591 search results - page 21 / 119 » The complexity of XPath query evaluation |
DSL
2009
13 years 6 months ago
2009
Traversals of heterogeneous object structures are the most common operations in schema-first applications where the three key issues are (1) separation of traversal specifications ...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
The ability to compute top-k matches to XML queries is gaining importance due to the increasing number of large XML repositories. The efficiency of top-k query evaluation relies o...
DBKDA
2010
IEEE
14 years 1 months ago
2010
IEEE
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
IDEAS
2008
IEEE
14 years 3 months ago
2008
IEEE
1 We propose a new framework for the summarization of XML document properties called EXsum (Element-wise XML summarization), which can capture statistical information of all import...