DataSF hosts government data released by the city and county of San Francisco. Among all the data sets in its collection, it has a data sets showing the name, description, tags, etc of all the data sets in DataSF. “DataSF Data Set Tags” is a quick visualization of the tags in DataSF.

I wanted to play with Protovis for a while, and The Bay Citizen Code-a-Thon was the perfect opportunity to do so. So far I found Protovis to be pretty easy to use, with an ample of examples to copy study from. The graphics it creates are quite elegant as well.