588 search results - page 97 / 118 » Positive higher-order queries |
106
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SIGMOD
2000
ACM
15 years 4 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
DOOD
1989
Springer
15 years 3 months ago
1989
Springer
This paper attempts to de ne an object-oriented database system. It describes the main features and characteristics that a system must have to qualify as an objectoriented databas...
100
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ICDCS
2007
IEEE
15 years 3 months ago
2007
IEEE
In recent work, we proposed D-Trigger, a framework for tracking a global condition over a large network that allows us to detect anomalies while only collecting a very limited amo...
COLT
2006
Springer
15 years 3 months ago
2006
Springer
U-shaped learning is a learning behaviour in which the learner first learns a given target behaviour, then unlearns it and finally relearns it. Such a behaviour, observed by psych...
108
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VLDB
1997
ACM
15 years 3 months ago
1997
ACM
A new access method, called M-tree, is proposed to organize and search large data sets from a generic "metric space", i.e. where object proximity is only defined by a di...