We present a framework for analyzing privacy and anonymity in social networks and develop a new re-identification algorithm targeting anonymized social-network graphs.

(tags: graph algorithm paper analysis social-networks identity anonymous)

nat-traverse establishes connections between nodes which are behind NAT gateways, i.e. hosts which do not have public IP addresses.

(tags: network perl p2p security linux networking firewall nat udp)

These are shell incantations for transcoding video with ffmpeg, especially for the ipod or iphone. ffmpeg is one of several free open source video editing programs you can use. These recipes are here partly to make it easier for other people to find them, and partly for me to find them again.

(tags: video iphone transcoding ffmpeg encoding codec audio mencoder)

The goal is to make cloud computing less mysterious by helping people through the process of setting up a server on Amazon EC2. The title derives from a class that was offered at the University of Wisconsin, when I was a grad student there, called Computer Science for Poets.

(tags: tutorial cloudcomputing cloudify ec2 s3 amazon aws howto opml insipration)