Sciweavers

99 search results - page 12 / 20
» Frequency Operators for Condensative Queries over Data Strea...
Sort
View
122
Voted
TKDE
2008
169views more  TKDE 2008»
14 years 11 months ago
A Cost-Based Approach to Adaptive Resource Management in Data Stream Systems
Data stream management systems need to control their resources adaptively since stream characteristics and query workload may vary over time. In this paper we investigate an approa...
Michael Cammert, Jürgen Krämer, Bernhard...
SIGMOD
2011
ACM
176views Database» more  SIGMOD 2011»
14 years 2 months ago
Sharing work in keyword search over databases
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
Marie Jacob, Zachary G. Ives
ICDE
2008
IEEE
139views Database» more  ICDE 2008»
16 years 1 months ago
Simultaneous Equation Systems for Query Processing on Continuous-Time Data Streams
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
Jennie Rogers, Olga Papaemmanouil, Ugur Çet...
PODS
2006
ACM
217views Database» more  PODS 2006»
15 years 11 months ago
A simpler and more efficient deterministic scheme for finding frequent items over sliding windows
In this paper, we give a simple scheme for identifying approximate frequent items over a sliding window of size n. Our scheme is deterministic and does not make any assumption on ...
Lap-Kei Lee, H. F. Ting
CIKM
2006
Springer
15 years 3 months ago
Maximizing the sustained throughput of distributed continuous queries
Monitoring systems today often involve continuous queries over streaming data, in a distributed collaborative system. The distribution of query operators over a network of process...
Ioana Stanoi, George A. Mihaila, Themis Palpanas, ...