779 search results - page 72 / 156 » The convergence of social and technological networks |
CISS
2008
IEEE
14 years 3 months ago
2008
IEEE
— We consider dual subgradient methods for solving (nonsmooth) convex constrained optimization problems. Our focus is on generating approximate primal solutions with performance ...
WWW
2010
ACM
14 years 4 months ago
2010
ACM
Online reviews in which users publish detailed commentary about their experiences and opinions with products, services, or events are extremely valuable to users who rely on them ...
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
Today, a number of algorithms exist for constructing tag hierarchies from social tagging data. While these algorithms were designed with ontological goals in mind, we know very li...
WWW
2008
ACM
14 years 9 months ago
2008
ACM
The success and popularity of social network systems, such as del.icio.us, Facebook, MySpace, and YouTube, have generated many interesting and challenging problems to the research...
WWW
2009
ACM
14 years 9 months ago
2009
ACM
The "algorithmic small-world hypothesis" states that not only are pairs of individuals in a large social network connected by short paths, but that ordinary individuals ...