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» A New Definition for Passivity and Its Relation to Coherence
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DIS
2008
Springer
13 years 9 months ago
Constructing Iceberg Lattices from Frequent Closures Using Generators
Frequent closures (FCIs) and generators (FGs) as well as the precedence relation on FCIs are key components in the definition of a variety of association rule bases. Although their...
Laszlo Szathmary, Petko Valtchev, Amedeo Napoli, R...
DMDW
2001
127views Management» more  DMDW 2001»
13 years 8 months ago
MAC: Conceptual data modeling for OLAP
In this paper we address the issue of conceptual modeling of data used in multidimensional analysis. We view the problem from the end-user point of view and we describe a set of r...
Aris Tsois, Nikos Karayannidis, Timos K. Sellis
SIGMOD
2009
ACM
141views Database» more  SIGMOD 2009»
14 years 7 months ago
FlexRecs: expressing and combining flexible recommendations
Recommendation systems have become very popular but most recommendation methods are `hard-wired' into the system making experimentation with and implementation of new recomme...
Georgia Koutrika, Benjamin Bercovitz, Hector Garci...
CAISE
2004
Springer
14 years 27 days ago
A Coordination Approach Towards Alignment
In this paper we present a coordination approach towards creating and maintaining alignment between the business and its support systems. The business objectives are related to the...
Lars Taxén
SACRYPT
2001
Springer
123views Cryptology» more  SACRYPT 2001»
13 years 12 months ago
Weaknesses in the Key Scheduling Algorithm of RC4
Abstract. Inthis paper we present several weaknesses in the keyscheduling algorithm of RC4, and describe their cryptanalytic signi cance. We identify a large number of weak keys, i...
Scott R. Fluhrer, Itsik Mantin, Adi Shamir