A constraint extension to scalable vector graphics. - Greg J. Badros; Jojada J. Tirtowidjojo; Kim Marriott; Bernd Meyer 001; Will Portnoy; Alan Borning (WWW, 2001)

Personal Map: Automatically Modeling the User's Online Social Network. - Shelly Farnham; Will Portnoy; Andrzej Turski; Lili Cheng; David Vronay (INTERACT, 2003)

Wallop: Designing Social Software for Co-Located Social Networks. - Shelly Farnham; Sean Uberoi Kelly; Will Portnoy; Jordan L. K. Schwartz (HICSS, 2004)