baldassarri baronchelli barrat caglioti castellano cattuto complexity dattoli evolutionary_dynamics granular_media granular_media herrmann information_theory innovation_dynamics kreyon language_dynamics loreto mari mukherjee petri pietronero puglisi quantum_optics self_organization servedio statistical_physics techno_social_systems tria zapperi zippers
2012 |
Gong, Tao; Baronchelli, Andrea; Puglisi, Andrea; Loreto, Vittorio Exploring the roles of complex networks in linguistic categorization Journal Article ARTIFICIAL LIFE, 18 (1) , pp. 107–121, 2012. Abstract | Links | BibTeX | Tags: baronchelli, gong, language_dynamics, loreto, puglisi @article{b, title = {Exploring the roles of complex networks in linguistic categorization}, author = {Tao Gong and Andrea Baronchelli and Andrea Puglisi and Vittorio Loreto}, url = {http://www.mitpressjournals.org/doi/abs/10.1162/artl_a_00051 http://www.scopus.com/inward/record.url?eid=2-s2.0-84455212316&partnerID=65&md5=758e5307761080b1252443baf9d08abf http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000298413600005&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a http://socialdynamics.it/vittorioloreto/PAPERS/2012/Gongetal(2012)-ALife-CatGameNetwork.pdf}, year = {2012}, date = {2012-01-01}, journal = {ARTIFICIAL LIFE}, volume = {18 (1)}, pages = {107--121}, publisher = {MIT PRESS, 55 HAYWARD STREET, CAMBRIDGE, MA 02142 USA}, abstract = {This article adopts the category game model, which simulates the origins and evolution of linguistic categories in a group of artificial agents, to evaluate the effect of social structure on linguistic categorization. Based on the simulation results in a number of typical networks, we examine the isolating and collective effects of some structural features, including average degree, shortcuts, and level of centrality, on the categorization process. This study extends the previous simulations mainly on lexical evolution, and illustrates a general framework to systematically explore the effect of social structure on language evolution.}, keywords = {baronchelli, gong, language_dynamics, loreto, puglisi}, pubstate = {published}, tppubtype = {article} } This article adopts the category game model, which simulates the origins and evolution of linguistic categories in a group of artificial agents, to evaluate the effect of social structure on linguistic categorization. Based on the simulation results in a number of typical networks, we examine the isolating and collective effects of some structural features, including average degree, shortcuts, and level of centrality, on the categorization process. This study extends the previous simulations mainly on lexical evolution, and illustrates a general framework to systematically explore the effect of social structure on language evolution.
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2011 |
Tria, Francesca; Mukherjee, Animesh; Baronchelli, Andrea; Puglisi, Andrea; Loreto, Vittorio A fast no-rejection algorithm for the category game Journal Article JOURNAL OF COMPUTATIONAL SCIENCE, 2 , pp. 316–323, 2011. Abstract | Links | BibTeX | Tags: baronchelli, language_dynamics, loreto, mukherjee, puglisi, tria @article{b, title = {A fast no-rejection algorithm for the category game}, author = {Francesca Tria and Animesh Mukherjee and Andrea Baronchelli and Andrea Puglisi and Vittorio Loreto}, url = {http://www.sciencedirect.com/science/article/pii/S1877750311000883 http://www.scopus.com/inward/record.url?eid=2-s2.0-82455187963&partnerID=65&md5=2e81b85740b8a15a5b048389e9dbe573 http://socialdynamics.it/vittorioloreto/PAPERS/2011/JoCS_2011.pdf}, year = {2011}, date = {2011-01-01}, journal = {JOURNAL OF COMPUTATIONAL SCIENCE}, volume = {2}, pages = {316--323}, publisher = {Elsevier}, abstract = {The Category Game is a multi-agent model that accounts for the emergence of shared categorization patterns in a population of interacting individuals. In the framework of the model, linguistic categories appear as long lived consensus states that are constantly reshaped and re-negotiated by the communicating individuals. It is therefore crucial to investigate the long time behavior to gain a clear understanding of the dynamics. However, it turns out that the evolution of the emerging category system is so slow, already for small populations, that such an analysis has remained so far impossible. Here, we introduce a fast no-rejection algorithm for the Category Game that disentangles the physical simulation time from the CPU time, thus opening the way for thorough analysis of the model. We verify that the new algorithm is equivalent to the old one in terms of the emerging phenomenology and we quantify the CPU performances of the two algorithms, pointing out the neat advantages offered by the no-rejection one. This technical advance has already opened the way to new investigations of the model, thus helping to shed light on the fundamental issue of categorization.