Sciweavers

2747 search results - page 236 / 550
» Non-oblivious Strategy Improvement
Sort
View
STACS
2004
Springer
15 years 12 months ago
A Lower Bound on the Competitive Ratio of Truthful Auctions
We study a class of single-round, sealed-bid auctions for a set of identical items. We adopt the worst case competitive framework defined by [1,2] that compares the profit of an ...
Andrew V. Goldberg, Jason D. Hartline, Anna R. Kar...
WWIC
2004
Springer
143views Communications» more  WWIC 2004»
15 years 12 months ago
CGGC: Cached Greedy Geocast
Abstract. With cached greedy geocast, we propose an enhanced forwarding scheme for geocast especially in highly mobile ad hoc networks. We will show, that a cache for presently unf...
Christian Maihöfer, Reinhold Eberhardt, Elmar...
AMFG
2003
IEEE
113views Biometrics» more  AMFG 2003»
15 years 12 months ago
Sequential Monte Carlo Tracking of Body Parameters in a Sub-Space
In recent years Sequential Monte Carlo (SMC) methods have been applied to handle some of the problems inherent to model-based tracking. In this paper two issues regarding SMC are ...
Thomas B. Moeslund, Erik Granum
IDEAS
2003
IEEE
91views Database» more  IDEAS 2003»
15 years 12 months ago
Implementation Issues of a Deterministic Transformation System for Structured Document Query Optimization
As the popularity of XML keeps growing rapidly, XML compliant structured document management becomes an interesting and compelling research area. Query optimization for structured...
Dunren Che
ISCAS
2003
IEEE
162views Hardware» more  ISCAS 2003»
15 years 12 months ago
Content based error detection and concealment for image transmission over wireless channel
In this paper, we present a novel content-based image error detection and error concealment algorithm to improve the image quality degraded during its transmission over wireless c...
Shuiming Ye, Xinggang Lin, Qibin Sun