725 search results - page 6 / 145 » Approximate Join Processing Over Data Streams |
ICDE
2003
IEEE
14 years 10 months ago
2003
IEEE
We investigate algorithms for evaluating moving window joins over pairs of unbounded streams. We introduce a unit-time-basis cost model to analyze the expected performance of thes...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
Dynamic plan migration is concerned with the on-the-fly transition from one continuous query plan to a semantically equivalent yet more efficient plan. Migration is important for ...
CIKM
2006
Springer
14 years 10 days ago
2006
Springer
In an uncertain database, each data item is modeled as a range associated with a probability density function. Previous works for this kind of data have focussed on simple queries...
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
Uncertain data streams, where data is incomplete, imprecise, and even misleading, have been observed in many environments. Feeding such data streams to existing stream systems pro...
CIKM
2003
Springer
14 years 1 months ago
2003
Springer
Currently, stream data processing is an active area of research, which includes everything from algorithms and architectures for stream processing to modelling and analysis of var...