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David Laniado
Eurecat-Centre Tecnològic de Catalunya, Carrer de Bilbao, 72, 08005 Barcelona, Spain

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Journal article
Published: 17 May 2021 in Área Abierta
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About a quarter of each Wikipedia language edition is dedicated to representing “local content”, i.e. the corresponding cultural context (geographical places, historical events, political figures, among others). To investigate the relevance of such content for users and communities, we present an analysis of reader and editor engagement in terms of pageviews and edits. The results, consistent across 15 diverse language editions, show that these articles are more engaging for readers, and especially for editors. The highest proportion of edits on cultural context content is generated by anonymous users, and also administrators engage proportionally more than plain registered editors. In fact, looking at the first week of activity of every editor in the community, administrators already engage proportionally more than other editors in content representing their cultural context. These findings indicate the relevance of this kind of content both for fulfilling readers' informational needs and stimulating the dynamics of the editing community.

ACS Style

Marc Miquel Ribé; David Laniado; Andreas Kaltenbrunner. The Role of Local Content in Wikipedia: A Study on Reader and Editor Engagement. Área Abierta 2021, 21, 123 -151.

AMA Style

Marc Miquel Ribé, David Laniado, Andreas Kaltenbrunner. The Role of Local Content in Wikipedia: A Study on Reader and Editor Engagement. Área Abierta. 2021; 21 (2):123-151.

Chicago/Turabian Style

Marc Miquel Ribé; David Laniado; Andreas Kaltenbrunner. 2021. "The Role of Local Content in Wikipedia: A Study on Reader and Editor Engagement." Área Abierta 21, no. 2: 123-151.

Journal article
Published: 07 May 2021 in Sustainability
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Within the objectives of the H2020 DIAMOND project, the paper investigates women’s needs and expectations as users of the bike-sharing service managed by Syndicat Mixte Autolib et Velib Métropole in the territory of Paris Region-Petite Couronne (France). The paper presents a thematic literature review focused on gender inclusion in bike-sharing schemes. The proposed methodological approach is based on (i) Geographic Information Systems for the analysis of geolocated open datasets related to land, sociodemographic and mobility characteristics of the areas surrounding each docking stations. This was aimed at identifying a short list of suitable bike-sharing docking stations, which were further characterized through: (ii) structured proprietary data focused on travel demand; (iii) onsite observations focused on universal design indicators; (iv) survey questionnaires focused on women’s concerns, needs and expectations; and (v) social media data from Twitter focused on the opinion of the end-users. Results showed that women use the VELIB’s bike-sharing service much less than men (about 30% of the total number of users), since they are more concerned about the following issues: accessibility (e.g., availability of bikes at the docking stations, distance to the nearest station, type and quality of the cycle paths); safety and security (e.g., perception of danger and insecurity while cycling and using the current bicycle infrastructures); social constraints (e.g., perceptions and cultural stigmatization associated with cycling and bike-sharing); weather and topography (e.g., impact of weather and the urban terrain on cycling and bike-sharing). The final aim of the H2020 DIAMOND project is to support the definition of guidelines and policies for the inclusion of women’s needs in the design of future bike-sharing services.

ACS Style

Andrea Gorrini; Rawad Choubassi; Federico Messa; Wafaa Saleh; Augustus Ababio-Donkor; Maria Leva; Lorraine D’Arcy; Francesco Fabbri; David Laniado; Pablo Aragón. Unveiling Women’s Needs and Expectations as Users of Bike Sharing Services: The H2020 DIAMOND Project. Sustainability 2021, 13, 5241 .

AMA Style

Andrea Gorrini, Rawad Choubassi, Federico Messa, Wafaa Saleh, Augustus Ababio-Donkor, Maria Leva, Lorraine D’Arcy, Francesco Fabbri, David Laniado, Pablo Aragón. Unveiling Women’s Needs and Expectations as Users of Bike Sharing Services: The H2020 DIAMOND Project. Sustainability. 2021; 13 (9):5241.

