Publications

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Authors: University of Trieste; University of Lincoln; University of Birmingham; 57193734123 University of Trieste; 23059304100 University of Lincoln; 7004587933 University of Birmingham

Journal: Proceedings Paper

Published: doi

DOI: 2015

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Volume: English Pages: WOS:000380619000051

Keywords: 12th International Conference on Informatics in Control, Automation and Robotics, ICINCO 2015

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Authors: ULSS 1 Dolomiti; University of Padua; 6603631703 Preventive Cardiology and Rehabilitation, Inst. Codivilla-Putti; 7102889554 Dpt Cardiac, Thoracic and Vascular Sciences, University of Padua; 55136772600 Dpt Cardiac, Thoracic and Vascular Sciences, University of Padua; 37762165000 Preventive Cardiology and Rehabilitation, Inst. Codivilla-Putti; 23049484700 Dpt Medicine, School of Emergency Medicine, University of Padua; 12041855900 Dpt Cardiac, Thoracic and Vascular Sciences, University of Padua; 7005516149 Dpt Cardiac, Thoracic and Vascular Sciences, University of Padua; 6701861434 Preventive Cardiology and Rehabilitation, Inst. Codivilla-Putti

Journal: Article

Published: doi

DOI: 2015

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Volume: English Pages: WOS:000353636800012-REV BRAS CIR CARDIOV

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Authors: University of Lincoln PROCEEDINGS INTERNATIONAL CONFERENCE ON INTELLIGENT ENVIRONMENTS###2469-8792; University of Lincoln; 32667745300 University of Lincoln; 23059304100 University of Lincoln

Journal: Proceedings Paper

Published: title_year

DOI: 2016

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Volume: English Pages: WOS:000389831700020-INT CONF INTEL ENVIR

Keywords: 12th International Conference on Intelligent Environments, IE 2016

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Authors: University of Lincoln; Aston University; Universidade de Coimbra; 57192433484 University of Lincoln; 26031469100 Aston University; 6603870766 University of Coimbra; 23059304100 University of Lincoln

Journal: Proceedings Paper

Published: title_year

DOI: 2016

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Volume: English Pages: WOS:000391921705013-7759742

Keywords: 2016 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2016

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Authors: Non assegn; AREA MIN. 11 - Scienze storiche, filosofiche, pedagogiche e psicologiche

Published: title_year

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Authors: Non assegn; ITA

Journal: Rubettino Editore

Published: title_year

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Authors: Agosti, M; Pretto, L;; Kleinberg's HITS algorithm (Kleinberg 1999), which was originally developed in a Web context, tries to infer the authoritativeness of a Web page in relation to a specific query using the structure of a subgraph of the Web graph, which is obtained considering this specific query. Recent applications of this algorithm in contexts far removed from that of Web searching (Bacchin, Ferro and Melucci 2002, Ng et al. 2001) inspired us to study the algorithm in the abstract, independently of its particular applications, trying to mathematically illuminate its behaviour. In the present paper we detail this theoretical analysis. The original work starts from the definition of a revised and more general version of the algorithm, which includes the classic one as a particular case. We perform an analysis of the structure of two particular matrices, essential to studying the behaviour of the algorithm, and we prove the convergence of the algorithm in the most general case, finding the analytic expression of the vectors to which it converges. Then we study the symmetry of the algorithm and prove the equivalence between the existence of symmetry and the independence from the order of execution of some basic operations on initial vectors. Finally, we expound some interesting consequences of our theoretical results. © 2005 Springer Science + Business Media, Inc. Agosti; Pretto

Journal: English

Published: doi

DOI: WOS:000227178800004

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Volume: INFORMATION RETRIEVAL###1386-4564 Pages: 243-Theoretical study of a generalized version of Kleinberg's HITS algorithm

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Authors: Galletta, G; Ferri, F; Fanti, G; D'Alessandro, M; Bertoloni, G; Pavarin, D; Bettanini, C; Cozza, P; Pretto, P; Bianchini, G; Debei, S;; The Martian Environment Simulator (SAM "Simulatore di Ambiente Marziano") is a interdisciplinary project of Astrobiology done at University of Padua. The research is aimed to the study of the survival of the microorganisms exposed to the "extreme" planetary environment. The facility has been designed in order to simulate Mars' environmental conditions in terms of atmospheric pressure, temperature cycles and UV radiation dose. The bacterial cells, contained into dedicated capsules, will be exposed to thermal cycles simulating diurnal and seasonal Martian cycles. The metabolism of the different biological samples will be analysed at different phases of the experiment, to study their survival and eventual activity of protein synthesis (mortality, mutations and capability of DNA reparing). We describe the experimental facility and provide the perspectives of the biological experiments we will perform in order to provide hints on the possibility of life on Mars either autochthonous or imported from Earth. © 2006 Springer Science+Business Media, B.V. Galletta; Ferri; Fanti; D'Alessandro; Bertoloni; Pavarin; Bettanini; Cozza; Pretto; Bianchini; Debei

Journal: English

Published: doi

DOI: WOS:000243623600028

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Volume: ORIGINS OF LIFE AND EVOLUTION OF THE BIOSPHERE###0169-6149 Pages: 627-SAM, the Italian Martian Simulation Chamber

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Authors: Galletta, G; Ferri, F; Fanti, G; D'Alessandro, M; Bertoloni, G; Pavarin, D; Bettanini, C; Cozza, P; Pretto, P; Bianchini, G; Debei, S;; The Martian Environment Simulator (SAM "Simulatore di Ambiente Marziano") is a interdisciplinary project of Astrobiology done at University of Padua. The research is aimed to the study of the survival of the microorganisms exposed to the "extreme" planetary environment. The facility has been designed in order to simulate Mars' environmental conditions in terms of atmospheric pressure, temperature cycles and UV radiation dose. The bacterial cells, contained into dedicated capsules, will be exposed to thermal cycles simulating diurnal and seasonal Martian cycles. The metabolism of the different biological samples will be analysed at different phases of the experiment, to study their survival and eventual activity of protein synthesis (mortality, mutations and capability of DNA reparing). We describe the experimental facility and provide the perspectives of the biological experiments we will perform in order to provide hints on the possibility of life on Mars either autochthonous or imported from Earth. © 2006 Springer Science+Business Media, B.V. Galletta; Ferri; Fanti; D'Alessandro; Bertoloni; Pavarin; Bettanini; Cozza; Pretto; Bianchini; Debei

Journal: English

Published: doi

DOI: WOS:000243623600028

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Volume: ORIGINS OF LIFE AND EVOLUTION OF THE BIOSPHERE###0169-6149 Pages: 627-SAM, the Italian Martian Simulation Chamber

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Authors: Melucci, M; Pretto, L; Dept Informat Engn; Dept Informat Engn; As PageRank is a ranking algorithm, it is of prime interest to study the order induced by its values on webpages. In this paper a thorough mathematical analysis of PageRank-induced order changes when the damping factor varies is provided. Conditions that do not allow variations in the order are studied, and the mechanisms that make the order change are mathematically investigated. Moreover the influence on the order of a truncation in the actual computation of PageRank through a power series is analysed. Experiments carried out on a large Web digraph to integrate the mathematical analysis show that PageRank - while working on a real digraph -tends to hinder variations in the order of large rankings, presenting a high stability in its induced order both in the face of large variations of the damping factor value and in the face of truncations in its computation. © Springer-Verlag Berlin Heidelberg 2007. Melucci; Pretto

Journal: English

Published: title_year

DOI: WOS:000246044300051

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Pages: +-PageRank: When order changes