777 search results - page 136 / 156 » Optimization of Relational Preference Queries |
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
This paper addresses issues related to containment join processing in tree-structured data such as XML documents. A containment join takes two sets of XML node elements as input a...
ICDE
1997
IEEE
14 years 9 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
We make two main contributions in this paper. First, we motivate and introduce a novel class of data mining problems that arise in labeling a group of mass spectra, specifically f...
DASFAA
2010
IEEE
14 years 2 months ago
2010
IEEE
Scalable execution of continuous queries over massive data streams often requires splitting input streams into parallel sub-streams over which query operators are executed in paral...
ICICS
2007
Springer
13 years 11 months ago
2007
Springer
Authentication is increasingly relevant to data management. Data is being outsourced to untrusted servers and clients want to securely update and query their data. For example, in ...