TVL '97
   International Workshop on Theory of Visual Languages.
   http://www.csse.monash.edu.au/~berndm/TVL97/tvl97-home.html

VL 2000
   IEEE Symposium on Visual Languages. Visual programming languages, software visualization, usability of visual programming, end-user programming, visual techniques in software design and testing, and visual representations and grammars for web-based ser
   http://web.engr.oregonstate.edu/~burnett/vl2000/

VL97
   IEEE Symposium on Visual Languages. (mirror)
   http://web.engr.oregonstate.edu/~burnett/vl97.html