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» Performance evaluation of a firm real-time database system
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SIGMOD
2007
ACM
176views Database» more  SIGMOD 2007»
16 years 6 months ago
URank: formulation and efficient evaluation of top-k queries in uncertain databases
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between query scores and data uncertainty ma...
Mohamed A. Soliman, Ihab F. Ilyas, Kevin Chen-Chua...
SIGMOD
2010
ACM
312views Database» more  SIGMOD 2010»
15 years 10 months ago
TwitterMonitor: trend detection over the twitter stream
We present TwitterMonitor, a system that performs trend detection over the Twitter stream. The system identifies emerging topics (i.e. ‘trends’) on Twitter in real time and p...
Michael Mathioudakis, Nick Koudas
VLDB
2005
ACM
121views Database» more  VLDB 2005»
15 years 11 months ago
Improving Database Performance on Simultaneous Multithreading Processors
Simultaneous multithreading (SMT) allows multiple threads to supply instructions to the instruction pipeline of a superscalar processor. Because threads share processor resources,...
Jingren Zhou, John Cieslewicz, Kenneth A. Ross, Mi...
IPPS
1994
IEEE
15 years 10 months ago
Parallel Evaluation of a Parallel Architecture by Means of Calibrated Emulation
A parallel transputer-based emulator has been developed to evaluate the DDM--ahighlyparallel virtual shared memory architecture. The emulator provides performance results of a har...
Henk L. Muller, Paul W. A. Stallard, David H. D. W...
SIGMOD
2011
ACM
202views Database» more  SIGMOD 2011»
14 years 8 months ago
Sensitivity analysis and explanations for robust query evaluation in probabilistic databases
Probabilistic database systems have successfully established themselves as a tool for managing uncertain data. However, much of the research in this area has focused on efficient...
Bhargav Kanagal, Jian Li, Amol Deshpande