I created a toy script that is based on the idea that when people list twitter users in lists, they are implicitly tagging those users. Using the Twitter API, it’s dead simple to extract the lists a user belongs to, do a tiny bit of parsing, and visualize the tags in a word cloud. So I did it. Let me know what you think: TwitTags.
Ashutosh and I presented at the Pittsburgh Hadoop User Group on Apache Pig. The slide deck goes through a brief into to Pig Latin, then jumps into an explanation of the different join algorithms, and finishes up with some research ideas. A pretty wide-ranging talk, for a diverse audience.
Scribd messed up some of the colors, so if you can’t read some of the text, try downloading the original.