1552 search results - page 238 / 311 » Efficient Aggregate Computation over Data Streams |
SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
The widespread distribution and availability of smallscale sensors, actuators, and embedded processors is transforming the physical world into a computing platform. One such examp...
SIGMOD
2007
ACM
14 years 11 months ago
2007
ACM
To compensate for the inherent impedance mismatch between the relational data model (tables of tuples) and XML (ordered, unranked trees), tree join algorithms have become the prev...
COLCOM
2007
IEEE
14 years 5 months ago
2007
IEEE
— Distributed sensor network protocols, such as routing, time synchronization or data aggregation protocols make use of collaborative techniques to minimize the consumption of sc...
SIGMOD
2010
ACM
13 years 6 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...
DIALM
2007
ACM
14 years 3 months ago
2007
ACM
Sketches--data structures for probabilistic, duplicate insensitive counting--are central building blocks of a number of recently proposed network protocols, for example in the con...