Topological properties in identification and modeling techniques

Giacomo Innocenti, Donatello Materassi

Research output: Chapter in Book/Report/Conference proceedingChapter


This contribution deals with the problem of finding models and dependencies within a large set of time series or processes. Nothing is assumed about their mutual influences and connections. The problem can not be tackled efficiently, starting from a classical system identification approach. Indeed, the general optimal solution would provide a large number of models, since it would consider every possible interdependence. Then a suboptimal approach will be developed. The proposed technique will present interesting modeling properties which can be interpreted in terms of graph theory. The application of this procedure will also be exploited as a tool to provide a clusterization of the time series. Finally, we will show that it turns out to be a dynamical generalization of other techniques described in literature.

Original languageEnglish (US)
Title of host publicationModelling, Estimation and Control of Networked Complex Systems
PublisherSpringer Verlag
Number of pages15
ISBN (Print)9783642031984
StatePublished - 2009

Publication series

NameUnderstanding Complex Systems
ISSN (Print)1860-0832
ISSN (Electronic)1860-0840

Bibliographical note

Funding Information:
This work has been supported by the Ministero dell’Uni-versità e della Ricerca (MiUR), under the Project PRIN 2005 n. 2005098133 003 “Nonlinear dynamic networks: techniques for robust analysis of deterministic and stochastic models”.


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