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» On the Complexity of Ordinal Clustering
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LICS
2012
IEEE
13 years 8 months ago
The Ordinal-Recursive Complexity of Timed-arc Petri Nets, Data Nets, and Other Enriched Nets
—We show how to reliably compute fast-growing functions with timed-arc Petri nets and data nets. This construction provides ordinal-recursive lower bounds on the complexity of th...
Serge Haddad, Sylvain Schmitz, Philippe Schnoebele...
HICSS
2003
IEEE
90views Biometrics» more  HICSS 2003»
15 years 11 months ago
Enterprise Wide Development - A Survey of Critical Factors for Co-Ordinated Development in Complex Organizations: What Developme
This paper describes critical factors for co-ordinated enterprise and IS/IT development and change in complex organizations in Sweden. These factors represent an answer on the cru...
Magnus Holmqvist, Håkan Enquist
LICS
2008
IEEE
16 years 11 days ago
The Ordinal Recursive Complexity of Lossy Channel Systems
We show that reachability and termination for lossy channel systems is exactly at level Fωω in the Fast-Growing Hierarchy of recursive functions, the first level that dominates...
Pierre Chambart, Ph. Schnoebelen
AMFG
2007
IEEE
315views Biometrics» more  AMFG 2007»
16 years 9 days ago
Structured Ordinal Features for Appearance-Based Object Representation
In this paper, we propose a novel appearance-based representation, called Structured Ordinal Feature (SOF). SOF is a binary string encoded by combining eight ordinal blocks in a ci...
ShengCai Liao, Zhen Lei, Stan Z. Li, Xiaotong Yuan...