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SASN
2005
ACM
15 years 3 months ago
2005
ACM
Group communication has become an important component in wireless networks. In this paper, we focus on the environments in which multiple groups coexist in the system, and both in...
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
We present a model, based on the maximum entropy method, for analyzing various measures of retrieval performance such as average precision, R-precision, and precision-at-cutoffs....
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
The current boom of the Web is associated with the revenues originated from on-line advertising. While search-based advertising is dominant, the association of ads with a Web page...
SOUPS
2005
ACM
15 years 3 months ago
2005
ACM
In this article, we describe the design process of Reno, a location-enhanced, mobile coordination tool and person finder. The design process included three field experiments: a ...
WPES
2005
ACM
15 years 3 months ago
2005
ACM
This paper examines a generalization of a two-stage game common on eBay: an ascending-price auction followed by price discrimination (the second chance offer). High bids in the a...