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SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
16 years 6 months ago
Constraint-Based XML Query Rewriting For Data Integration
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
Cong Yu, Lucian Popa
CCGRID
2005
IEEE
16 years 5 days ago
A batch scheduler with high level components
In this article we present the design choices and the evaluation of a batch scheduler for large clusters, named OAR. This batch scheduler is based upon an original design that emp...
Nicolas Capit, Georges Da Costa, Yiannis Georgiou,...
VLDB
2005
ACM
122views Database» more  VLDB 2005»
16 years 23 hour ago
C-Store: A Column-oriented DBMS
This paper presents the design of a read-optimized relational DBMS that contrasts sharply with most current systems, which are write-optimized. Among the many differences in its d...
Michael Stonebraker, Daniel J. Abadi, Adam Batkin,...
CLUSTER
2002
IEEE
15 years 11 months ago
Cluster Based Hybrid Hash Join: Analysis and Evaluation
The join is the most important, but also the most time consuming operation in relational database systems. We implemented the parallel Hybrid Hash Join algorithm on a PC-cluster a...
Erich Schikuta, Peter Kirkovits
DEXA
1998
Springer
97views Database» more  DEXA 1998»
15 years 10 months ago
Attribute-Pair Range Rules
This paper examines the properties of metadata in the form of IF THEN rules which contain two predicates on attributes of a relational database table. For example: a(15 .. 30) d(2...
Jerome Robinson, Barry G. T. Lowden