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ARC2S: Applied Research on Computational Complex Systems

ARC2S: Ricerca Applicata su Sistemi Complessi Computazionali

Staff

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ERC Sectors

PE7_3 - Simulation engineering and modelling
PE7_8 - Networks, e.g. communication networks and nodes, Internet of Things, sensor networks, networks of robots
PE9_16
SH2_1 - Political systems, governance
SH3_12 - Communication and information, networks, media

Activity

Our group's interest is focused on techno-social systems, and on the emergence of complex phenomena and relevant patterns from the many links in social mediaand the Web. Such arcscan connect users, resources, annotations, and other information in apparently unpredictable ways, even if some kind of order may appear from the chaos, and a complex reality can be simplified, understood and governed.

The impact that these issues have on our research is two-fold: first of all, we look for computational models that can help the research community to deal with such complexity. Moreover, once a pattern is understood and some prediction can be made, then the findings can be exploited in terms of new servicesand ground-breaking applications.
We stay on the shoulder of giants: the way how great minds like L. Kleinrock, V. Cerf, R. Kahn, and other fathers of modern computer networks, taught us how to govern the Internetis inspiring. In fact, much before the Internet was going to explode in millions of hosts around the world, they established a set of rules and protocols to let it evolve in almost a limitless way. However, these efforts to govern this complex technological network cannot misinterpreted as attempts to manipulate the Internetand its users.

We are looking for rules, applications, and technologies that can improve our social lives without giving up our freedom, right to privacy, and quality of services.

Giancarlo Ruffo

+ 39 011 670 6771

ruffo@di.unito.it

Publications

Francesco Bergadano, Roberto Bertilone, Daniela Paolotti, Giancarlo Ruffo (2021)
Developing Real Estate Automated Valuation Models by Learning from Heterogeneous Data Sources.
https://iris.unito.it/handle/2318/1792196

Urbinati, Alessandra, Galimberti, Edoardo, Ruffo, Giancarlo (2021)
Measuring scientific brain drain with hubs and authorities: A dual perspective.
https://iris.unito.it/handle/2318/1810644

Semeraro A , Vilella S , Ruffo G (2021)
PyPlutchik: Visualising and comparing emotion-annotated corpora.
https://iris.unito.it/handle/2318/1802692

Capozzi, Arthur, Lai, Mirko, Basile, Valerio, Poletto, Fabio, Sanguinetti, Manuela, Bosco, Cristina, Patti, Viviana, Ruffo, Giancarlo, Musto, Cataldo, Polignano, Marco, Semeraro, Giovanni, Stranisci, Marco (2020)
“Contro L’Odio”: A Platform for Detecting, Monitoring and Visualizing Hate Speech against Immigrants in Italian Social Media.
https://iris.unito.it/handle/2318/1784913

Lai, Mirko, Patti, Viviana, Ruffo, Giancarlo, Rosso, Paolo, (2020)
#Brexit: Leave or remain? the role of user’s community and diachronic evolution on stance detection.
https://iris.unito.it/handle/2318/1747046

Giancarlo Ruffo, , , Marcella Tambuscio (2020)
Capire la diffusione della disinformazione e come contrastarla.
https://iris.unito.it/handle/2318/1737723

Semeraro, Alfonso, Tambuscio, Marcella, Ronchiadin, Silvia, Li Puma, Laura, Ruffo, Giancarlo (2020)
Structural inequalities emerging from a large wire transfers network.
https://iris.unito.it/handle/2318/1758320

Vilella, Salvatore, Lai, Mirko, Paolotti, Daniela, Ruffo, Giancarlo (2020)
Immigration as a Divisive Topic: Clusters and Content Diffusion in the Italian Twitter Debate.
https://iris.unito.it/handle/2318/1758567

Vilella, Salvatore, Paolotti, Daniela, Ruffo, Giancarlo, Ferres, Leo (2020)
News and the city: understanding online press consumption patterns through mobile data.
https://iris.unito.it/handle/2318/1737878

Tambuscio, Marcella, Ruffo, Giancarlo (2019)
Fact-checking strategies to limit urban legends spreading in a segregated society.
https://iris.unito.it/handle/2318/1718528

Capozzi A T E , Lai M , Basile V , Poletto F , Sanguinetti M , Bosco C , Patti V , Ruffo G , Musto C , Polignano M , Semeraro G , Stranisci M (2019)
Computational linguistics against hate: Hate speech detection and visualization on social media in the "Contro L’Odio" project.
https://iris.unito.it/handle/2318/1717637

