Comment Try the InfoVis community (Score 5, Informative) 180
The infovis community has been dealing with these subjects for years. There's many different visualisation techniques around. Here's a list of the past conferences and the papers:
http://conferences.computer.org/Infovis/
Plenty of good products out there, but the one that I like most is from Tableau Software (http://www.tableausoftware.com/).