More details at the Web3D conference website.
In the early years they were called VRML Symposium, then Web3D Symposium and now Web3D Conference.
It’s a conference on 3D Web Technology addressing an extensive range of research, development, and practice related to Web-based 3D Graphic. It unites researchers, developers, entrepreneurs, experimenters, artists and content creators in a dynamic learning environment. Attendees share and explore methods of using, enhancing and creating new 3D Web and Multimedia technologies.
The conference also focuses on recent trends in interactive 3D graphics, information integration and usability in the wide range of Web3D applications from mobile devices to high-end immersive environments.