211 search results - page 21 / 43 » The link prediction problem for social networks |
PROCEDIA
2010
13 years 6 months ago
2010
The dynamic and collaborative nature of mobile and sensor networks raises the issue of how connected mobile devices can be trusted. Despite the existing security paradigms such as...
IAT
2009
IEEE
14 years 2 months ago
2009
IEEE
Collaborative Filtering based on similarity suffers from a variety of problems such as sparsity and scalability. In this paper, we propose an ontological model of trust between us...
CN
2007
13 years 7 months ago
2007
We present a mechanism for auctioning bandwidth on a network-wide basis to end users or ISPs that will utilize it for the same time period. This mechanism consists of a set of sim...
WINE
2007
Springer
14 years 1 months ago
2007
Springer
We introduce the concept of a trust network—a decentralized payment infrastructure in which payments are routed as IOUs between trusted entities. The trust network has directed ...
INFOCOM
2011
IEEE
12 years 11 months ago
2011
IEEE
—This paper addresses the problem of identifying the top-k information hubs in a social network. Identifying topk information hubs is crucial for many applications such as advert...