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493 results on '"Conte, Rosaria"'

1. 2ND SOCIETY E LA SFERA DI CRISTALLO

Author

Conte, Rosaria

Subjects
Non equilibrium social science, generative science, Epistemology. Theory of knowledge, BD143-237, Ethics, BJ1-1725
Abstract

Il lavoro tratterà della rivoluzione scientifica operata, secondo alcuni, dal terzo metodo della scienza, dopo quello induttivo e deduttivo,ossia il metodo generativo, che consiste nel generare i fenomeni da spiegare. Dopo un’analisi del concetto di generazione e del metodo generativo, cercherò di mostrare il potenziale scientifico del metodo generativo nella spiegazione dei fenomeni sociali. In parziale dissenso da Epstein, discuterò infine alcune ragioni che rendono il metodo generativo insufficiente a fornire adeguate teorie dei fenomeni che produce.

Published
2010

2. Reducing individuals' risk sensitiveness can promote positive and non-alarmist views about catastrophic events in an agent-based simulation

Author

Vilone, Daniele, Giardini, Francesca, Paolucci, Mario, and Conte, Rosaria

Subjects
Physics - Physics and Society, Computer Science - Social and Information Networks
Abstract

We present a cognitive model of opinion dynamics which studies the behavior of a population of interacting individuals in the context of risk of natural disaster. In particular, we investigate the response of the individuals to the information received by institutional sources about the correct behaviors for prevention and harm reduction. The results of our study show that alarmist opinions are more likely to be adopted by populations, since worried people, Comment: Accepted as a full paper in the SSC Conference, September 2016

Published
2016

3. Consensus Emerging from the Bottom-up: the Role of Cognitive Variables in Opinion Dynamics

Author

Giardini, Francesca, Vilone, Daniele, and Conte, Rosaria

Subjects
Physics - Physics and Society, Computer Science - Social and Information Networks, Nonlinear Sciences - Adaptation and Self-Organizing Systems
Abstract

The study of opinions $-$ e.g., their formation and change, and their effects on our society $-$ by means of theoretical and numerical models has been one of the main goals of sociophysics until now, but it is one of the defining topics addressed by social psychology and complexity science. Despite the flourishing of different models and theories, several key questions still remain unanswered. The aim of this paper is to provide a cognitively grounded computational model of opinions in which they are described as mental representations and defined in terms of distinctive mental features. We also define how these representations change dynamically through different processes, describing the interplay between mental and social dynamics of opinions. We present two versions of the model, one with discrete opinions (voter model-like), and one with continuous ones (Deffuant-like). By means of numerical simulations, we compare the behaviour of our cognitive model with the classical sociophysical models, and we identify interesting differences in the dynamics of consensus for each of the models considered., Comment: 14 pages, 8 figures

Published
2015
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4. Exploiting Reputation in Distributed Virtual Environments

Author

Quattrociocchi, Walter and Conte, Rosaria

Subjects
Computer Science - Artificial Intelligence
Abstract

The cognitive research on reputation has shown several interesting properties that can improve both the quality of services and the security in distributed electronic environments. In this paper, the impact of reputation on decision-making under scarcity of information will be shown. First, a cognitive theory of reputation will be presented, then a selection of simulation experimental results from different studies will be discussed. Such results concern the benefits of reputation when agents need to find out good sellers in a virtual market-place under uncertainty and informational cheating.

Published
2011

5. Understanding opinions. A cognitive and formal account

Author

Giardini, Francesca, Quattrociocchi, Walter, and Conte, Rosaria

Subjects
Computer Science - Artificial Intelligence
Abstract

The study of opinions, their formation and change, is one of the defining topics addressed by social psychology, but in recent years other disciplines, as computer science and complexity, have addressed this challenge. Despite the flourishing of different models and theories in both fields, several key questions still remain unanswered. The aim of this paper is to challenge the current theories on opinion by putting forward a cognitively grounded model where opinions are described as specific mental representations whose main properties are put forward. A comparison with reputation will be also presented.

Published
2011

6. Rooting opinions in the minds: a cognitive model and a formal account of opinions and their dynamics

Author

Giardini, Francesca, Quattrociocchi, Walter, and Conte, Rosaria

Subjects
Computer Science - Artificial Intelligence
Abstract

The study of opinions, their formation and change, is one of the defining topics addressed by social psychology, but in recent years other disciplines, like computer science and complexity, have tried to deal with this issue. Despite the flourishing of different models and theories in both fields, several key questions still remain unanswered. The understanding of how opinions change and the way they are affected by social influence are challenging issues requiring a thorough analysis of opinion per se but also of the way in which they travel between agents' minds and are modulated by these exchanges. To account for the two-faceted nature of opinions, which are mental entities undergoing complex social processes, we outline a preliminary model in which a cognitive theory of opinions is put forward and it is paired with a formal description of them and of their spreading among minds. Furthermore, investigating social influence also implies the necessity to account for the way in which people change their minds, as a consequence of interacting with other people, and the need to explain the higher or lower persistence of such changes.

