721 search results - page 47 / 145 » Supporting top-k join queries in relational databases |
SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
StreaMon is the adaptive query processing engine of the STREAM prototype Data Stream Management System (DSMS) [4]. A fundamental challenge in many DSMS applications (e.g., network...
VLDB
1994
ACM
15 years 1 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...
EDBT
2009
ACM
15 years 4 months ago
2009
ACM
Annotations play a key role in understanding and curating databases. Annotations may represent comments, descriptions, lineage information, among several others. Annotation manage...
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
VLDB
2002
ACM
14 years 9 months ago
2002
ACM
An increasing number of applications use XML data published from relational databases. For speed and convenience, such applications routinely cache this XML data locally and acces...