Bulletin of the Technical Committee on Data Engineering June 2012 Vol. 35 No. 2 IEEE Computer Society Letters Letter from the Editor-in-Chief. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .David Lomet 1 Nominations for Chair of TCDE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Paul Larson and Masaru Kitsuregawa 2 Lette