4 patel m , chen y , chakka v . stripes : an efficient index for predicted trajectories . in proc 此外,用于可预测索引结构中的线性模型很难反映道路网络上车辆的真实运动。
The index structure of an object - relational database must be extensible because its type system is 对象关系数据库中的数据类型是可扩展的,与此相关的索引结构也应当能够扩展。
9 lakshmanan l v s , pei jian , zhao yan . qc - trees : an efficientsummary structure for semantic olap . in 我们今后的工作是将qc - tree的索引结构用于semi - closed cube ,进一步提高其查询性能。
R - tree primarily indexes on point and polygon objects . bucketfile only indexes on line objects 基于r树的空间索引结构主要对点对象和面对象进行索引; bucketfile空间索引结构主要对线对象进行索引。
The typical design problem was captured , and the model of procedural knowledge retrieve and the index framework was proposed 在这个索引结构模型的规范下,进一步讨论了程序型知识检索在系统中的实现方式。
This index is based on suffix tree , and is divided into some layers . a layer usually includes some child suffix trees 分层索引结构是基于后缀树的,它由若干层组成,通常情况下,每一层又包括若干棵子后缀树。
In the chapter of web crawler , the paper expounds several crawling strategies based on auto - analyzing and method of html tree - like 索引引擎的主要工作原理是对网络爬虫提供的网页的详细信息建立倒排索引结构。
A table is contained in one or more partitions and each partition contains data rows in either a heap or a clustered index structure 表包含在一个或多个分区中,每个分区在一个堆或一个聚集索引结构包含数据行。
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。
Based on v - reactive index tree and perspective query , we propose a mechanism of integrating lod and generalization at multi - scale 以v - reactive树索引结构和透视查询为基础,本文提出了一种细节层次技术和多比例尺综合技术的集成实现机制。