Chicago/Turabian Style

Andrea Gorrini; Rawad Choubassi; Federico Messa; Wafaa Saleh; Augustus Ababio-Donkor; Maria Leva; Lorraine D’Arcy; Francesco Fabbri; David Laniado; Pablo Aragón. 2021. "Unveiling Women’s Needs and Expectations as Users of Bike Sharing Services: The H2020 DIAMOND Project." Sustainability 13, no. 9: 5241.

Preprint
Published: 23 January 2019
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In this paper we present the Wikipedia Cultural Diversity dataset. For each existing Wikipedia language edition, the dataset contains a classification of the articles that represent its associated cultural context, i.e. all concepts and entities related to the language and to the territories where it is spoken. We describe the methodology we employed to classify articles, and the rich set of features that we defined to feed the classifier, and that are released as part of the dataset. We present several purposes for which we envision the use of this dataset, including detecting, measuring and countering content gaps in the Wikipedia project, and encouraging cross-cultural research in the field of digital humanities.

ACS Style

Marc Miquel-Ribé; David Laniado. Wikipedia Cultural Diversity Dataset: A Complete Cartography for 300 Language Editions. 2019, 1 .

AMA Style

Marc Miquel-Ribé, David Laniado. Wikipedia Cultural Diversity Dataset: A Complete Cartography for 300 Language Editions. . 2019; ():1.

Chicago/Turabian Style

Marc Miquel-Ribé; David Laniado. 2019. "Wikipedia Cultural Diversity Dataset: A Complete Cartography for 300 Language Editions." , no. : 1.

Journal article
Published: 18 September 2017 in Computational Social Networks
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The emerging grassroots party Barcelona en Comú won the 2015 Barcelona City Council election. This candidacy was devised by activists involved in the Spanish 15M movement to transform citizen outrage into political change. On the one hand, the 15M movement was based on a decentralized structure. On the other hand, political science literature postulates that parties develop oligarchical leadership structures. This tension motivates to examine whether Barcelona en Comú preserved a decentralized structure or adopted a conventional centralized organization. In this study we develop a computational methodology to characterize the online network organization of every party in the election campaign on Twitter. Results on the network of retweets reveal that, while traditional parties are organized in a single cluster, for Barcelona en Comú two well-defined groups co-exist: a centralized cluster led by the candidate and party accounts, and a decentralized cluster with the movement activists. Furthermore, results on the network of replies also shows a dual structure: a cluster around the candidate receiving the largest attention from other parties, and another with the movement activists exhibiting a higher predisposition to dialogue with other parties.

ACS Style

Pablo Aragón; Helena Gallego; David Laniado; Yana Volkovich; Andreas Kaltenbrunner. Online network organization of Barcelona en Comú, an emergent movement-party. Computational Social Networks 2017, 4, 8 .

AMA Style

Pablo Aragón, Helena Gallego, David Laniado, Yana Volkovich, Andreas Kaltenbrunner. Online network organization of Barcelona en Comú, an emergent movement-party. Computational Social Networks. 2017; 4 (1):8.

Chicago/Turabian Style

Pablo Aragón; Helena Gallego; David Laniado; Yana Volkovich; Andreas Kaltenbrunner. 2017. "Online network organization of Barcelona en Comú, an emergent movement-party." Computational Social Networks 4, no. 1: 8.

Conference paper
Published: 02 September 2017 in Privacy Enhancing Technologies
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In the 2010 decade, Spanish politics have transitioned from bipartidism to multipartidism. This change led to an unstable situation which eventually led to the rare scenario of two general elections within six months. The two elections had a mayor difference: two important left-wing parties formed a coalition in the second election while they had run separately in the first one. In the second election and after merging, the coalition lost around 1M votes, contradicting opinion polls. In this study, we perform community analysis of the retweet networks of the online campaigns to assess whether activity in Twitter reflects the outcome of both elections. The results show that the left-wing parties lost more online supporters than the other parties. Furthermore, we find that Twitter activity of the supporters unveils a decrease in engagement especially marked for the smaller party in the coalition, in line with post-electoral traditional polls.

