基金项目: This work is Supported by University IT Research Center Project and KOSEF RRC Project in Korea

In this paper we propose four-dimensional (4D) operators, which can be used to deal with sequential changes of topological relationships between 4D moving objects and we call them 4D development operators. In contrast to the existing operators, we can app