}, keywords = {baronchelli, language_dynamics, loreto, mukherjee, puglisi, tria}, pubstate = {published}, tppubtype = {article} } The Category Game is a multi-agent model that accounts for the emergence of shared categorization patterns in a population of interacting individuals. In the framework of the model, linguistic categories appear as long lived consensus states that are constantly reshaped and re-negotiated by the communicating individuals. It is therefore crucial to investigate the long time behavior to gain a clear understanding of the dynamics. However, it turns out that the evolution of the emerging category system is so slow, already for small populations, that such an analysis has remained so far impossible. Here, we introduce a fast no-rejection algorithm for the Category Game that disentangles the physical simulation time from the CPU time, thus opening the way for thorough analysis of the model. We verify that the new algorithm is equivalent to the old one in terms of the emerging phenomenology and we quantify the CPU performances of the two algorithms, pointing out the neat advantages offered by the no-rejection one. This technical advance has already opened the way to new investigations of the model, thus helping to shed light on the fundamental issue of categorization. |
Mukherjee, Animesh; Tria, Francesca; Baronchelli, Andrea; Puglisi, Andrea; Loreto, Vittorio Aging in language dynamics Journal Article PLOS ONE, 6(2) , 2011. Links | BibTeX | Tags: baronchelli, language_dynamics, loreto, mukherjee, puglisi, tria @article{b, title = {Aging in language dynamics}, author = {Animesh Mukherjee and Francesca Tria and Andrea Baronchelli and Andrea Puglisi and Vittorio Loreto}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-79951878510&partnerID=65&md5=cdc7034d1003aad153923fb5adf9ca72 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000287482300019&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a http://socialdynamics.it/vittorioloreto/PAPERS/2011/Mukherjee_PLS_ONE_2011.pdf}, year = {2011}, date = {2011-01-01}, journal = {PLOS ONE}, volume = {6(2)}, publisher = {San Francisco, CA : Public Library of Science}, keywords = {baronchelli, language_dynamics, loreto, mukherjee, puglisi, tria}, pubstate = {published}, tppubtype = {article} } |
Loreto, Vittorio; Baronchelli, Andrea; Mukherjee, Animesh; Puglisi, Andrea; Tria, Francesca Statistical physics of language dynamics Journal Article JOURNAL OF STATISTICAL MECHANICS: THEORY AND EXPERIMENT, P04006 , 2011. Links | BibTeX | Tags: baronchelli, language_dynamics, loreto, mukherjee, puglisi, tria @article{b, title = {Statistical physics of language dynamics}, author = {Vittorio Loreto and Andrea Baronchelli and Animesh Mukherjee and Andrea Puglisi and Francesca Tria}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-79955826233&partnerID=65&md5=01b4b20367082bee503a7ba5a2718b9d http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000289995100007&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a http://socialdynamics.it/vittorioloreto/PAPERS/2011/LORETO_JSTAT_2011.pdf}, year = {2011}, date = {2011-01-01}, journal = {JOURNAL OF STATISTICAL MECHANICS: THEORY AND EXPERIMENT}, volume = {P04006}, publisher = {Bristol : IOP Publishing}, keywords = {baronchelli, language_dynamics, loreto, mukherjee, puglisi, tria}, pubstate = {published}, tppubtype = {article} } |
2010 |
Baronchelli, Andrea; Gong, Tao; Puglisi, Aandrea; Loreto, Vittorio Modeling the emergence of universality in color naming patterns Journal Article PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (PNAS), 107 , pp. 2403–2407, 2010. Abstract | Links | BibTeX | Tags: baronchelli, gong, language_dynamics, loreto, puglisi @article{b, title = {Modeling the emergence of universality in color naming patterns}, author = {Andrea Baronchelli and Tao Gong and Aandrea Puglisi and Vittorio Loreto}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77349119009&partnerID=65&md5=6cdcb665c28403d74f0a0437b8e4c0cf http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000274408100011&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a http://socialdynamics.it/vittorioloreto/PAPERS/2010/Baronchelli_PNAS_2010.pdf}, year = {2010}, date = {2010-01-01}, journal = {PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (PNAS)}, volume = {107}, pages = {2403--2407}, publisher = {NATL ACAD