315 search results - page 12 / 63 » An Overview of Query Optimization in Relational Systems |
VLDB
1994
ACM
14 years 20 days 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...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
A lot of research has been conducted by the database community on methods and techniques for efficient XPath processing, with great success. Despite the progress made, significant...
ADBIS
2007
Springer
14 years 2 months ago
2007
Springer
The exponential growth of the web and the extended use of database management systems in widely distributed information systems has brought to the fore the need for seamless interc...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Managing uncertain data using probabilistic frameworks has attracted much interest lately in the database literature, and a central computational challenge is probabilistic infere...
ICDE
2009
IEEE
14 years 3 months ago
2009
IEEE
— Existing stream processing systems are optimized for a specific metric, which may limit their applicability to diverse applications and environments. This paper presents XFlow...