348 search results - page 12 / 70 » An Efficient Index Lattice for XML Query Evaluation |
EDBT
2004
ACM
14 years 7 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...
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
Various index structures have been proposed to speed up the evaluation of XML path expressions. However, existing XML path indices suffer from at least one of three limitations: ...
WAIM
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. The heterogeneity nature of XML data creates the need for approximate query answering. In this paper, we present an XML system that cooperates with users to provide user-...
BDA
2004
13 years 9 months ago
2004
XQuery is the emerging standard for querying XML data sources. XLive is a light XML/XQuery mediator developed at University of Versailles whose engine processes an XML algebra der...
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
Abstract. Recent studies have proposed structural summary techniques for pathquery evaluation on semi-structured data sources. One major line of this research