SCIENCES}, abstract = {The empirical evidence that human color categorization exhibits some universal patterns beyond superficial discrepancies across different cultures is a major breakthrough in cognitive science. As observed in the World Color Survey (WCS), indeed, any two groups of individuals develop quite different categorization patterns, but some universal properties can be identified by a statistical analysis over a large number of populations. Here, we reproduce the WCS in a numerical model in which different populations develop independently their own categorization systems by playing elementary language games. We find that a simple perceptual constraint shared by all humans, namely the human Just Noticeable Difference (JND), is sufficient to trigger the emergence of universal patterns that unconstrained cultural interaction fails to produce. We test the results of our experiment against real data by performing the same statistical analysis proposed to quantify the universal tendencies shown in the WCS [Kay P & Regier T. (2003) Proc. Natl. Acad. Sci. USA 100: 9085-9089], and obtain an excellent quantitative agreement. This work confirms that synthetic modeling has nowadays reached the maturity to contribute significantly to the ongoing debate in cognitive science.}, keywords = {baronchelli, gong, language_dynamics, loreto, puglisi}, pubstate = {published}, tppubtype = {article} } The empirical evidence that human color categorization exhibits some universal patterns beyond superficial discrepancies across different cultures is a major breakthrough in cognitive science. As observed in the World Color Survey (WCS), indeed, any two groups of individuals develop quite different categorization patterns, but some universal properties can be identified by a statistical analysis over a large number of populations. Here, we reproduce the WCS in a numerical model in which different populations develop independently their own categorization systems by playing elementary language games. We find that a simple perceptual constraint shared by all humans, namely the human Just Noticeable Difference (JND), is sufficient to trigger the emergence of universal patterns that unconstrained cultural interaction fails to produce. We test the results of our experiment against real data by performing the same statistical analysis proposed to quantify the universal tendencies shown in the WCS [Kay P & Regier T. (2003) Proc. Natl. Acad. Sci. USA 100: 9085-9089], and obtain an excellent quantitative agreement. This work confirms that synthetic modeling has nowadays reached the maturity to contribute significantly to the ongoing debate in cognitive science. |
2008 |
Gong, Tao; Puglisi, Andrea; Loreto, Vittorio; Wang, William S -Y Conventionalization of linguistic knowledge under communicative constraints Journal Article BIOLOGICAL THEORY, 3 , pp. 154–163, 2008. BibTeX | Tags: gong, language_dynamics, loreto, puglisi, wang @article{b, title = {Conventionalization of linguistic knowledge under communicative constraints}, author = {Tao Gong and Andrea Puglisi and Vittorio Loreto and William S.-Y. Wang}, year = {2008}, date = {2008-01-01}, journal = {BIOLOGICAL THEORY}, volume = {3}, pages = {154--163}, publisher = {Cambridge, MA, USA, MIT Press Journals}, keywords = {gong, language_dynamics, loreto, puglisi, wang}, pubstate = {published}, tppubtype = {article} } |
Puglisi, Andrea; Baronchelli, Andrea; Loreto, Vittorio Cultural route to the emergence of linguistic categories Journal Article PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (PNAS), 105 , pp. 7936–7939, 2008. Links | BibTeX | Tags: baronchelli, language_dynamics, loreto, puglisi @article{b, title = {Cultural route to the emergence of linguistic categories}, author = {Andrea Puglisi and Andrea Baronchelli and Vittorio Loreto}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-45849101242&partnerID=65&md5=93cf92e119cb5a960d2778c3c697e945 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000256781800008&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a}, year = {2008}, date = {2008-01-01}, journal = {PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (PNAS)}, volume = {105}, pages = {7936--7939}, publisher = {National Academy of Sciences:2101 Constitution Avenue Northwest:Washington, DC 20418:(877)314-2253, (615)377-3322, EMAIL: subspnas@nas.edu, INTERNET: http://www.pnas.org, Fax: (615)377-0525}, keywords = {baronchelli, language_dynamics, loreto, puglisi}, pubstate = {published}, tppubtype = {article} } |
2005 |
