The annual ICDE conference addresses research issues in designing, building, managing, and evaluating advanced data-intensive systems and applications. It is a leading forum for researchers, practitioners, developers, and users to explore cutting-edge ideas and to exchange techniques, tools, and experiences. We invite the submission of original research contributions. The 30th ICDE will be held in Chicago, IL, USA, March 31-April 4, 2014. Chicago, on the southwestern shores of Lake Michigan, is an international hub for finance, commerce, industry, telecommunications, and transportation. The city is also a home to 12 Fortune-500 companies, with O'Hare International Airport being the second-busiest airport in the world. Chicago is famous for its rich cultural life, celebrated live music, and world-class dining. The conference will be held at the Holiday Inn Chicago Mart Plaza Hotel, which offers exceptional views of the Chicago River and the Chicago skyline. The hotel is adjacent to Merchandise Mart and is minutes from Michigan Avenue, the Magnificent Mile shopping district, the Loop, and Millennium Park.