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VLDB
2010
ACM
144views Database» more  VLDB 2010»
13 years 3 months ago
Methods for finding frequent items in data streams
The frequent items problem is to process a stream of items and find all items occurring more than a given fraction of the time. It is one of the most heavily studied problems in d...
Graham Cormode, Marios Hadjieleftheriou
VLDB
2010
ACM
127views Database» more  VLDB 2010»
13 years 3 months ago
Continuous spatial assignment of moving users
Leong Hou U, Kyriakos Mouratidis, Nikos Mamoulis