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150
Voted
KDD
2009
ACM
16 years 3 months ago
2009
ACM
Customer preferences for products are drifting over time. Product perception and popularity are constantly changing as new selection emerges. Similarly, customer inclinations are ...
117
Voted
KDD
2004
ACM
16 years 3 months ago
2004
ACM
The computation of covariance and correlation matrices are critical to many data mining applications and processes. Unfortunately the classical covariance and correlation matrices...
120
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KDD
2002
ACM
16 years 3 months ago
2002
ACM
In this paper, we present a novel algorithm OpportuneProject for mining complete set of frequent item sets by projecting databases to grow a frequent item set tree. Our algorithm ...
138
Voted
KDD
2002
ACM
16 years 3 months ago
2002
ACM
Traditional intrusion detection systems (IDS) detect attacks by comparing current behavior to signatures of known attacks. One main drawback is the inability of detecting new atta...
255
Voted
POPL
2004
ACM
16 years 3 months ago
2004
ACM
For decades we have been using Chomsky's generative system of grammars, particularly context-free grammars (CFGs) and regular expressions (REs), to express the syntax of prog...