This mechanism of video index is based on invert index , which is similar to the one used in traditional document retrieval . 4 该结构与文档中倒排序方法相结合,提出了一种基于mpeg - 7标准的倒排索引机制及其索引建立算法。
4 ) we study the keyword search for xml in relational databases , present two new inverted list indexes : extended inverted index based on containment relationship and inverted index based on schema 4 )提出了两种新的倒排索引技术,该倒排索引技术可应用于xml文档的摘要检索。
To maximize the efficiency of lookups , only a subset of the tokens in each row in the table is indexed in the inverted index structure that the fuzzy lookup transformation uses to locate matches 若要最大程度提高查找效率,请以模糊查找转换查找匹配项时所用的倒排索引结构仅对表内每行中的一个令牌子集建立索引。
Experiments indicate that the inverted index based on schema gets the best trade - off between space cost and query efficiency . this result is useful for the design of future search engine for xml 实验结果表明本文提出的两种倒排索引的空间开销得到了显著改善,其中基于模式的倒排索引获得了最好的存储空间与查询效率的权衡。
A mechanism of video indexing as well as its setting up algorithm based on inverted index : in this algorithm , the author designs an efficient index structure that can better contain features of media data contents 提出一种基于倒排索引的视频索引机制及其索引建立算法:根据上面的描述结果,设计了一种基于倒排索引的视频索引机制及其索引建立算法。