ACS Style

Helena Gallego; David Laniado; Andreas Kaltenbrunner; Vicenç Gómez; Pablo Aragon. Lost in Re-Election: A Tale of Two Spanish Online Campaigns. Privacy Enhancing Technologies 2017, 10540, 355 -367.

AMA Style

Helena Gallego, David Laniado, Andreas Kaltenbrunner, Vicenç Gómez, Pablo Aragon. Lost in Re-Election: A Tale of Two Spanish Online Campaigns. Privacy Enhancing Technologies. 2017; 10540 ():355-367.

Chicago/Turabian Style

Helena Gallego; David Laniado; Andreas Kaltenbrunner; Vicenç Gómez; Pablo Aragon. 2017. "Lost in Re-Election: A Tale of Two Spanish Online Campaigns." Privacy Enhancing Technologies 10540, no. : 355-367.

Article
Published: 15 August 2017 in Information Systems Frontiers
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Online social networking services entice millions of users to spend hours every day interacting with each other. The focus of this work is to explain the effect that geographic distance has on online social interactions and, simultaneously, to understand the interplay between the social characteristics of friendship ties and their spatial properties. We analyze data from a large-scale online social network, Tuenti, with about 10 million active users: our sample includes user profiles, user home locations and online social interactions among Tuenti members. Our findings support the idea that spatial distance constraints whom users interact with, but not the intensity of their social interactions. Furthermore, friendship ties belonging to denser connected groups tend to arise at shorter spatial distances than social ties established between members belonging to different groups. Finally, we show that our findings mostly do not depend on the age of the users, although younger users seem to be slightly more constrained to shorter geographic distances. Augmenting social structure with geographic information adds a new dimension to social network analysis and a large number of theoretical investigations and practical applications can be pursued for online social systems, with many promising outcomes. As the amount of available location-based data is increasing, our findings and results open the door to future possibilities: researchers would benefit from these insights when studying online social services, while developers should be aware of these additional possibilities when building systems and applications related to online social platforms.

ACS Style

David Laniado; Yana Volkovich; Salvatore Scellato; Cecilia Mascolo; Andreas Kaltenbrunner. The Impact of Geographic Distance on Online Social Interactions. Information Systems Frontiers 2017, 20, 1203 -1218.

AMA Style

David Laniado, Yana Volkovich, Salvatore Scellato, Cecilia Mascolo, Andreas Kaltenbrunner. The Impact of Geographic Distance on Online Social Interactions. Information Systems Frontiers. 2017; 20 (6):1203-1218.

Chicago/Turabian Style

David Laniado; Yana Volkovich; Salvatore Scellato; Cecilia Mascolo; Andreas Kaltenbrunner. 2017. "The Impact of Geographic Distance on Online Social Interactions." Information Systems Frontiers 20, no. 6: 1203-1218.

Journal article
Published: 14 April 2017 in Journal on Computing and Cultural Heritage
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The online encyclopedia Wikipedia is both a cultural reference to store, refer to, and organize digitized and digital information, as well as a key contemporary digital heritage endeavor in itself. Capitalizing on this dual nature of the project, this article introduces Wikipedia as a digital gateway to and site of an active engagement with cultural heritage. We have developed the open source and freely available analysis architecture Contropedia to examine already existing volunteer user-generated participation around cultural heritage and to promote further engagement with it. Conceptually, we employ the notion of memory work, as it helps to treat Wikipedia's articles, edit histories, and discussion pages as a rich resource to study how cultural heritage is received and (re)worked in and across languages and cultures. Contropedia's architecture allows for the study of the negotiations around and appreciation of cultural heritage without assuming an unchallenged and universal understanding of cultural heritage. The analysis facilitated by Contropedia thus sheds light on the contentious articulation of perspectives on tangible and intangible heritage grounded by conflicting conceptions of events, ideas, places, or persons. Technologically, Contropedia combines techniques based on mining article edit histories and analyzing discussion patterns in talk pages to identify and visualize heritage-related disputes within an article, and to compare these across language versions. In terms of digital heritage, Contropedia presents a powerful tool that opens up a core resource to cultural heritage studies. Moreover, it can form part of a conceptually grounded, technically advanced, and practically enrolled infrastructure for public education that opens up the dynamic formation of both knowledge about cultural heritage and new forms of digital cultural heritage that show a considerable amount of friction.

