721 search results - page 12 / 145 » Layered Index Structures in Document Database Systems |
EDBT
2004
ACM
15 years 11 months ago
2004
ACM
In this paper we present HOPI, a new connection index for XML documents based on the concept of the 2?hop cover of a directed graph introduced by Cohen et al. In contrast to most o...
WWW
2008
ACM
16 years 9 days ago
2008
ACM
In this poster, we present the P2P XML data localization layer of XLive, an XQuery mediation system developed at University of Versailles [2]. A major challenge in the evaluation ...
EDBT
2006
ACM
15 years 11 months ago
2006
ACM
Abstract. Modern document collections often contain groups of documents with overlapping or shared content. However, most information retrieval systems process each document separa...
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ADC
2000
Springer
15 years 4 months ago
2000
Springer
While the B-tree (or the B+ -tree) is the most popular index structure in disk-based relational database systems, the Ttree has been widely accepted as a promising index structure...
CIKM
2007
Springer
15 years 5 months ago
2007
Springer
Modern web search engines are expected to return top-k results efficiently given a query. Although many dynamic index pruning strategies have been proposed for efficient top-k com...