Published
2011

7. Opinions within Media, Power and Gossip

Author

Quattrociocchi, Walter, Conte, Rosaria, and Lodi, Elena

Subjects
Computer Science - Social and Information Networks, Computer Science - Artificial Intelligence, Physics - Physics and Society
Abstract

Despite the increasing diffusion of the Internet technology, TV remains the principal medium of communication. People's perceptions, knowledge, beliefs and opinions about matter of facts get (in)formed through the information reported on by the mass-media. However, a single source of information (and consensus) could be a potential cause of anomalies in the structure and evolution of a society. Hence, as the information available (and the way it is reported) is fundamental for our perceptions and opinions, the definition of conditions allowing for a good information to be disseminated is a pressing challenge. In this paper starting from a report on the last Italian political campaign in 2008, we derive a socio-cognitive computational model of opinion dynamics where agents get informed by different sources of information. Then, a what-if analysis, performed trough simulations on the model's parameters space, is shown. In particular, the scenario implemented includes three main streams of information acquisition, differing in both the contents and the perceived reliability of the messages spread. Agents' internal opinion is updated either by accessing one of the information sources, namely media and experts, or by exchanging information with one another. They are also endowed with cognitive mechanisms to accept, reject or partially consider the acquired information.

Published
2011

8. Simulating Opinion Dynamics in Heterogeneous Communication

Author

Quattrociocchi, Walter, Conte, Rosaria, and Lodi, Elena

Subjects
Computer Science - Social and Information Networks, Computer Science - Multiagent Systems, Physics - Physics and Society
Abstract

Since the information available is fundamental for our perceptions and opinions, we are interested in understanding the conditions allowing for a good information to be disseminated. This paper explores opinion dynamics by means of multi-agent based simulations when agents get informed by different sources of information. The scenario implemented includes three main streams of information acquisition, differing in both the contents and the perceived reliability of the messages spread. Agents' internal opinion is updated either by accessing one of the information sources, namely media and experts, or by exchanging information with one another. They are also endowed with cognitive mechanisms to accept, reject or partially consider the acquired information. We expect that peer-to--peer communication and reliable information sources are able both to reduce biased perceptions and to inhibit information cheating, possibly performed by the media as stated by the agenda-setting theory. In the paper, after having shortly presented both the hypotheses and the model, the simulation design will be specified and results will be discussed with respect to the hypotheses. Some considerations and ideas for future studies will conclude the paper., Comment: 15 Pages. Eccs 2010 Special Mension

Published
2011

11. Reputation for Complex Societies

Author

Giardini, Francesca, Conte, Rosaria, Paolucci, Mario, Abarbanel, Henry D.I., Series Editor, Braha, Dan, Series Editor, Érdi, Péter, Series Editor, Friston, Karl J, Series Editor, Haken, Hermann, Series Editor, Jirsa, Viktor, Series Editor, Kacprzyk, Janusz, Series Editor, Kaneko, Kunihiko, Series Editor, Kelso, Scott, Series Editor, Kirkilionis, Markus, Series Editor, Kurths, Jürgen, Series Editor, Menezes, Ronaldo, Series Editor, Nowak, Andrzej, Series Editor, Qudrat-Ullah, Hassan, Series Editor, Reichl, Linda, Series Editor, Schuster, Peter, Series Editor, Schweitzer, Frank, Series Editor, Sornette, Didier, Series Editor, Thurner, Stefan, Series Editor, Edmonds, Bruce, editor, and Meyer, Ruth, editor

Published
2017
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12. Calibration and Validation

Author

Troitzsch, Klaus G., Nardin, Luis G., Andrighetto, Giulia, Székely, Áron, Punzo, Valentina, Conte, Rosaria, Elsenbroich, Corinna, Bertino, Elisa, Series editor, Cioffi-Revilla, Claudio, Series editor, Foster, Jacob, Series editor, Gilbert, Nigel, Series editor, Golbeck, Jennifer, Series editor, Gonçalves, Bruno, Series editor, Kitts, James A., Series editor, Liebovitch, Larry, Series editor, Matei, Sorin A., Series editor, Nijholt, Anton, Series editor, Nowak, Andrzej, Series editor, Savit, Robert, Series editor, Squazzoni, Flaminio, Series editor, Vinciarelli, Alessandro, Series editor, Elsenbroich, Corinna, editor, and Anzola, David, editor

Published
2016
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13. An Agent-Based Model of Extortion Racketeering

