I began working with cloud computing about 2 years ago because of my interest in using this environment for semantic web applications. It seems to be of interest to others too.
https://opencirrus.org/content/sparql-query-over-hadoop-very-large-rdf-dataset
http://portal.acm.org/citation.cfm?id=1779599.1779605
http://cs264.org/projects/web/Rohloff_Kurt/rohloff/index.html