ACS Style

Christian Pentzold; Esther Weltevrede; Michele Mauri; David Laniado; Andreas Kaltenbrunner; Erik Borra. Digging Wikipedia. Journal on Computing and Cultural Heritage 2017, 10, 1 -19.

AMA Style

Christian Pentzold, Esther Weltevrede, Michele Mauri, David Laniado, Andreas Kaltenbrunner, Erik Borra. Digging Wikipedia. Journal on Computing and Cultural Heritage. 2017; 10 (1):1-19.

Chicago/Turabian Style

Christian Pentzold; Esther Weltevrede; Michele Mauri; David Laniado; Andreas Kaltenbrunner; Erik Borra. 2017. "Digging Wikipedia." Journal on Computing and Cultural Heritage 10, no. 1: 1-19.

Research article
Published: 02 September 2016 in Big Data & Society
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Geoengineering is typically defined as a techno-scientific response to climate change that differs from mitigation and adaptation, and that includes diverse individual technologies, which can be classified as either solar radiation management or carbon dioxide removal. We analyse the representation of geoengineering on Wikipedia as a way of opening up this dominating, if contested, model for further debate. We achieve this by contrasting the dominating model as presented in the encyclopaedic article texts with the patterns of hyper-link associations between the articles. Two datasets were created tracing the geoengineering construct on Wikipedia, shedding light on its boundary with its context, as well as on its internal structure. The analysis shows that the geoengineering category tends to be associated on Wikipedia primarily with atmospheric solar radiation management rather than land-based carbon dioxide removal type technologies. The results support the notion that the dominant model of defining and classifying geoengineering technology has been beneficial for solar radiation management type technologies more than for land-based carbon dioxide removal ones. The article also demonstrates that controversy mapping with Wikipedia data affords analysis that can open up dominating definitions and classifications of technologies, and offer resistance to their frequent naturalising and decontextualising tendencies. This work is in line with recent work on digital sociology, but the article contributes a new methodology and reports on the first empirical application of controversy mapping using Wikipedia data to a technology.

ACS Style

Nils Markusson; Tommaso Venturini; David Laniado; Andreas Kaltenbrunner. Contrasting medium and genre on Wikipedia to open up the dominating definition and classification of geoengineering. Big Data & Society 2016, 3, 1 .

AMA Style

Nils Markusson, Tommaso Venturini, David Laniado, Andreas Kaltenbrunner. Contrasting medium and genre on Wikipedia to open up the dominating definition and classification of geoengineering. Big Data & Society. 2016; 3 (2):1.

Chicago/Turabian Style

Nils Markusson; Tommaso Venturini; David Laniado; Andreas Kaltenbrunner. 2016. "Contrasting medium and genre on Wikipedia to open up the dominating definition and classification of geoengineering." Big Data & Society 3, no. 2: 1.

Journal article
Published: 12 May 2016 in EPJ Data Science
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ACS Style

David Laniado; Yana Volkovich; Karolin Kappler; Andreas Kaltenbrunner. Gender homophily in online dyadic and triadic relationships. EPJ Data Science 2016, 5, 1 .

AMA Style

David Laniado, Yana Volkovich, Karolin Kappler, Andreas Kaltenbrunner. Gender homophily in online dyadic and triadic relationships. EPJ Data Science. 2016; 5 (1):1.

Chicago/Turabian Style

David Laniado; Yana Volkovich; Karolin Kappler; Andreas Kaltenbrunner. 2016. "Gender homophily in online dyadic and triadic relationships." EPJ Data Science 5, no. 1: 1.

