通过特定的改进，直方图也可应用到时空查询优化中。
Histogram can also be used in spatiotemporal query optimization after some improvements.
应用这个模型实现了对地名数据库的编辑更新及时空查询操作。
The application of the model can realize editing, updating and spatial-temporal querying of the place name database.
运动趋势的准确预测是实现移动对象数据库中各种预测性时空查询处理的基础。
Accurate predicting the movement trend is the fundamental issue for processing many kinds of predictive queries in moving objects database.
应用推荐