212 search results - page 2 / 43 » Competitive Online Approximation of the Optimal Search Ratio |
WINE
2009
Springer
13 years 11 months ago
2009
Springer
We improve the best known competitive ratio (from 1/4 to 1/2), for the online multi-unit allocation problem, where the objective is to maximize the single-price revenue. Moreover, ...
STOC
2003
ACM
14 years 5 months ago
2003
ACM
We describe a general technique for converting an online algorithm B to a truthtelling mechanism. We require that the original online competitive algorithm has certain "nicen...
SWAT
1994
Springer
13 years 9 months ago
1994
Springer
We present improved competitive on-line algorithms for the page replication problem and concentrate on important network topologies for which algorithms with a constant competitiv...
JCO
2006
13 years 5 months ago
2006
The relative worst order ratio is a measure for the quality of online algorithms. Unlike the competitive ratio, it compares algorithms directly without involving an optimal offline...
SIGECOM
2009
ACM
13 years 11 months ago
2009
ACM
We study online pricing problems in markets with cancellations, i.e., markets in which prior allocation decisions can be revoked, but at a cost. In our model, a seller receives re...