416 search results - page 56 / 84 » The dynamics of viral marketing |
SIGECOM
2008
ACM
13 years 7 months ago
2008
ACM
We examine a model in which multiple buyers with single-unit demand are faced with an infinite sequence of auctions. New buyers arrive on the market probabilistically, and are each...
SIAMCO
2002
13 years 7 months ago
2002
We consider a market model with one riskfree and one risky asset, in which the dynamics of the risky asset is governed by a geometric Brownian motion. In this market we consider a...
USS
2010
13 years 5 months ago
2010
Reverse Turing tests, or CAPTCHAs, have become an ubiquitous defense used to protect open Web resources from being exploited at scale. An effective CAPTCHA resists existing mechan...
TSMC
2010
13 years 2 months ago
2010
Abstract--Since Grid computing systems involve large-scale resource sharing, resource management is central to their operations. Whereas there are more Grid resource management sys...
ACSAC
2001
IEEE
13 years 11 months ago
2001
IEEE
In most of the current authorization frameworks in application systems, the authorization for a user operation is determined using a static database like ACL entries or system tab...