29 search results - page 5 / 6 » Querying DAG-shaped Execution Traces Through Views |
EDBT
2008
ACM
14 years 6 months ago
2008
ACM
Enterprises may have multiple database systems spread across the organization for redundancy or for serving different applications. In such systems, query workloads can be distrib...
SSDBM
1998
IEEE
13 years 10 months ago
1998
IEEE
In several working environments, production involves repeated executions of certain procedures. A workflow describes the individual tasks performed in these procedures and their i...
VLDB
2005
ACM
13 years 11 months ago
2005
ACM
“W3QL: A Query Language for the WWW”, published in 1995, presented a language with several distinctive features. Employing existing indexes as access paths, it allowed the sel...
SIGMOD
2009
ACM
14 years 1 months ago
2009
ACM
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...
ATAL
2007
Springer
14 years 14 days ago
2007
Springer
In this paper we consider the problem of managing and exploiting schedules in an uncertain and distributed environment. We assume a team of collaborative agents, each responsible ...