关键词: 全序时态模块模式 全序时态模块投影 全序时态简单范式 多时间粒度

Abstract: Constraints involving multiple time granularities exist in many temporal database applications. However, design of temporal database with multiple time granularities is fairly complicated, even hard to implement. Temporal type sets involved in many real w

Key words: Total order temporal module schemes, Total order temporal module projection, Total order temporal SNF, Multiple time granularities