Galimberti, Edoardo, Madeddu, Chiara, Bonchi, Francesco, Ruffo, Giancarlo (2019)
Visualizing Structural Balance in Signed Networks.
https://iris.unito.it/handle/2318/1717830

Francesco Bonchi, Edoardo Galimberti, Aristides Gionis, Bruno Ordozgoiti, Giancarlo Ruffo (2019)
Discovering Polarized Communities in Signed Networks.
https://iris.unito.it/handle/2318/1716820

Lai Mirko, Tambuscio Marcella, Patti Viviana, Ruffo Giancarlo, Rosso Paolo (2019)
Stance polarity in political debates: A diachronic perspective of network homophily and conversations on Twitter.
https://iris.unito.it/handle/2318/1714126

Marcella Tambuscio, Diego FM Oliveira, Giovanni Luca Ciampaglia, Giancarlo Ruffo (2018)
Network segregation in a model of misinformation and fact-checking.
https://iris.unito.it/handle/2318/1684058

Rapp, Amon*, Marcengo, Alessandro, Buriano, Luca, Ruffo, Giancarlo, Lai, Mirko, Cena, Federica (2018)
Designing a personal informatics system for users without experience in self-tracking: a case study.
https://iris.unito.it/handle/2318/1661687

Mirko Lai, Viviana Patti, Giancarlo Ruffo, Paolo Rosso (2018)
Stance Evolution and Twitter Interactions in an Italian Political Debate.
https://iris.unito.it/handle/2318/1669103

Arthur T E Capozzi, Viviana Patti, Giancarlo Ruffo, Cristina Bosco (2018)
A Data Viz Platform as a Support to Study, Analyze and Understand the Hate Speech Phenomenon.
https://iris.unito.it/handle/2318/1684057

Mirko Lai, Marcella Tambuscio, Viviana Patti, Giancarlo Ruffo, Paolo Rosso (2017)
Extracting Graph Topological Information and Users’ Opinion.
https://iris.unito.it/handle/2318/1652430

Bosco, Cristina, Patti, Viviana, Bogetti, Marcello, Conoscenti, Michelangelo, Ruffo, Giancarlo Francesco, Schifanella, Rossano, Stranisci, Marco (2017)
Tools and Resources for Detecting Hate and Prejudice against Immigrants in Social Media.
https://iris.unito.it/handle/2318/1637776

Sulis, Emilio, Hernández Farías, Delia Irazú, Rosso, Paolo, Patti, Viviana, Ruffo, Giancarlo (2016)
Figurative messages and affect in Twitter: Differences between #irony, #sarcasm and #not.
https://iris.unito.it/handle/2318/1606921

Hernandez Farias, Delia Irazu, Sulis, Emilio, Patti, Viviana, Ruffo, Giancarlo, Bosco, Cristina (2015)
ValenTo: Sentiment Analysis of Figurative Language Tweets with Irony and Sarcasm.
https://iris.unito.it/handle/2318/1521357

Tambuscio, Marcella, Ruffo, Giancarlo, Flammini, Alessandro, Menczer, Filippo (2015)
Fact-checking Effect on Viral Hoaxes.
https://iris.unito.it/handle/2318/1557768

Bosco, Cristina, Allisio, Leonardo, Mussa, V , Patti, Viviana, Ruffo, Giancarlo Francesco, Sanguinetti, Manuela, Sulis, Emilio (2014)
Detecting Happiness in Italian Tweets: Towards an Evaluation Dataset for Sentiment Analysis in Felicittà.
https://iris.unito.it/handle/2318/146318

Manuela Sanguinetti, Emilio Sulis, Viviana Patti, Giancarlo Ruffo, Leonardo Allisio, Valeria Mussa, Cristina Bosco (2014)
Developing corpora and tools for sentiment analysis: the experience of the University of Turin group.
https://iris.unito.it/handle/2318/154468

Tursi, Gianluca, Deplano, Martina, Ruffo, Giancarlo (2014)
AIRCacher: Virtual Geocaching Powered with Augmented Reality.
https://iris.unito.it/handle/2318/1558695

L Allisio, V Mussa, G Ruffo, C Bosco, V Patti (2013)
Felicittà.
https://iris.unito.it/handle/2318/146452

Allisio, Leonardo, Mussa, Valeria, Bosco, Cristina, Patti, Viviana, Ruffo, Giancarlo Francesco (2013)
Felicittà: Visualizing and Estimating Happiness in Italian Cities from Geotagged Tweets.
https://iris.unito.it/handle/2318/146317

