• cTuning.org
  cTuning.org is a community-driven collaborative Mediawiki-based portal that brings together industry, academia and IT users to optimize programs and architectures collectively and build smart self-tuning adaptive computing systems based on statistical and machine learning techniques.
  in Web > reference with adaptive collaboration community learning machine optimization wiki
• Eurocloud
  European SaaS & Cloud Computing Community
  in Software with cloud community computing european saas
• Metafilter
  Metafilter is a weblog that anyone can contribute a link or a comment to.
  in Web > news with collaboration community news weblog by 59 users
• Topicle Search Community
  Topicle is a search engine community. Every Topicle search engine only searches handpicked URLs, instead of the whole Web. You - the community - can create new Topicle search engines and maintain all existing ones.
  in Web with community engine google search by 4 users
• Virtual Universe Community
  in Web with community virtual_reality
• Virtual Worlds Connect
  in Web with community virtual_reality

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