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XSYM
2004
Springer
129views Database» more  XSYM 2004»
14 years 1 months ago
Fractional XSketch Synopses for XML Databases
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
Natasha Drukh, Neoklis Polyzotis, Minos N. Garofal...
FUN
2010
Springer
293views Algorithms» more  FUN 2010»
14 years 20 days ago
Computational Complexity of Two-Dimensional Platform Games
Abstract. We analyze the computational complexity of various twodimensional platform games. We identify common properties of these games that allow us to state several meta-theorem...
Michal Forisek
CORR
2010
Springer
171views Education» more  CORR 2010»
13 years 2 months ago
Online Learning in Opportunistic Spectrum Access: A Restless Bandit Approach
We consider an opportunistic spectrum access (OSA) problem where the time-varying condition of each channel (e.g., as a result of random fading or certain primary users' activ...
Cem Tekin, Mingyan Liu
CVPR
2004
IEEE
14 years 10 months ago
Atlanta World: An Expectation Maximization Framework for Simultaneous Low-Level Edge Grouping and Camera Calibration in Complex
Edges in man-made environments, grouped according to vanishing point directions, provide single-view constraints that have been exploited before as a precursor to both scene under...
Grant Schindler, Frank Dellaert
ISQED
2009
IEEE
133views Hardware» more  ISQED 2009»
14 years 2 months ago
A novel ACO-based pattern generation for peak power estimation in VLSI circuits
Estimation of maximal power consumption is an essential task in VLSI circuit realizations since power value significantly affects the reliability of the circuits. The key issue o...
Yi-Ling Liu, Chun-Yao Wang, Yung-Chih Chen, Ya-Hsi...