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- To query the spatial database effectively, this paper constructs a new spatial index structure (MC tree) and also presents the properties and updating-arithmetics of the MC tree . 根据空间数据库的查询要求,本文构建了一种新的空间索引结构(MC树),并给出了MC树的性质和相关更新算法。
- An Efficient Spatial Index Structure 一种高效的空间索引结构
- XBR-tree: An New Spatial Index Structure base on Quad-tree XBR树:一种基于四叉树的空间对象移动路径索引结构
- Research of Adapting Spatial Index Structure and Search Algorithm of Electronic Chart 电子海图空间数据索引结构及检索算法研究
- The new spatial index structure 一种新的空间索引结构
- Drop spatial index on tablename. 可以删除一个空间索引。
- spatial index structure 空间索引结构
- QR-tree:An Efficient Spatial Indexing Structure for GIS with Very Large Spatial Database 大型GIS空间数据库的有效索引结构QR-树
- (4) A distributed multi-levels parallel spatial indexing structure DMP-Rtree is presented. (4) 提出了基于多层次索引结构的分布式并行空间索引方法。
- This paper classify a series of methods on spatial database index, and introduce the QR-tree index structure with very large spatial database. 在综述现有空间数据库索引技术的基础上,提出了一种面向大型空间数据库的QR-树索引方法。
- And the declustering methods and grid spatial index in dada management are introduced. 研究了空间流媒体服务器的数据组织中采取的数据分布技术和网格索引技术。
- Based on the distribution property of scattered points, two spatial index methods, GRID and KD-Tree, are put forward to generate regular grid DTM. 该文针对离散点的空间分布特性 ,给出了基于网格分块和KD -Tree两种空间索引技术的规则格网内插方法。
- There must be sufficient free space in the destination filegroup to store the final index structure. 目标文件组中必须有足够的可用空间来存储最终索引结构。
- Builds the inverted index structure that is used to store the indexed tokens. 生成用于存储索引令牌的倒排索引结构。
- In this paper, two spatial index methods, GRID and R-tree, are introduced to detect the duplication of scattered points and the intersection of contours. 分别探讨了基于格网分块索引重复点检查和基于R树索引等高线相交检查两种方法。
- This paper discusses part of the index structure, which is the basis of the whole engine system. 另外,文章还讨论了其中的索引结构部分,是整个搜索引擎系统的基石。
- ABSRACT: In this paper, we propose RIST, a novel index structure for searching XML documents. 摘要 摘要:本文提出了一种用于搜索XML文档的新的索引方法即RIST。
- The clustered index is implemented as a B-tree index structure that supports fast retrieval of the rows, based on their clustered index key values. 聚集索引按B树索引结构实现,B树索引结构支持基于聚集索引键值对行进行快速检索。
- It also implements the full-text catalogs as inverted index structures on disk. 它还会在磁盘上以倒排索引结构的形式实现全文目录。
- Three types of spatial indexes for assessing health risk, accessibility, and NIMBY potential were developed and applied to the EEFs in Taichung City. 本研究以台中市的环能设施为案例,发展三种类型的空间性指标:健康风险、易达性及邻避潜势指标。