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» Chronos: Feedback Control of a Real Database System Performa...
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PODS
1990
ACM
150views Database» more  PODS 1990»
13 years 11 months ago
On Being Optimistic about Real-Time Constraints
- Performancestudiesof concurrencycontrol algorithms for conventional database systems have shown that, under most operating circumstances, locking protocols outperform optimistic ...
Jayant R. Haritsa, Michael J. Carey, Miron Livny
TPDS
2008
202views more  TPDS 2008»
13 years 7 months ago
Control-Based Adaptive Middleware for Real-Time Image Transmission over Bandwidth-Constrained Networks
Real-time image transmission is crucial to an emerging class of distributed embedded systems operating in open network environments. Examples include avionics mission replanning ov...
Xiaorui Wang, Ming Chen, Huang-Ming Huang, Venkita...
ICRA
2005
IEEE
142views Robotics» more  ICRA 2005»
14 years 1 months ago
A Real-Time Haptic/Graphic Demonstration of how Error Augmentation can Enhance Learning
– We developed a real-time controller for a 2 degree-of-freedom robotic system using xPC Target. This system was used to investigate how different methods of performance error fe...
Yejun Wei, James L. Patton, Preeti Bajaj, Robert S...
ICDE
2007
IEEE
156views Database» more  ICDE 2007»
14 years 8 months ago
Using Control Theory for Load Shedding in Data Stream Management
Database performance can be greatly affected by environmental and internal dynamics such as workloads and system configurations. Existing strategies to maintain performance under ...
Yi-Cheng Tu, Song Liu, Sunil Prabhakar, Bin Yao, W...
VLDB
1991
ACM
185views Database» more  VLDB 1991»
13 years 11 months ago
Experimental Evaluation of Real-Time Optimistic Concurrency Control Schemes
Due to its potential for a high degree of parallelism, optimistic concurrency control is expected to perform better than two-phase locking when integrated with priority-driven CPU...
Jiandong Huang, John A. Stankovic, Krithi Ramamrit...