Baldassarri, Andrea; Barrat, Alain; D'Anna, Gianfranco; Loreto, Vittorio; Mayor, Patrick; Puglisi, Andrea What is the temperature of a granular medium? Journal Article JOURNAL OF PHYSICS. CONDENSED MATTER, 24 , pp. S2405–S2428, 2005. Links | BibTeX | Tags: baldassarri, barrat, d'anna, granular_media, loreto, mayor, puglisi, statistical_physics @article{b, title = {What is the temperature of a granular medium?}, author = {Andrea Baldassarri and Alain Barrat and Gianfranco D'Anna and Vittorio Loreto and Patrick Mayor and Andrea Puglisi}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-21044433896&partnerID=65&md5=4b3ab620fa27fd3f11495949b3b9091f http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000230654100004&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a}, year = {2005}, date = {2005-01-01}, journal = {JOURNAL OF PHYSICS. CONDENSED MATTER}, volume = {24}, pages = {S2405--S2428}, publisher = {IOP Publishing Limited:Dirac House, Temple Back, Bristol BS1 6BE United Kingdom:011 44 117 9297481, EMAIL: custserv@iop.org, INTERNET: http://www.iop.org, Fax: 011 44 117 9294318}, keywords = {baldassarri, barrat, d'anna, granular_media, loreto, mayor, puglisi, statistical_physics}, pubstate = {published}, tppubtype = {article} } |
2004 |
Barrat, Alain; Loreto, Vittorio; Puglisi, Andrea Temperature probes in binary granular gases Journal Article PHYSICA. A, 334 , pp. 513–523, 2004. Links | BibTeX | Tags: barrat, granular_media, loreto, puglisi, statistical_physics @article{b, title = {Temperature probes in binary granular gases}, author = {Alain Barrat and Vittorio Loreto and Andrea Puglisi}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0742302968&partnerID=65&md5=91a8148f692e6e78831319a3bc079a18 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000189094800012&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a}, year = {2004}, date = {2004-01-01}, journal = {PHYSICA. A}, volume = {334}, pages = {513--523}, publisher = {Elsevier, Amsterdam}, keywords = {barrat, granular_media, loreto, puglisi, statistical_physics}, pubstate = {published}, tppubtype = {article} } |
2002 |
Puglisi, Andrea; Baldassarri, Andrea; Loreto, Vittorio Fluctuation-Dissipation relations in 2D Driven Granular Gases Journal Article PHYSICAL REVIEW E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS, 66 , pp. 061305:1–061305:8, 2002. Links | BibTeX | Tags: baldassarri, granular_media, loreto, puglisi, statistical_physics @article{b, title = {Fluctuation-Dissipation relations in 2D Driven Granular Gases}, author = {Andrea Puglisi and Andrea Baldassarri and Vittorio Loreto}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-34547237074&partnerID=65&md5=98ff5fc1205383f3a344050ff9af3f06, http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000180427000022&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a}, year = {2002}, date = {2002-01-01}, journal = {PHYSICAL REVIEW E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS}, volume = {66}, pages = {061305:1--061305:8}, publisher = {AMERICAN PHYSICAL SOC}, keywords = {baldassarri, granular_media, loreto, puglisi, statistical_physics}, pubstate = {published}, tppubtype = {article} } |
1999 |
Puglisi, Andrea; Loreto, Vittorio; Bettolo, Umberto Marini; Vulpiani, Angelo A kinetic approach to granular gases Journal Article PHYSICAL REVIEW E, 59 , pp. 5582–5582, 1999. Links | BibTeX | Tags: granular_media, loreto, marini bettolo, puglisi, vulpiani @article{b, title = {A kinetic approach to granular gases}, author = {Andrea Puglisi and Vittorio Loreto and Umberto Marini Bettolo and Angelo Vulpiani}, url = {http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000080382900021&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a}, year = {1999}, date = {1999-01-01}, journal = {PHYSICAL REVIEW E}, volume = {59}, pages = {5582--5582}, publisher = {American Institute of Physics}, keywords = {granular_media, loreto, marini bettolo, puglisi, vulpiani}, pubstate = {published}, tppubtype = {article} } |
1998 |
Puglisi, Andrea; Loreto, Vittorio; Bettolo, Umberto Marini; Petri, Alberto; Vulpiani, Angelo Clustering and non-gaussian behavior in granular matter Journal Article PHYSICAL REVIEW LETTERS, 81 , pp. 3848–3848, 1998. BibTeX | Tags: granular_media, loreto, marini bettolo, petri, puglisi, vulpiani @article{b, title = {Clustering and non-gaussian behavior in granular matter}, author = {Andrea Puglisi and Vittorio Loreto and Umberto Marini Bettolo and Alberto Petri and Angelo Vulpiani}, year = {1998}, date = {1998-01-01}, journal = {PHYSICAL REVIEW LETTERS}, volume = {81}, pages = {3848--3848}, keywords = {granular_media, loreto, marini bettolo, petri, puglisi, vulpiani}, pubstate = {published}, tppubtype = {article} } |
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