Recently, while working on my rdf-do gem, a simple SQL backend for RDF.rb, I wanted to make sure it worked on Heroku. Easier said than done--Heroku demands a webapp, and RSpec hates that. But I fought it and fixed it.

First, in the root of your gem repository, add a Gemfile and a config.ru (examples are at the end). Then commit them, heroku create, and push. You'll need to push from master initially; heroku won't let you push to master from another branch until it already exists:

The W3C SPARQL working group (previously the Data Access Working Group) has recently released their first versions of the updated SPARQL standards, or SPARQL 1.1. The group's roadmap has these finalized a year from now, but they have asked for comments and I suppose these are mine.