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EDBT
2009
ACM
104views Database» more  EDBT 2009»
14 years 7 months ago
Fair, effective, efficient and differentiated scheduling in an enterprise data warehouse
A typical online Business Intelligence (BI) workload consists of a combination of short, less intensive queries, along with long, resource intensive queries. As such, the longest ...
Chetan Gupta, Abhay Mehta, Song Wang, Umeshwar Day...
ICDE
2009
IEEE
157views Database» more  ICDE 2009»
14 years 7 months ago
Query Rewrites with Views for XML in DB2
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
Parke Godfrey, Jarek Gryz, Andrzej Hoppe, Wenbin M...
SEBD
2007
148views Database» more  SEBD 2007»
14 years 11 months ago
Containment of Conjunctive Object Meta-Queries
We consider the problem of query containment over an object data model derived from F-logic. F-logic has generated considerable interest commercially, in the academia, and within ...
Andrea Calì, Michael Kifer
SIGMOD
2009
ACM
120views Database» more  SIGMOD 2009»
15 years 9 months ago
Query interactions in database workloads
Database workloads consist of mixes of queries that run concurrently and interact with each other. In this paper, we demonstrate that query interactions can have a significant imp...
Mumtaz Ahmad, Ashraf Aboulnaga, Shivnath Babu
ICDT
2003
ACM
91views Database» more  ICDT 2003»
15 years 2 months ago
Reformulation of XML Queries and Constraints
We state and solve the query reformulation problem for XML publishing in a general setting that allows mixed (XML and relational) storage for the proprietary data and exploits redu...
Alin Deutsch, Val Tannen