http://www.blogninja.com/vsw-draft-paolillo-wright-foaf.pdf

Social Network Analysis on the Semantic Web:
Techniques and Challenges for Visualizing FOAF
John C. Paolillo and Elijah Wright
14.1 Introduction
The Semantic Web promises to provide new applications for Internet users through the
use of RDF metadata attached to various information resources on the web. Yet is
somewhat unclear who will provide the metadata, or what will motivate people to provide
it, let alone the exact nature of the applications the Semantic Web will ultimately support.
What will the ?killer app