Pull-based data broadcast with dependencies: be fair to users, not to items.

Julien Robert Nicolas Schabanel Pull-based data broadcast with dependencies: be fair to users, not to items. 238-247 2007 conf/soda/2007 SODA http://doi.acm.org/10.1145/1283383.1283409 db/conf/soda/soda2007.html#RobertS07