1656 search results - page 298 / 332 » Social Hierarchical Learning |
KDD
2007
ACM
14 years 9 months ago
2007
ACM
In analyzing data from social and communication networks, we encounter the problem of classifying objects where there is an explicit link structure amongst the objects. We study t...
CHI
2005
ACM
14 years 9 months ago
2005
ACM
Visualization techniques have proven to be critical in helping crime analysis. By interviewing and observing Criminal Intelligence Officers (CIO) and civilian crime analysts at th...
WWW
2010
ACM
14 years 3 months ago
2010
ACM
We propose a novel method, based on concepts from expander graphs, to sample communities in networks. We show that our sampling method, unlike previous techniques, produces subgra...
CHI
2010
ACM
14 years 3 months ago
2010
ACM
Users have a strong tendency toward dismissing security dialogs unthinkingly. Prior research has shown that users' responses to security dialogs become significantly more tho...
SAC
2010
ACM
14 years 3 months ago
2010
ACM
CAPTCHAs protect online resources and services from automated access. From an attacker’s point of view, they are typically perceived as an annoyance that prevents the mass creat...