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VLDB
2010
ACM
144views Database» more  VLDB 2010»
13 years 10 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 10 months ago
Continuous spatial assignment of moving users
Leong Hou U, Kyriakos Mouratidis, Nikos Mamoulis