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  1. Content type: Regular article

    Traded corporations are required by law to have a majority of outside directors on their board. This requirement allows the existence of directors who sit on the board of two or more corporations at the same t...

    Authors: Serguei Saavedra, Luis J Gilarranz, Rudolf P Rohr, Michael Schnabel, Brian Uzzi and Jordi Bascompte

    Citation: EPJ Data Science 2014 3:30

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  2. Content type: Regular article

    The Internet has unleashed the capacity for planetary-scale collective problem solving (also known as crowdsourcing), with ever increasing successful examples. A key hypothesis behind crowdsourcing is that, at...

    Authors: Nicolas Stefanovitch, Aamena Alshamsi, Manuel Cebrian and Iyad Rahwan

    Citation: EPJ Data Science 2014 3:13

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  3. Content type: Research

    One might think that, compared to traditional media, social media sites allow people to choose more freely what to read and what to share, especially for politically oriented news. However, reading and sharing...

    Authors: Jisun An, Daniele Quercia, Meeyoung Cha, Krishna Gummadi and Jon Crowcroft

    Citation: EPJ Data Science 2014 3:12

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  4. Content type: Regular article

    We present a novel algorithm and validation method for disambiguating author names in very large bibliographic data sets and apply it to the full Web of Science (WoS) citation index. Our algorithm relies only ...

    Authors: Christian Schulz, Amin Mazloumian, Alexander M Petersen, Orion Penner and Dirk Helbing

    Citation: EPJ Data Science 2014 3:11

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  5. Content type: Regular article

    We address the question to what extent the success of scientific articles is due to social influence. Analyzing a data set of over 100,000 publications from the field of Computer Science, we study how centrali...

    Authors: Emre Sarigöl, René Pfitzner, Ingo Scholtes, Antonios Garas and Frank Schweitzer

    Citation: EPJ Data Science 2014 3:9

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  6. Content type: Regular article

    Privacy is ever-growing concern in our society and is becoming a fundamental aspect to take into account when one wants to use, publish and analyze data involving human personal sensitive information. Unfortun...

    Authors: Anna Monreale, Salvatore Rinzivillo, Francesca Pratesi, Fosca Giannotti and Dino Pedreschi

    Citation: EPJ Data Science 2014 3:10

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  7. Content type: Regular article

    Social groups play a crucial role in online social media because they form the basis for user participation and engagement. Although widely studied in their static and evolutionary aspects, no much attention h...

    Authors: David Martin-Borregon, Luca Maria Aiello, Przemyslaw Grabowicz, Alejandro Jaimes and Ricardo Baeza-Yates

    Citation: EPJ Data Science 2014 3:8

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  8. Content type: Regular article

    Wikipedia is a prime example of today’s value production in a collaborative environment. Using this example, we model the emergence, persistence and resolution of severe conflicts during collaboration by coupl...

    Authors: Gerardo Iñiguez, János Török, Taha Yasseri, Kimmo Kaski and János Kertész

    Citation: EPJ Data Science 2014 3:7

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  9. Content type: Regular article

    This study leverages mobile phone data to analyze human mobility patterns in a developing nation, especially in comparison to those of a more industrialized nation. Developing regions, such as the Ivory Coast,...

    Authors: Alexander Amini, Kevin Kung, Chaogui Kang, Stanislav Sobolevsky and Carlo Ratti

    Citation: EPJ Data Science 2014 3:6

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  10. Content type: Regular article

    Evolution of online social networks is driven by the need of their members to shareand consume content, resulting in a complex interplay between individual activity andattention received from others. In a cont...

    Authors: Carmen Vaca Ruiz, Luca Maria Aiello and Alejandro Jaimes

    Citation: EPJ Data Science 2014 3:5

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  11. Content type: Regular article

    The newly released Orange D4D mobile phone data base provides new insights into the use of mobile technology in a developing country. Here we perform a series of spatial data analyses that reveal important geo...

    Authors: Vsevolod Salnikov, Daniel Schien, Hyejin Youn, Renaud Lambiotte and Michael T Gastner

    Citation: EPJ Data Science 2014 3:3

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  12. Content type: Regular article

    Using open source data, we observe the fascinating dynamics of nighttime light. Following a global economic regime shift, the planetary center of light can be seen moving eastwards at a pace of about 60 km per...

