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Prefix entries are written to the index block only if the index block does not already contain a prefix entry whose value is equal to the present prefix entry.

应用键压缩后,生成索引时,如果一个键值的前缀在索引块中不存在,此前缀才会被写入索引块中。

Then, the index corresponding to the closest codevector is transmitted to the decoder. Due to the spatial correlation of an image block, the VQ index for a block is highly related to those of its adjacent blocks. If we can remove the kind of redundancy, the bitrate required for coding the VQ indexes can be reduced.

由於影像方块间具有空间相关联性,因此每个方块的索引值与其邻近四周方块的索引值间存在极高的相关联性,假如我们能移除这些关联性累赘,则编码向量量化索引值所需的位元率将可大为减少。

Keyword index is a data structure that allows us to search in constant time for documents containing specified keywords. Unfortunately, standard index constructions are not designed for encrypted documents, because they may leak some information about the document. In this thesis, we propose two index structures called PRP-Index and P-Index which are designed for encrypted documents.

中文摘要关键字索引搜寻为一种加速文件关键字搜寻的一种架构,但是随著文件的安全性越来越受到重视,文件开始以加密的型态储存於资料库,但是目前的索引架构并没有针对加密文件作考量,也因此索引有可能会透露出文件的相关资讯,造成安全上的问题。

In this paper, we mostly focused on kernel analyzers which based on the maximum matching word segmentation algorithm for the realization of real-time indexer indexing and distributed indexing and search engine based on the realization of XML query the realization of the target configuration.

本文在各个模块的具体实现过程中,重点阐述了分析器内核中的基于最大正向匹配法的分词算法的实现、索引器的实时索引和分布式索引的实现以及搜索器基于 XML 的查询对象配置的实现。

For example: Oracle may choose an index fast full scan instead of an index range scan because the compressed index is now much smaller, and your setting for parameter db_file_multiblock_read_count is large; or Oracle may choose to use an index and do a nested loop because the index is now 30% smaller, where previously it was doing a table scan and hash join.

由于压缩索引现在更小了,对参数db_file_multiblock_read_count也较大,那么Oracle可能选择一个index fast full scan而不是index range scan;或者由于索引减小了30%,Oracle选择使用一个索引和nested loop,而之前它用表扫描和hash join。

First, the method of establishing TW-index is introduced in detail. Then the window query based on the TW-index is expounded. Second, the methods and procedures of establishing TW-index and window query during appending data dynamically are presented.

本文对TW-索引的建立过程作了详细地介绍,并对基于TW-索引的窗口查询作了阐述;同时,讨论了当数据处于动态更新时TW-索引的建立及查询方法。

To avoid a common pitfall, always keep in mind that arrays (and all other LabVIEW structures) are zero indexedthe first element has an index of zero, the second has an index of one, and so on.

为了避免惯常的错误,始终记住在数组中(以及其他LabVIEW中的任何结构)都是从0开始索引的,第一个元素的索引值为0,第二个元素索引为1,以此类推。

Based on Oracle, TOS in place with Minimum Bounding Rectangle were stored and become attribute that the surface feature is collected by way of its Spatial in the paper. For adopting R-Tree that Oracle Spatial offers and set up the index and collect index on the space position to the TOS, this kind of method is simpler in design, and its index result is belter.

基于Oracle,本文将地物集的包络矩形以其Spatial的方式存储成为地物集的属性,并采用Oracle Spatial提供的R树索引对地物集进行空间位置上的索引,这种方法设计比较简单,并且其索引效果也比较好。

Based on fractal coding the index file have two characters: First, similar images have similar iterative function so as to produce similar index file, and the similar index file can retrieval the similar image; Second, unsimilar images have unsimilar iterative function, vice versa.

这个分形编码方法建立的索引文件具有三个性质:(1)相似图像有相似分形函数能产生相似索引文件,相似索引文件能检索到相似图像;(2)不相似图像有不相似分形函数,反之亦然。

The spatial data index betakes the spatial data structure based on the improved R-Tree structure, and the property index uses the B+ tree data structure.

空间数据索引采用基于改进R-Tree的空间数据索引结构,属性数据索引采用B~+树数据结构。

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随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

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关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。