6004 search results - page 207 / 1201 » Parallelizing query optimization |
EUROPAR
2008
Springer
14 years 4 days ago
2008
Springer
Abstract. This paper proposes and presents a comparison of scheduling algorithms applied to the context of load balancing the query traffic on distributed inverted files. We put em...
SIGMOD
2006
ACM
14 years 10 months ago
2006
ACM
This paper presents a principled framework for efficient processing of ad-hoc top-k (ranking) aggregate queries, which provide the k groups with the highest aggregates as results....
SIGMOD
2005
ACM
14 years 10 months ago
2005
ACM
Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present Con...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
Given a set of n query points in a general metric space, a metricspace skyline (MSS) query asks what are the closest points to all these query points in the database. Here, consid...
ICDCS
2008
IEEE
14 years 4 months ago
2008
IEEE
We present a simple, yet powerful, approach for the specification and enforcement of authorizations regulating data release among data holders collaborating in a distributed comp...