2223 search results - page 119 / 445 » Query Optimization in an OODBMS |
220
Voted
SIGMOD
2006
ACM
16 years 3 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....
229
Voted
SIGMOD
2005
ACM
16 years 3 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...
157
Voted
EDBT
2009
ACM
15 years 7 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...
128
Voted
PVLDB
2010
14 years 10 months ago
2010
Database evolution is the process of updating the schema of a database or data warehouse (schema evolution) and evolving the data to the updated schema (data evolution). Database ...
144
Voted
PAM
2012
Springer
13 years 11 months ago
2012
Springer
Network administrators are faced with the increasingly challenging task of monitoring their network’s health in real time, drawing upon diverse and voluminous measurement data fe...