spatial data retrieval 空间数据检索
Spatial visual retrieval 空间可视化检索
spatial information retrieval 空间信息检索
spatial query and retrieval 空间查询检索
Spatial database index is the vital technique for improving the storage efficiency of spatial databases and the spatial retrieval performance.
空间数据库的索引是提高空间数据库存储效率、空间检索性能的关键技术。
This issuance system possesses multi-functions of map-layer control and management, data searching and retrieval, and spatial analysis operation of basic information.
该网络发布系统具有图层控制与管理、数据查询检索、基本信息的空间分析操作功能。
A new method of describing and matching spatial context is proposed to effectively improve the distinguishability of objects in visual words-based image retrieval.
提出了一种空间上下文描述与匹配方法，有效地提高了基于视觉关键词的图像检索中目标对象的可区分性。
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