694 search results - page 125 / 139 » Analysis of a Location-Based Social Network |
CSUR
1999
13 years 8 months ago
1999
The Web can be naturally modeled as a directed graph, consisting of a set of abstract nodes (the pages) joined by directional edges (the hyperlinks). Hyperlinks encode a considerab...
CHI
2010
ACM
14 years 3 months ago
2010
ACM
The blogosphere is changing how people experience war and conflict. We conducted an analysis of 125 blogs written by Iraqi citizens experiencing extreme disruption in their countr...
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...
GIS
2009
ACM
14 years 3 months ago
2009
ACM
Volunteered geographic information such as that available in blogs, wikis, social networking sites, and community contributed photo collections is enabling new applications. This ...
SIGECOM
2009
ACM
14 years 3 months ago
2009
ACM
Policy teaching considers a Markov Decision Process setting in which an interested party aims to influence an agent’s decisions by providing limited incentives. In this paper, ...