Yahoo! Search announced today in their blog post that they will soon support in the Search Monkey project the use of semantic web technologies such as RDFa with standard vocabularies such as FOAF and Dublin Core. It also will do a lot of other cool stuff that you can read about above.
It was nice to see that
I didn't work on this project and don't work in the search division, but continue to build with Semantic Web technologies in another more internal-facing part of Yahoo! But it is exciting to see that there are more public applications getting out, such as this and research projects like microsearch by Peter Mika.