Andrius Lauraitis reports from Kaunas in Lithuania that he has been able to install the Ontopia/Liferay integration and set up a simple site with it. We’re impressed, since the integration is still in its early stages, and the installation is non-trivial. The site is in Lithuanian, but the screenshots still speak for themselves.
This is the front page, with the YahooTree portlet on the right showing a topic hierarchy:
This is the page for an individual topic, showing the related topics on the right: