@inproceedings{KKN99, author = {Keim, Daniel A. and Koutsofios, Eleftherios and North, Stephen C.}, booktitle = {Proc. 1st Int. Workshop on User Interfaces In Data Intensive Systems (UIDIS'99) (Invited Talk), Edinburgh, Scotland}, month = {Sep}, pages = {12--20}, title = {Visual Exploration of Large Telecommunication Data Sets}, year = {1999} }