Martina Deplano, Giancarlo Ruffo (2013)
GWAP as a Tool to Analyze, Design, and Test Geo-Social Systems.
https://iris.unito.it/handle/2318/130514

L M Aiello, M Deplano, R Schifanella, G Ruffo (2012)
People are Strange when you’re a Stranger: Impact and Influence of Bots on Social Networks.
https://iris.unito.it/handle/2318/106214

Ugo Pagallo, Giancarlo Ruffo (2012)
Peer-to-peer.
https://iris.unito.it/handle/2318/99105

G Ruffo (2012)
Rete e Reti.
https://iris.unito.it/handle/2318/106850

Luca M Aiello, Alain Barrat, Ciro Cattuto, Rossano Schifanella, Giancarlo Ruffo (2012)
Link creation and information spreading over social and communication ties in an interest-based online social network.
https://iris.unito.it/handle/2318/131868

L M Aiello, G Ruffo (2012)
LotusNet: Tunable privacy for distributed online social network services.
https://iris.unito.it/handle/2318/98627

R Schifanella, G Ruffo (2011)
SocRec.
https://iris.unito.it/handle/2318/96471

A Panisson, R Schifanella, G Ruffo (2011)
X-Hinter.
https://iris.unito.it/handle/2318/95973

A Panisson, R Schifanella, G Ruffo, S Spoto (2011)
MobHinter.
https://iris.unito.it/handle/2318/96753

L M Aiello, M Milanesio, G Ruffo, R Schifanella (2011)
An identity-based approach to secure P2P applications with Likir.
https://iris.unito.it/handle/2318/94930

A Basso, M Milanesio, A Panisson, G Ruffo (2011)
On Collaborative Filtering Techniques for Live TV and Radio Discovery and Recommendation.
https://iris.unito.it/handle/2318/94011

A Panisson, A Barrat, C Cattuto, W Van den Broeck, G Ruffo, R Schifanella (2011)
On the Dynamics of Human Proximity for Data Diffusion in Ad-Hoc Networks.
https://iris.unito.it/handle/2318/96474

R Schifanella, L M Aiello, G Ruffo (2011)
Tagging relations to achieve complex search goals.
https://iris.unito.it/handle/2318/97198

Alessandro Basso, Marco Milanesio, Andre', Panisson, Giancarlo Ruffo (2010)
From Recordings to Recommendations: Suggesting Live Events in the DVR Context.
https://iris.unito.it/handle/2318/83536

Luca Maria Aiello, Marco Milanesio, Giancarlo Ruffo, Rossano Schifanella (2010)
Tagging with DHARMA, a DHT-based approach for resource mapping through approximation.
https://iris.unito.it/handle/2318/86507

Luca Maria Aiello, Alain Barrat, Ciro Cattuto, Giancarlo Ruffo, Rossano Schifanella (2010)
Link Creation and Profile Alignment in the aNobii Social Network.
https://iris.unito.it/handle/2318/84494

G Ruffo, L M Aiello (2010)
Secure and flexible framework for decentralized social network services.
https://iris.unito.it/handle/2318/80982

A Glorioso, U Pagallo, G Ruffo (2010)
The Social Impact of P2P Systems.
https://iris.unito.it/handle/2318/70071

S Lian, D Kanellopoulos, G Ruffo (2009)
Recent Advances in Multimedia Information System Security.
https://iris.unito.it/handle/2318/130772

A Basso, M Milanesio, A Panisson, R Schifanella, G Ruffo (2009)
RD-PVR: Recommendation and Discovery for Personal Video Recorder.
https://iris.unito.it/handle/2318/96755

G Ruffo (2009)
Privacy on Demand: a Difficult Chal lenge in a Highly Connected World.
https://iris.unito.it/handle/2318/69662

S Lian, D Kanellopoulos, G Ruffo (2009)
Informatica Journal of Computing and Informatics (Special Issue in Multimedia Information System Secu- rity).
https://iris.unito.it/handle/2318/69380

Menczer, F and Cattuto, C and Ruffo, G and Brusilovsky, P and Gena, C and Hotho, A and Loreto, V and Bernstein, M and Pizzo, A (2009)
Proceedings of the 20th ACM Conference on Hypertext and Hypermedia, HT'09: Foreword.
https://iris.unito.it/handle/2318/122521

F Menczer, C Cattuto, G Ruffo (2009)
HT 2009, Proceedings of the 20th International Conference on Hypertext and Hypermedia.
https://iris.unito.it/handle/2318/70070

