Sciweavers

194 search results - page 19 / 39
» Computing Roundness is Easy if the Set is Almost Round
Sort
View
SODA
2008
ACM
106views Algorithms» more  SODA 2008»
13 years 9 months ago
Exact and efficient 2D-arrangements of arbitrary algebraic curves
We show how to compute the planar arrangement induced by segments of arbitrary algebraic curves with the Bentley-Ottmann sweep-line algorithm. The necessary geometric primitives r...
Arno Eigenwillig, Michael Kerber
CORR
2004
Springer
103views Education» more  CORR 2004»
13 years 7 months ago
Online convex optimization in the bandit setting: gradient descent without a gradient
We study a general online convex optimization problem. We have a convex set S and an unknown sequence of cost functions c1, c2, . . . , and in each period, we choose a feasible po...
Abraham Flaxman, Adam Tauman Kalai, H. Brendan McM...
MOBIHOC
2008
ACM
14 years 7 months ago
An O(log n) dominating set protocol for wireless ad-hoc networks under the physical interference model
Dealing with interference is one of the primary challenges to solve in the design of protocols for wireless ad-hoc networks. Most of the work in the literature assumes localized o...
Christian Scheideler, Andréa W. Richa, Paol...
ICC
2007
IEEE
124views Communications» more  ICC 2007»
14 years 1 months ago
Optimal Scheduling Policy Determination for High Speed Downlink Packet Access
— In this paper, we present an analytic model and methodology to determine optimal scheduling policy that involves two dimension space allocation: time and code, in High Speed Do...
Hussein Al-Zubaidy, Jerome Talim, Ioannis Lambadar...
CSIE
2009
IEEE
14 years 2 months ago
Improvement of BW Multi-party Contract Signing Protocol: Model and Formal Analysis
A multi-party contract signing (MPCS) protocol allows a set of parties to exchange messages with each other to arrive in a state in which either each of them has a pre-agreed cont...
Xiangdong Li, Qingxian Wang, Xiaoyan Jin