20778 search results - page 3932 / 4156 » Algorithms for Data Migration |
243
click to vote
SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
While traditional database systems optimize for performance on one-shot queries, emerging large-scale monitoring applications require continuous tracking of complex aggregates and...
143
click to vote
PODS
2008
ACM
16 years 4 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
137
Voted
ICDE
2010
IEEE
16 years 3 months ago
2010
IEEE
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...
151
Voted
ICDE
2010
IEEE
16 years 3 months ago
2010
IEEE
Many online or local data sources provide powerful querying mechanisms but limited ranking capabilities. For instance, PubMed allows users to submit highly expressive Boolean keywo...
150
Voted
MOBIHOC
2005
ACM
16 years 3 months ago
2005
ACM
: In this paper, we analyze the node scheduling approach of topology control in the context of reliable packet delivery. In node scheduling, only a minimum set of nodes needed for ...