308 search results - page 62 / 62 » Tight Lower Bounds for the Distinct Elements Problem |
FOCS
2007
IEEE
13 years 11 months ago
2007
IEEE
We present a near-optimal reduction from approximately counting the cardinality of a discrete set to approximately sampling elements of the set. An important application of our wo...
IPPS
2007
IEEE
13 years 11 months ago
2007
IEEE
Replicating data objects onto servers across a system can alleviate access delays. The selection of data objects and servers requires solving a constraint optimization problem, wh...
SIGMOD
2002
ACM
14 years 5 months ago
2002
ACM
XML is widely recognized as the data interchange standard for tomorrow, because of its ability to represent data from a wide variety of sources. Hence, XML is likely to be the for...