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IDA
2006
Springer
15 years 6 months ago
Classification of symbolic objects: A lazy learning approach
Symbolic data analysis aims at generalizing some standard statistical data mining methods, such as those developed for classification tasks, to the case of symbolic objects (SOs). ...
Annalisa Appice, Claudia d'Amato, Floriana Esposit...
ISI
2006
Springer
15 years 6 months ago
On the Topology of the Dark Web of Terrorist Groups
In recent years, terrorist groups have used the WWW to spread their ideologies, disseminate propaganda, and recruit members. Studying the terrorist websites may help us understand ...
Jennifer Jie Xu, Hsinchun Chen, Yilu Zhou, Jialun ...
ITA
2006
15 years 6 months ago
Decision problems among the main subfamilies of rational relations
We consider the four families of recognizable, synchronous, deterministic rational and rational subsets of a direct product of free monoids. They form a strict hierarchy and we in...
Olivier Carton, Christian Choffrut, Serge Grigorie...
DM
2007
72views more  DM 2007»
15 years 6 months ago
Multicomplexes and polynomials with real zeros
We show that each polynomial a(z)=1+a1z+· · ·+adzd in N[z] having only real zeros is the f-polynomial of a multicomplex. It follows that a(z) is also the h-polynomial of a Cohe...
Jason Bell, Mark Skandera
EOR
2007
80views more  EOR 2007»
15 years 6 months ago
Coherent risk measures in inventory problems
We analyze an extension of the classical multi-period, single-item, linear cost inventory problem where the objective function is a coherent risk measure. Properties of coherent r...
Shabbir Ahmed, Ulas Çakmak, Alexander Shapi...