19 search results - page 1 / 4 » Performing Group-By before Join |
ICDE
1994
IEEE
13 years 8 months ago
1994
IEEE
ICDE
2004
IEEE
14 years 6 months ago
2004
IEEE
We describe and evaluate a query minimization technique that applies to XQueries, which are nested, perform arbitrary joins, and freely mix bag and set semantics. These features c...
VLDB
1994
ACM
13 years 8 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
ICDE
2009
IEEE
14 years 6 months ago
2009
IEEE
Abstract-- Similarity join is a useful primitive operation underlying many applications, such as near duplicate Web page detection, data integration, and pattern recognition. Tradi...
TPCTC
2010
Springer
12 years 11 months ago
2010
Springer
Abstract. Event Processing (EP) systems are being progressively used in business critical applications in domains such as algorithmic trading, supply chain management, production m...