Author

Nardin, Luis G., Andrighetto, Giulia, Székely, Áron, Punzo, Valentina, Conte, Rosaria, Bertino, Elisa, Series editor, Cioffi-Revilla, Claudio, Series editor, Foster, Jacob, Series editor, Gilbert, Nigel, Series editor, Golbeck, Jennifer, Series editor, Gonçalves, Bruno, Series editor, Kitts, James A., Series editor, Liebovitch, Larry, Series editor, Matei, Sorin A., Series editor, Nijholt, Anton, Series editor, Nowak, Andrzej, Series editor, Savit, Robert, Series editor, Squazzoni, Flaminio, Series editor, Vinciarelli, Alessandro, Series editor, Elsenbroich, Corinna, editor, and Anzola, David, editor

Published
2016
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17. Revenge and Conflict: Social and Cognitive Aspects

Author

Giardini, Francesca, Conte, Rosaria, Bertino, Elisa, Series editor, Foster, Jacob, Series editor, Gilbert, Nigel, Series editor, Golbeck, Jennifer, Series editor, Kitts, James A., Series editor, Liebovitch, Larry, Series editor, Matei, Sorin A., Series editor, Nijholt, Anton, Series editor, Savit, Robert, Series editor, Vinciarelli, Alessandro, Series editor, D'Errico, Francesca, editor, Poggi, Isabella, editor, and Vincze, Laura, editor

Published
2015
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22. Norm Dynamics Within the Mind

Author

Andrighetto, Giulia, Villatoro, Daniel, Conte, Rosaria, Bertino, Elisa, Series editor, Foster, Jacob, Series editor, Gilbert, Nigel, Series editor, Golbeck, Jennifer, Series editor, Kitts, James A., Series editor, Liebovitch, Larry, Series editor, Matei, Sorin A., Series editor, Nijholt, Anton, Series editor, Savit, Robert, Series editor, Vinciarelli, Alessandro, Series editor, Xenitidou, Maria, editor, and Edmonds, Bruce, editor

Published
2014
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38. Reputation

Author

Giardini, Francesca, Conte, Rosaria, Paolucci, Mario, Edmonds, Bruce, editor, and Meyer, Ruth, editor

Published
2013
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42. Agent Simulation of Peer Review: The PR-1 Model

Author

Grimaldo, Francisco, Paolucci, Mario, Conte, Rosaria, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Goebel, Randy, editor, Siekmann, Jörg, editor, Wahlster, Wolfgang, editor, Villatoro, Daniel, editor, Sabater-Mir, Jordi, editor, and Sichman, Jaime Simão, editor

Published
2012
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44. The Complex Loop of Norm Emergence: A Simulation Model

Author

Andrighetto, Giulia, Campennì, Marco, Cecconi, Federico, Conte, Rosaria, Chen, Shu-Heng, editor, Cioffi-Revilla, Claudio, editor, Gilbert, Nigel, editor, Kita, Hajime, editor, Terano, Takao, editor, Takadama, Keiki, editor, and Deffuant, Guillaume, editor

Published
2010
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46. The Immergence of Norms in Agent Worlds

Author

Conte, Rosaria, Andrighetto, Giulia, Campennì, Marco, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Goebel, Randy, editor, Siekmann, Jörg, editor, Wahlster, Wolfgang, editor, Aldewereld, Huib, editor, Dignum, Virginia, editor, and Picard, Gauthier, editor

Published
2009
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47. Image and Reputation Coping Differently with Massive Informational Cheating

Author

Quattrociocchi, Walter, Paolucci, Mario, Conte, Rosaria, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Goebel, Randy, editor, Siekmann, Jörg, editor, Wahlster, Wolfgang, editor, Lytras, Miltiadis D., editor, Damiani, Ernesto, editor, Carroll, John M., editor, Tennyson, Robert D., editor, Avison, David, editor, Naeve, Ambjörn, editor, Dale, Adrian, editor, Lefrere, Paul, editor, Tan, Felix, editor, Sipior, Janice, editor, and Vossen, Gottfried, editor

Published
2009
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48. From Simulation to Theory (and Backward)

Author

Conte, Rosaria, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Goebel, Randy, editor, Siekmann, Jörg, editor, Wahlster, Wolfgang, editor, and Squazzoni, Flaminio, editor

Published
2009
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49. MAS and Social Simulation: A Suitable Commitment

Author

Conte, Rosaria, Gilbert, Nigel, Sichman, Jaime Simão, Goos, Gerhard, editor, Hartmanis, Juris, editor, van Leeuwen, Jan, editor, Carbonell, Jaime G., editor, Siekmann, Jörg, editor, Sichman, Jaime Simão, editor, Conte, Rosaria, editor, and Gilbert, Nigel, editor

Published
1998
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