Conference paper
Published: 01 January 2016 in Proceedings of the 19th ACM Conference on Computer-Supported Cooperative Work & Social Computing
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ACS Style

Aaron Halfaker; Jonathan Morgan; Yuvaraj Pandian; Elizabeth Thiry; William Rand; Kristen Schuster; A.J. Million; Sean Goggins; David Laniado. Breaking into new Data-Spaces: Infrastructure for Open Community Science. Proceedings of the 19th ACM Conference on Computer-Supported Cooperative Work & Social Computing 2016, 485 -490.

AMA Style

Aaron Halfaker, Jonathan Morgan, Yuvaraj Pandian, Elizabeth Thiry, William Rand, Kristen Schuster, A.J. Million, Sean Goggins, David Laniado. Breaking into new Data-Spaces: Infrastructure for Open Community Science. Proceedings of the 19th ACM Conference on Computer-Supported Cooperative Work & Social Computing. 2016; ():485-490.

Chicago/Turabian Style

Aaron Halfaker; Jonathan Morgan; Yuvaraj Pandian; Elizabeth Thiry; William Rand; Kristen Schuster; A.J. Million; Sean Goggins; David Laniado. 2016. "Breaking into new Data-Spaces: Infrastructure for Open Community Science." Proceedings of the 19th ACM Conference on Computer-Supported Cooperative Work & Social Computing , no. : 485-490.

Conference paper
Published: 18 April 2015 in Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems
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Collaborative content creation inevitably reaches situations where different points of view lead to conflict. We focus on Wikipedia, the free encyclopedia anyone may edit, where disputes about content in controversial articles often reflect larger societal debates. While Wikipedia has a public edit history and discussion section for every article, the substance of these sections is difficult to phantom for Wikipedia users interested in the development of an article and in locating which topics were most controversial. In this paper we present Contropedia, a tool that augments Wikipedia articles and gives insight into the development of controversial topics. Contropedia uses an efficient language agnostic measure based on the edit history that focuses on wiki links to easily identify which topics within a Wikipedia article have been most controversial and when

ACS Style

Erik Borra; Esther Weltevrede; Paolo Ciuccarelli; Andreas Kaltenbrunner; David Laniado; Giovanni Magni; Michele Mauri; Richard Rogers; Tommaso Venturini. Societal Controversies in Wikipedia Articles. Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems 2015, 193 -196.

AMA Style

Erik Borra, Esther Weltevrede, Paolo Ciuccarelli, Andreas Kaltenbrunner, David Laniado, Giovanni Magni, Michele Mauri, Richard Rogers, Tommaso Venturini. Societal Controversies in Wikipedia Articles. Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems. 2015; ():193-196.

Chicago/Turabian Style

Erik Borra; Esther Weltevrede; Paolo Ciuccarelli; Andreas Kaltenbrunner; David Laniado; Giovanni Magni; Michele Mauri; Richard Rogers; Tommaso Venturini. 2015. "Societal Controversies in Wikipedia Articles." Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems , no. : 193-196.

Research article
Published: 04 March 2015 in PLOS ONE
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Wikipedia is a huge global repository of human knowledge that can be leveraged to investigate interwinements between cultures. With this aim, we apply methods of Markov chains and Google matrix for the analysis of the hyperlink networks of 24 Wikipedia language editions, and rank all their articles by PageRank, 2DRank and CheiRank algorithms. Using automatic extraction of people names, we obtain the top 100 historical figures, for each edition and for each algorithm. We investigate their spatial, temporal, and gender distributions in dependence of their cultural origins. Our study demonstrates not only the existence of skewness with local figures, mainly recognized only in their own cultures, but also the existence of global historical figures appearing in a large number of editions. By determining the birth time and place of these persons, we perform an analysis of the evolution of such figures through 35 centuries of human history for each language, thus recovering interactions and entanglement of cultures over time. We also obtain the distributions of historical figures over world countries, highlighting geographical aspects of cross-cultural links. Considering historical figures who appear in multiple editions as interactions between cultures, we construct a network of cultures and identify the most influential cultures according to this network.

