Experience Design and the Design of Experience (by Erik Davis, This piece appeared in Arcadia: Writings on Theology and Technology)
Definitions of Information Design. (Information Design Special Interest Group of STC)
Information Design: Understanding the Discipline. by Dirk Neymeyer.
Information Design: An Introduction. by Clark MacLeod.
Semantic Studios is an information architecture and user experience consulting firm led by Peter Morville.
EyeArchitect is an information architecture and interaction design consultancy.