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INFOCOM
2008
IEEE
14 years 3 months ago
Utility-Driven Spatiotemporal Sampling Using Mobile Sensors
Many real-world applications for sensor networks require event sampling with sufficient resolution over both spatial and temporal dimensions. When the deployed nodes are insuffi...
Yang Yu, Loren J. Rittle
ICS
2010
Tsinghua U.
14 years 6 months ago
Market Equilibrium under Separable, Piecewise-Linear, Concave Utilities
We consider Fisher and Arrow-Debreu markets under additively-separable, piecewise-linear, concave utility functions, and obtain the following results: ? For both market models, if...
Vijay V. Vazirani, Mihalis Yannakakis
FOCS
2009
IEEE
14 years 4 months ago
Settling the Complexity of Arrow-Debreu Equilibria in Markets with Additively Separable Utilities
We prove that the problem of computing an Arrow-Debreu market equilibrium is PPAD-complete even when all traders use additively separable, piecewise-linear and concave utility fun...
Xi Chen, Decheng Dai, Ye Du, Shang-Hua Teng
QOFIS
2001
Springer
14 years 1 months ago
On the Utility of FEC Mechanisms for Audio Applications
FEC mechanisms have been proposed to recover from packet losses, and hence to improve the perceived quality in audio applications. Recently, it has been shown in [1] that the redun...
Eitan Altman, Chadi Barakat, Víctor M. Ramo...
PRL
2010
205views more  PRL 2010»
13 years 4 months ago
Mining outliers with faster cutoff update and space utilization
It is desirable to find unusual data objects by Ramaswamy et al's distance-based outlier definition because only a metric distance function between two objects is required. It...
Chi-Cheong Szeto, Edward Hung