title: IEEE visualization conference and IEEE information visualization conference. Proceedings 2009. Preface.
authors.affiliation: University of California, Davis, Davis, CA, USA.
authors.forename: Kwan-Liu
authors.initials: KL
authors.lastname: Ma
authors.forename: Torsten
authors.initials: T
authors.lastname: Möller
authors.forename: Hanspeter
authors.initials: H
authors.lastname: Pfister
authors.forename: Sheelagh
authors.initials: S
authors.lastname: Carpendale
authors.forename: Jean-Daniel
authors.initials: JD
authors.lastname: Fekete