433 search results - page 71 / 87 » Querying and Maintaining Ordered XML Data using Relational D... |
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
ct The backbone of the XML data model, namely ordered, unranked trees, is inherently recursive and it is natural to equip the associated languages with constructs that can query su...
CIKM
2006
Springer
14 years 11 days ago
2006
Springer
The wide adoption of XML has increased the interest of the database community on tree-structured data management techniques. Querying capabilities are provided through tree-patter...
BMCBI
2010
13 years 8 months ago
2010
Background: Protein structure comparison is a fundamental task in structural biology. While the number of known protein structures has grown rapidly over the last decade, searchin...
VLDB
2001
ACM
14 years 1 months ago
2001
ACM
Estimating the number of distinct values is a wellstudied problem, due to its frequent occurrence in queries and its importance in selecting good query plans. Previous work has sh...
SIGMOD
1998
ACM
14 years 26 days ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...