    Authors: Peter Cauwels, Nicola Pestalozzi and Didier Sornette

    Citation: EPJ Data Science 2014 3:2

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  13. Content type: Regular article

    City-scale mass gatherings attract hundreds of thousands of pedestrians. These pedestrians need to be monitored constantly to detect critical crowd situations at an early stage and to mitigate the risk that si...

    Authors: Martin Wirz, Tobias Franke, Daniel Roggen, Eve Mitleton-Kelly, Paul Lukowicz and Gerhard Tröster

    Citation: EPJ Data Science 2013 2:5

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  14. Content type: Regular article

    The paper presents an analysis of the length of comments posted in Internet discussion fora, based on a collection of large datasets from several sources. We found that despite differences in the forum languag...

    Authors: Pawel Sobkowicz, Mike Thelwall, Kevan Buckley, Georgios Paltoglou and Antoni Sobkowicz

    Citation: EPJ Data Science 2013 2:2

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  15. Content type: Regular article

    Complex dynamics of social media emerge from the interaction between the patterns of social connectivity of users and the information exchanged along such social ties. Unveiling the underlying mechanisms that ...

    Authors: Luca Maria Aiello, Alain Barrat, Ciro Cattuto, Rossano Schifanella and Giancarlo Ruffo

    Citation: EPJ Data Science 2012 1:12

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  16. Content type: Regular article

    We analyse a large data set of genetic markers obtained from populations of Cymodocea nodosa, a marine plant occurring from the East Mediterranean to the Iberian-African coasts in the Atlantic Ocean. We fully dev...

    Authors: A Paolo Masucci, Sophie Arnaud-Haond, Víctor M Eguíluz, Emilio Hernández-García and Ester A Serrão

    Citation: EPJ Data Science 2012 1:11

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  17. Content type: Regular article

    We study spatiotemporal correlations and temporal diversities of handset-based service usages by analyzing a dataset that includes detailed information about locations and service usages of 124 users over 16 m...

    Authors: Hang-Hyun Jo, Márton Karsai, Juuso Karikoski and Kimmo Kaski

    Citation: EPJ Data Science 2012 1:10

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  18. Content type: Regular article

    Understanding social dynamics that govern human phenomena, such as communications and social relationships is a major problem in current computational social sciences. In particular, given the unprecedented succe...

    Authors: Emilio Ferrara

    Citation: EPJ Data Science 2012 1:9

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  19. Content type: Regular article

    We present a contribution to the debate on the predictability of social events using big data analytics. We focus on the elimination of contestants in the American Idol TV shows as an example of a well defined...

    Authors: Fabio Ciulla, Delia Mocanu, Andrea Baronchelli, Bruno Gonçalves, Nicola Perra and Alessandro Vespignani

    Citation: EPJ Data Science 2012 1:8

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  20. Content type: Regular article

    We examine partisan differences in the behavior, communication patterns and social interactions of more than 18,000 politically-active Twitter users to produce evidence that points to changing levels of partis...

    Authors: Michael D Conover, Bruno Gonçalves, Alessandro Flammini and Filippo Menczer

    Citation: EPJ Data Science 2012 1:6

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  21. Content type: Regular article

    Online social media provide multiple ways to find interesting content. One important method is highlighting content recommended by user’s friends. We examine this process on one such site, the news aggregator ...

    Authors: Tad Hogg and Kristina Lerman

    Citation: EPJ Data Science 2012 1:5

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  22. Content type: Regular article

    Complex networks are often constructed by aggregating empirical data over time, such that a link represents the existence of interactions between the endpoint nodes and the link weight represents the intensity...

    Authors: Gautier Krings, Márton Karsai, Sebastian Bernhardsson, Vincent D Blondel and Jari Saramäki

    Citation: EPJ Data Science 2012 1:4

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  23. Content type: Regular article

    We show that the frequency of word use is not only determined by the word length [1] and the average information content [2], but also by its emotional content. We have analyzed three established lexica of aff...

    Authors: David Garcia, Antonios Garas and Frank Schweitzer

    Citation: EPJ Data Science 2012 1:3

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  24. Content type: Regular article

    A main characteristic of social media is that its diverse content, copiously generated by both standard outlets and general users, constantly competes for the scarce attention of large audiences. Out of this f...

    Authors: Chunyan Wang and Bernardo A Huberman

    Citation: EPJ Data Science 2012 1:2

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