ACS Style

Young-Ho Eom; Pablo Aragón; David Laniado; Andreas Kaltenbrunner; Sebastiano Vigna; Dima L. Shepelyansky. Interactions of Cultures and Top People of Wikipedia from Ranking of 24 Language Editions. PLOS ONE 2015, 10, e0114825 .

AMA Style

Young-Ho Eom, Pablo Aragón, David Laniado, Andreas Kaltenbrunner, Sebastiano Vigna, Dima L. Shepelyansky. Interactions of Cultures and Top People of Wikipedia from Ranking of 24 Language Editions. PLOS ONE. 2015; 10 (3):e0114825.

Chicago/Turabian Style

Young-Ho Eom; Pablo Aragón; David Laniado; Andreas Kaltenbrunner; Sebastiano Vigna; Dima L. Shepelyansky. 2015. "Interactions of Cultures and Top People of Wikipedia from Ranking of 24 Language Editions." PLOS ONE 10, no. 3: e0114825.

Conference paper
Published: 01 September 2014 in Proceedings of the 25th ACM conference on Hypertext and social media
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ACS Style

Janette Lehmann; Claudia Müller-Birn; David Laniado; Mounia Lalmas; Andreas Kaltenbrunner. Reader preferences and behavior on Wikipedia. Proceedings of the 25th ACM conference on Hypertext and social media 2014, 88 -97.

AMA Style

Janette Lehmann, Claudia Müller-Birn, David Laniado, Mounia Lalmas, Andreas Kaltenbrunner. Reader preferences and behavior on Wikipedia. Proceedings of the 25th ACM conference on Hypertext and social media. 2014; ():88-97.

Chicago/Turabian Style

Janette Lehmann; Claudia Müller-Birn; David Laniado; Mounia Lalmas; Andreas Kaltenbrunner. 2014. "Reader preferences and behavior on Wikipedia." Proceedings of the 25th ACM conference on Hypertext and social media , no. : 88-97.

Conference paper
Published: 27 August 2014 in Proceedings of the international symposium on Software testing and analysis - ISSTA '02
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ACS Style

Erik Borra; Esther Weltevrede; Paolo Ciuccarelli; Andreas Kaltenbrunner; David Laniado; Giovanni Magni; Michele Mauri; Richard Rogers; Tommaso Venturini. Contropedia - the analysis and visualization of controversies in Wikipedia articles. Proceedings of the international symposium on Software testing and analysis - ISSTA '02 2014, 34 .

AMA Style

Erik Borra, Esther Weltevrede, Paolo Ciuccarelli, Andreas Kaltenbrunner, David Laniado, Giovanni Magni, Michele Mauri, Richard Rogers, Tommaso Venturini. Contropedia - the analysis and visualization of controversies in Wikipedia articles. Proceedings of the international symposium on Software testing and analysis - ISSTA '02. 2014; ():34.

Chicago/Turabian Style

Erik Borra; Esther Weltevrede; Paolo Ciuccarelli; Andreas Kaltenbrunner; David Laniado; Giovanni Magni; Michele Mauri; Richard Rogers; Tommaso Venturini. 2014. "Contropedia - the analysis and visualization of controversies in Wikipedia articles." Proceedings of the international symposium on Software testing and analysis - ISSTA '02 , no. : 34.

Research article
Published: 20 August 2014 in PLOS ONE
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Despite the undisputed role of emotions in teamwork, not much is known about the make-up of emotions in online collaboration. Publicly available repositories of collaboration data, such as Wikipedia editor discussions, now enable the large-scale study of affect and dialogue in peer production. We investigate the established Wikipedia community and focus on how emotion and dialogue differ depending on the status, gender, and the communication network of the editors who have written at least 100 comments on the English Wikipedia's article talk pages. Emotions are quantified using a word-based approach comparing the results of two predefined lexicon-based methods: LIWC and SentiStrength. We find that administrators maintain a rather neutral, impersonal tone, while regular editors are more emotional and relationship-oriented, that is, they use language to form and maintain connections to other editors. A persistent gender difference is that female contributors communicate in a manner that promotes social affiliation and emotional connection more than male editors, irrespective of their status in the community. Female regular editors are the most relationship-oriented, whereas male administrators are the least relationship-focused. Finally, emotional and linguistic homophily is prevalent: editors tend to interact with other editors having similar emotional styles (e.g., editors expressing more anger connect more with one another). Emotional expression and linguistic style in online collaboration differ substantially depending on the contributors' gender and status, and on the communication network. This should be taken into account when analyzing collaborative success, and may prove insightful to communities facing gender gap and stagnation in contributor acquisition and participation levels.

