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» The Usefulness of Hindsight
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FOCS
2000
IEEE
15 years 1 months ago
Efficient Algorithms for Universal Portfolios
A constant rebalanced portfolio is an investment strategy that keeps the same distribution of wealth among a set of stocks from day to day. There has been much work on Cover'...
Adam Kalai, Santosh Vempala
ICIS
2000
14 years 11 months ago
The politics of IS evaluation: a social shaping perspective
A considerable amount of research has already been conducted in the IT/IS evaluation arena, yet rewards remain elusive. This has been variously explained and in this paper we aim ...
Melanie Wilson, Debra Howcroft
CORR
2004
Springer
103views Education» more  CORR 2004»
14 years 9 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...
PODC
2009
ACM
15 years 10 months ago
Load balancing without regret in the bulletin board model
We analyze the performance of protocols for load balancing in distributed systems based on no-regret algorithms from online learning theory. These protocols treat load balancing a...
Éva Tardos, Georgios Piliouras, Robert D. K...
ASIACRYPT
2006
Springer
15 years 1 months ago
On the (In)security of Stream Ciphers Based on Arrays and Modular Addition
Abstract. Stream ciphers play an important role in symmetric cryptology because of their suitability in high speed applications where block ciphers fall short. A large number of fa...
Souradyuti Paul, Bart Preneel