1179 search results - page 151 / 236 » Relational-style XML query |
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
WWW
2006
ACM
14 years 10 months ago
2006
ACM
Structural summaries are data structures that preserve all structural features of XML documents in a compact form. We investigate the applicability of the most popular summaries a...
ICDE
2006
IEEE
14 years 11 months ago
2006
IEEE
We tackle the difficult problem of summarizing the path/branching structure and value content of an XML database that comprises both numeric and textual values. We introduce a nov...
ADBIS
2005
Springer
14 years 3 months ago
2005
Springer
A key observation is that the invariants in database management determine the mapping steps of the supporting architecture. Referring to the multi-layered architecture of record-or...
ICDT
2003
ACM
14 years 3 months ago
2003
ACM
Interest in XML databases has been growing over the last few years. In this paper, we study the problem of incorporating probabilistic information into XML databases. We propose th...