***Call for Participation VisWeek 2012 Doctoral Colloquium*** With apologies for cross-posting We solicit submissions to the doctoral colloquium (DC) for VisWeek 2012. The DC is a single-day invitation-only event at the beginning of IEEE VisWeek where Ph.D. students in any visualization field---preferably those at the proposal defense stage or equivalent---present their proposed dissertation work and receive feedback from leading senior visualization researchers. We invite contributions from the scientific visualization, information visualization, and visual analytics student communities. More specifically, DC submissions can cover a wide selection of topics related to VisWeek, including but not limited to * Visual data mining * Perception in visualization * Design aspects of visualization * High-dimensional visualization * Data management and knowledge representation * Large data visualization * Analytical reasoning and sensemaking * GPGPU methods in visualization * Usability testing and evaluation * Mathematics and statistics * Principles and foundations of visualization * Relevant application areas (climate, chemistry, hydrology, CFD, medicine, genomics/proteomics, molecular biology, etc.) The colloquium will allow students to discuss their research directions in a supportive atmosphere with a panel of distinguished leaders and with their peers. Students can expect helpful feedback and fresh perspectives on their research topics and possible career paths, and will have the opportunity to interact closely with expert researchers in their field. The colloquium will support community-building by connecting beginning and advanced researchers. **Format** The colloquium will likely consist of four sessions of student presentations including in-depth discussion with the expert panelists and the audience. A lunch is also planned that will give student participants the opportunity to interact one-on-one with panelists. NOTE: Past doctoral colloquia have partially funded student participants for their travel and conference registration. We hope to be able to fund participants for the 2012 DC as well. **Submissions** The deadline for DC submissions is June 27, 2012. Applicants to the Doctoral Colloquium should submit: * A four-page summary of their thesis research, including the problem being addressed, methodology and plan of research, and a description of the progress to date. * An email from the student's advisor recommending the student for participation in the colloquium, emailed directly to doctoral_coll@visweek.org. * (Optional) A draft poster in PDF format (see below). Student submissions should be emailed to doctoral_coll@visweek.org. Formatting guidelines and LaTeX/Word templates can be found at http://www.cs.sfu.ca/~vis/Tasks/camera.html. Student submissions will be peer-reviewed and selections will be made on the basis of their contribution to the colloquium's goals, strength of research direction, and the advisor's assessment. Accepted submissions will be printed for colloquium participants. **Poster Presentations** Accepted participants of the Doctoral Colloquium will also be allowed to present their work as a poster that will be displayed together with the regular poster program. Please consider including a draft poster with your DC submission. Participants may be asked to refine their posters and summaries based upon reviewer feedback. The poster session chairs will have a final say in accepting all poster submissions, even for DC participants. The posters themselves have no predefined formatting, but dimensions may not exceed A0 paper size (841mm x 1189mm / 33.1" x 46.8"). Participants are responsible for bringing a hardcopy poster for display during VisWeek. They should be available at the poster to discuss their work during the scheduled evening poster session(s). **Doctoral Colloquium Chairs** Niklas Elmqvist, Purdue University Christopher G. Healey, North Carolina State University Leland Wilkinson, Systat Software Contact: doctoral_coll@visweek.org