L Benussi, C Blengino, A Glorioso, G Ramello, G Ruffo, M Travostino (2009)
Copyright digitale.
https://iris.unito.it/handle/2318/69475

G RUFFO, R SCHIFANELLA (2009)
A Peer-to-Peer Recommender System Based on Spontaneous Affinities.
https://iris.unito.it/handle/2318/59958

A Basso, M Milanesio, G Ruffo (2009)
Events discovery for personal video recorders.
https://iris.unito.it/handle/2318/70072

L M Aiello, R Schifanella, G Ruffo, M Milanesio (2008)
Likir: Layered Identity-based Kademlia InfRastructure.
https://iris.unito.it/handle/2318/97013

R Schifanella, A Panisson, G Ruffo (2008)
DeHinter: A Social-oriented Peer-to-Peer Recommender System.
https://iris.unito.it/handle/2318/97012

A Panisson, G Ruffo, R Schifanella (2008)
X-hinter: a framework for implementing social oriented recommender systems.
https://iris.unito.it/handle/2318/70880

L M AIELLO, M MILANESIO, G RUFFO, R SCHIFANELLA (2008)
Tempering Kademlia with a Robust Identity Based System.
https://iris.unito.it/handle/2318/60029

R SCHIFANELLA, A PANISSON, C GENA, G RUFFO (2008)
MobHinter: Epidemic Collaborative Filtering and Self-Organization in Mobile Ad-Hoc Networks.
https://iris.unito.it/handle/2318/56487

M MILANESIO, G RUFFO, R SCHIFANELLA (2007)
A Totally Distributed Iterative Scheme for Web Services Addressing and Discovery.
https://iris.unito.it/handle/2318/27307

G RUFFO (2007)
Peer-to-Peer Market Places: Technical Issues and Revenue Models.
https://iris.unito.it/handle/2318/28991

U PAGALLO, G RUFFO (2007)
P2P Systems in Legal Networks: Another "Small World" Case.
https://iris.unito.it/handle/2318/28981

G RUFFO, R SCHIFANELLA (2007)
FairPeers: Efficient Profit Sharing in Fair Peer-to-Peer Market Places.
https://iris.unito.it/handle/2318/36968

G RUFFO, R SCHIFANELLA (2007)
Evaluating Peer-to-Peer Recommender Systems that Exploit Spontaneous Affinities.
https://iris.unito.it/handle/2318/27308

M MILANESIO, G RUFFO (2007)
Iterative Key Based Routing for Web Services Addressing and Discovery.
https://iris.unito.it/handle/2318/28990

G BALLOCCA, R POLITI, G RUFFO, R SCHIFANELLA (2006)
Integrated Techniques and Tools for Web Mining, User Profiling and Benchmarking analysis.
https://iris.unito.it/handle/2318/28685

G RUFFO, F BERGADANO, A MANTELERO, G SARTOR (2006)
Privacy Digitale: Giuristi ed Informatici a Confronto.
https://iris.unito.it/handle/2318/28815

G RUFFO, M MILANESIO (2006)
Publishing, Retrieving and Streaming Lectures via Application.
https://iris.unito.it/handle/2318/28767

G RUFFO, M MILANESIO, F RICCHIUTI, D ALBERTIN (2006)
Accessing and Distributing Streaming Events on DHT-based Systems.
https://iris.unito.it/handle/2318/28768

G RUFFO, R SCHIFANELLA, E GHIRINGHELLO (2006)
A Decentralized Recommendation System based on Self-Organizing Partnerships.
https://iris.unito.it/handle/2318/27309

D GUNETTI, C PICARDI, G RUFFO (2005)
Keystroke Analysis of Different Languages: a Case Study.
https://iris.unito.it/handle/2318/1747

G RUFFO, R SCHIFANELLA (2005)
Scalability Evaluation of a Peer-to-Peer Market Place based on Micro-Payments.
https://iris.unito.it/handle/2318/27312

D GUNETTI, C PICARDI, G RUFFO (2005)
Dealing with Different Languages and Old Profiles in Keystroke Analysis of Free Text.
https://iris.unito.it/handle/2318/7898

D CATALANO, G RUFFO, R SCHIFANELLA (2005)
A P2P Market Place Based on Aggregate Signatures.
https://iris.unito.it/handle/2318/27310

F BERGADANO, G RUFFO (2005)
EnFilter: a Password Enforcement and Filter.
https://iris.unito.it/handle/2318/28776

Tag: complex networks; computational social science; data science; network science; network analysis; social media; information retrieval

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