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CORR
2011
Springer
148views Education» more  CORR 2011»
14 years 1 months ago
Repetitive Reduction Patterns in Lambda Calculus with letrec (Work in Progress)
extended abstract we report on work in progress carried out within the framework of the NWO project Realising Optimal Sharing. Instead of discussing optimal reduction in the λ-cal...
Jan Rochel, Clemens Grabmayer
ICDM
2007
IEEE
155views Data Mining» more  ICDM 2007»
15 years 1 months ago
Transitional Patterns and Their Significant Milestones
Mining frequent patterns in transaction databases has been studied extensively in data mining research. However, most of the existing frequent pattern mining algorithms do not con...
Qian Wan, Aijun An
PODS
2001
ACM
145views Database» more  PODS 2001»
15 years 10 months ago
Optimization of Sequence Queries in Database Systems
The need to search for complex and recurring patterns in database sequences is shared by many applications. In this paper, we discuss how to express and support efficiently sophis...
Reza Sadri, Carlo Zaniolo, Amir M. Zarkesh, Jafar ...
DATAMINE
2010
166views more  DATAMINE 2010»
14 years 10 months ago
Optimal constraint-based decision tree induction from itemset lattices
In this article we show that there is a strong connection between decision tree learning and local pattern mining. This connection allows us to solve the computationally hard probl...
Siegfried Nijssen, Élisa Fromont