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VLDB
2004
ACM
102views Database» more  VLDB 2004»
14 years 28 days ago
PIVOT and UNPIVOT: Optimization and Execution Strategies in an RDBMS
PIVOT and UNPIVOT, two operators on tabular data that exchange rows and columns, enable data transformations useful in data modeling, data analysis, and data presentation. They ca...
Conor Cunningham, Goetz Graefe, César A. Ga...
EPEW
2010
Springer
13 years 7 months ago
Accurate Performance Estimation for Stochastic Marked Graphs by Bottleneck Regrowing
Abstract. The adequate system performance is usually a critical requirement to be checked during the verification phase of a system. Thus, accurately measuring the performance of c...
Ricardo J. Rodríguez, Jorge Júlvez
IUI
2010
ACM
14 years 4 months ago
Haptic augmented reality dental trainer with automatic performance assessment
We developed an augmented reality (AR) dental training simulator utilizing a haptic (force feedback) device. A number of dental procedures such as crown preparation and opening ac...
Phattanapon Rhienmora, Kugamoorthy Gajananan, Pete...
ICCD
2007
IEEE
140views Hardware» more  ICCD 2007»
13 years 11 months ago
Continual hashing for efficient fine-grain state inconsistency detection
Transaction-level modeling (TLM) allows a designer to save functional verification effort during the modular refinement of an SoC by reusing the prior implementation of a module a...
Jae W. Lee, Myron King, Krste Asanovic
HPCA
1998
IEEE
13 years 12 months ago
Performance Study of a Concurrent Multithreaded Processor
The performance of a concurrent multithreaded architectural model, called superthreading 15 , is studied in this paper. It tries to integrate optimizing compilation techniques and...
Jenn-Yuan Tsai, Zhenzhen Jiang, Eric Ness, Pen-Chu...