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SIGMOD
2001
ACM
158views Database» more  SIGMOD 2001»
16 years 6 months ago
Generating Efficient Plans for Queries Using Views
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
Foto N. Afrati, Chen Li, Jeffrey D. Ullman
GLOBECOM
2007
IEEE
16 years 1 months ago
A New Stochastic Admission Control Scheme for Wireless Networks
— In traditional call admission control (CAC) schemes, mobile users are always the passive roles during the admission procedures and the base station determines whether to admit o...
Xinbing Wang, Chen Zhuo, Youyun Xu, Ruhai Wang
HICSS
2007
IEEE
125views Biometrics» more  HICSS 2007»
16 years 1 months ago
Stochastic Model for Power Grid Dynamics
We introduce a stochastic model that describes the quasistatic dynamics of an electric transmission network under perturbations introduced by random load fluctuations, random rem...
Marian Anghel, Kenneth A. Werley, Adilson E. Motte...
INFOCOM
2006
IEEE
16 years 24 days ago
Flow Control Over Wireless Network and Application Layer Implementation
— Flow control, including congestion control for data transmission, and rate control for multimedia streaming, is an important issue in information transmission in both wireline ...
Minghua Chen, Avideh Zakhor
FOCS
2005
IEEE
16 years 11 days ago
How to Pay, Come What May: Approximation Algorithms for Demand-Robust Covering Problems
Robust optimization has traditionally focused on uncertainty in data and costs in optimization problems to formulate models whose solutions will be optimal in the worstcase among ...
Kedar Dhamdhere, Vineet Goyal, R. Ravi, Mohit Sing...