2063 search results - page 18 / 413 » Containment of Aggregate Queries |
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
Existing SQL aggregate functions present important limitations to compute percentages. This article proposes two SQL aggregate functions to compute percentages addressing such lim...
KAIS
2007
13 years 9 months ago
2007
SBBD
2007
13 years 11 months ago
2007
The optimization of similarity queries using metric access methods has been widely discussed in the last decades. Similarity queries consider one object as the query center, and re...
DKE
2007
13 years 9 months ago
2007
XPath is the standard language for addressing parts of an XML document. We present a sound and complete decision procedure for containment of XPath queries. The considered XPath f...
EUC
2006
Springer
14 years 1 months ago
2006
Springer
In most wireless sensor networks, applications submit their requests as queries and wireless sensor network transmits the requested data to the applications. However, most existing...