Suman Nath and Phillip B. Gibbons
|Published in||VLDB '2008: Proceedings of the 34th international conference on Very large data bases|
|Address||New York, NY, USA|
Permission to copy without fee all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the VLDB copyright notice and the title of the publication and its date appear, and notice is given that copying is by permission of the Very Large Data Base Endowment. To copy otherwise, or to republish, to post on servers or to redistribute to lists, requires a fee and/or special permission from the publisher, ACM.