The OntoWare Group provides organizational and legal support for a broad range of Semantic Web related software projects. Through a collaborative and meritocratic development process, OntoWare projects deliver enterprise-grade, freely available software products that attract large communities of users.
The UMBEL project is a community one with participation encouraged. We welcome criticisms, testing, debate and discourse. The current system is not yet at acceptable production quality, and some properties and vocabulary are still experimental. Please help UMBEL become better !
J. Waitelonis, N. Ludwig, M. Knuth, и H. Sack. International Journal of Interactive Technology and Smart Education (ITSE), Special Issue on Multimedia technologies for e-learning, 8 (4):
236--248(2011)