267 search results - page 20 / 54 » On the approximability of influence in social networks |
INFOCOM
2012
IEEE
11 years 11 months ago
2012
IEEE
—In this paper, we tackle the spectrum allocation problem in cognitive radio (CR) networks with time-frequency flexibility consideration using combinatorial auction. Different f...
KDD
2009
ACM
14 years 9 months ago
2009
ACM
Various online social networks (OSNs) have been developed rapidly on the Internet. Researchers have analyzed different properties of such OSNs, mainly focusing on the formation an...
CHI
2006
ACM
14 years 9 months ago
2006
ACM
Recommender systems have been developed to address the abundance of choice we face in taste domains (films, music, restaurants) when shopping or going out. However, consumers curr...
PAKDD
2010
ACM
14 years 1 months ago
2010
ACM
In this work, we investigate the use of online or “crawling” algorithms to sample large social networks in order to determine the most influential or important individuals wit...
APVIS
2006
13 years 10 months ago
2006
Although overcrowded and the depopulation of the population are one of the social issues in Japan, the complex mechanisms are not comprehended. Then, we tried to show this phenome...