ACS Style

Daniela Iosub; David Laniado; Carlos Castillo; Mayo Fuster Morell; Andreas Kaltenbrunner. Emotions under Discussion: Gender, Status and Communication in Online Collaboration. PLOS ONE 2014, 9, e104880 .

AMA Style

Daniela Iosub, David Laniado, Carlos Castillo, Mayo Fuster Morell, Andreas Kaltenbrunner. Emotions under Discussion: Gender, Status and Communication in Online Collaboration. PLOS ONE. 2014; 9 (8):e104880.

Chicago/Turabian Style

Daniela Iosub; David Laniado; Carlos Castillo; Mayo Fuster Morell; Andreas Kaltenbrunner. 2014. "Emotions under Discussion: Gender, Status and Communication in Online Collaboration." PLOS ONE 9, no. 8: e104880.

Conference paper
Published: 01 January 2014 in Transactions on Petri Nets and Other Models of Concurrency XV
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ACS Style

Yana Volkovich; David Laniado; Karolin E. Kappler; Andreas Kaltenbrunner. Gender Patterns in a Large Online Social Network. Transactions on Petri Nets and Other Models of Concurrency XV 2014, 139 -150.

AMA Style

Yana Volkovich, David Laniado, Karolin E. Kappler, Andreas Kaltenbrunner. Gender Patterns in a Large Online Social Network. Transactions on Petri Nets and Other Models of Concurrency XV. 2014; ():139-150.

Chicago/Turabian Style

Yana Volkovich; David Laniado; Karolin E. Kappler; Andreas Kaltenbrunner. 2014. "Gender Patterns in a Large Online Social Network." Transactions on Petri Nets and Other Models of Concurrency XV , no. : 139-150.

Conference paper
Published: 01 January 2014 in Transactions on Petri Nets and Other Models of Concurrency XV
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This work analyses the practice of sister city pairing. We investigate structural properties of the resulting city and country networks and present rankings of the most central nodes in these networks. We identify different country clusters and find that the practice of sister city pairing is not influenced by geographical proximity but results in highly assortative networks.

ACS Style

Andreas Kaltenbrunner; Pablo Aragón; David Laniado; Yana Volkovich. Not All Paths Lead to Rome: Analysing the Network of Sister Cities. Transactions on Petri Nets and Other Models of Concurrency XV 2014, 8221, 151 -156.

AMA Style

Andreas Kaltenbrunner, Pablo Aragón, David Laniado, Yana Volkovich. Not All Paths Lead to Rome: Analysing the Network of Sister Cities. Transactions on Petri Nets and Other Models of Concurrency XV. 2014; 8221 ():151-156.

Chicago/Turabian Style

Andreas Kaltenbrunner; Pablo Aragón; David Laniado; Yana Volkovich. 2014. "Not All Paths Lead to Rome: Analysing the Network of Sister Cities." Transactions on Petri Nets and Other Models of Concurrency XV 8221, no. : 151-156.

Preprint
Published: 01 January 2014 in SSRN Electronic Journal
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Climaps.eu is an online atlas providing data, visualizations and commentaries about climate adaptation debate. It contains 33 issue-maps and 5 issue-stories. Ea

ACS Style

Tommaso Venturini; Axel Meunier; Anders Kristian Munk; Erik K Borra; Bernhard Rieder; Michele Mauri; Matteo Azzi; Daniele Ciminieri; Giorgio Roberto Uboldi; Andreas Kaltenbrunner; David Laniado. Climaps by Emaps in 2 Pages (A Summary for Policy Makers and Busy People). SSRN Electronic Journal 2014, 1 .

