Looking at both the present and the past to efficiently update replicas of web content.

Luciano Barbosa Ana Carolina Salgado Francisco de A. T. de Carvalho Jacques Robin Juliana Freire Looking at both the present and the past to efficiently update replicas of web content. 75-80 2005 conf/widm/2005 WIDM http://doi.acm.org/10.1145/1097047.1097062 db/conf/widm/widm2005.html#BarbosaSCRF05