Konstantin Avrachenkov and Vivek S. Borkar: Whittle index policy for crawling ephemeral content. (2015)conf/cdc/AvrachenkovB1510.1109/CDC.2015.7403283Whittle index policy for crawling ephemeral content.2Konstantin Avrachenkov1Vivek S. Borkar26755-6760CDCCDC20152015provenance information for RDF data of dblp record 'conf/cdc/AvrachenkovB15'2017-06-15T21:43:26+0200