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WWW
2010
ACM
15 years 6 months ago
2010
ACM
Geography and social relationships are inextricably intertwined; the people we interact with on a daily basis almost always live near us. As people spend more time online, data re...
DAWAK
2007
Springer
15 years 6 months ago
2007
Springer
Abstract. A federated data warehouse is a logical integration of data warehouses applicable when physical integration is impossible due to privacy policy or legal restrictions. In ...
GFKL
2005
Springer
15 years 5 months ago
2005
Springer
In classification, with an increasing number of variables, the required number of observations grows drastically. In this paper we present an approach to put into effect the maxi...
UM
2010
Springer
15 years 5 months ago
2010
Springer
Recently, detectors of gaming the system have been developed for several intelligent tutoring systems where the problem-solving process is reified, and gaming consists of systemati...
IDEAS
2000
IEEE
15 years 4 months ago
2000
IEEE
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...