AMA Style

Tommaso Venturini, Axel Meunier, Anders Kristian Munk, Erik K Borra, Bernhard Rieder, Michele Mauri, Matteo Azzi, Daniele Ciminieri, Giorgio Roberto Uboldi, Andreas Kaltenbrunner, David Laniado. Climaps by Emaps in 2 Pages (A Summary for Policy Makers and Busy People). SSRN Electronic Journal. 2014; ():1.

Chicago/Turabian Style

Tommaso Venturini; Axel Meunier; Anders Kristian Munk; Erik K Borra; Bernhard Rieder; Michele Mauri; Matteo Azzi; Daniele Ciminieri; Giorgio Roberto Uboldi; Andreas Kaltenbrunner; David Laniado. 2014. "Climaps by Emaps in 2 Pages (A Summary for Policy Makers and Busy People)." SSRN Electronic Journal , no. : 1.

Conference paper
Published: 01 January 2014 in Transactions on Petri Nets and Other Models of Concurrency XV
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User behavior in online social media is not static, it evolves through the years. In Twitter, we have witnessed a maturation of its platform and its users due to endogenous and exogenous reasons. While the research using Twitter data has expanded rapidly, little work has studied the change/evolution in the Twitter ecosystem itself. In this paper, we use a taxonomy of the types of tweets posted by around 4M users during 10 weeks in 2011 and 2013. We classify users according to their tweeting behavior, and find 5 clusters for which we can associate a different dominant tweeting type. Furthermore, we observe the evolution of users across groups between 2011 and 2013 and find interesting insights such as the decrease in conversations and increase in URLs sharing. Our findings suggest that mature users evolve to adopt Twitter as a news media rather than a social network.

ACS Style

Ruth García-Gavilanes; Andreas Kaltenbrunner; Diego Sáez-Trumper; Ricardo Baeza-Yates; Pablo Aragón; David Laniado. Who Are My Audiences? A Study of the Evolution of Target Audiences in Microblogs. Transactions on Petri Nets and Other Models of Concurrency XV 2014, 561 -572.

AMA Style

Ruth García-Gavilanes, Andreas Kaltenbrunner, Diego Sáez-Trumper, Ricardo Baeza-Yates, Pablo Aragón, David Laniado. Who Are My Audiences? A Study of the Evolution of Target Audiences in Microblogs. Transactions on Petri Nets and Other Models of Concurrency XV. 2014; ():561-572.

Chicago/Turabian Style

Ruth García-Gavilanes; Andreas Kaltenbrunner; Diego Sáez-Trumper; Ricardo Baeza-Yates; Pablo Aragón; David Laniado. 2014. "Who Are My Audiences? A Study of the Evolution of Target Audiences in Microblogs." Transactions on Petri Nets and Other Models of Concurrency XV , no. : 561-572.

Journal article
Published: 01 June 2013 in Policy & Internet
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ACS Style

Pablo Aragón; Karolin Eva Kappler; Andreas Kaltenbrunner; David Laniado; Yana Volkovich. Communication dynamics in twitter during political campaigns: The case of the 2011 Spanish national election. Policy & Internet 2013, 5, 183 -206.

AMA Style

Pablo Aragón, Karolin Eva Kappler, Andreas Kaltenbrunner, David Laniado, Yana Volkovich. Communication dynamics in twitter during political campaigns: The case of the 2011 Spanish national election. Policy & Internet. 2013; 5 (2):183-206.

Chicago/Turabian Style

Pablo Aragón; Karolin Eva Kappler; Andreas Kaltenbrunner; David Laniado; Yana Volkovich. 2013. "Communication dynamics in twitter during political campaigns: The case of the 2011 Spanish national election." Policy & Internet 5, no. 2: 183-206.