2nd edition 2nd International Workshop on Social Media World Sensors - Sideways 2016 2nd International Workshop on Social Media World Sensors (SIdEWayS The 2016 edition of the International 2016) Workshop on Social Media World Sensors - Sideways 2016 has been held in conjunction with the 10th Edition of its Language Resources and Evaluation Conference.- LREC 2016 in Portoroz, Slovenia. This second edition This second of the edition of theworkshop workshop aimed aims atatbringing bringing together together academics academics and and practitioners from different areas to promote the vision of social media as social sensors. practitioners from different areas to promote the vision of social media as social Nowadays, social Nowadays, sensors. platforms have social become platforms the have most become popular communication the most popular system all over the world. In fact, due to the short format of messages and the accessibility of these communication system all over the world. In fact, due to the short format of systems, messages users tend andto the shift from traditional accessibility of thesecommunication systems, users tend toolsto(suchshift as blogs, web from sites and mailing lists) to social network for various purposes. Billions of messages traditional communication tools (such as blogs, web sites and mailing lists) to are appearingsocial dailynetwork in these forservices such as Billions various purposes. Twitter,ofTumblr, messagesFacebook, are appearing etc.daily Theinauthors of these messages share content these services about their such as Twitter, Tumblr, private life, exchanging Facebook, etc. The authors opinions of theseon a variety of topics messages and discussing a wideabout share content range ofprivate their information news. opinions on a variety life, exchanging Even if of topics and discussing a wide range of information news. this system cannot represent an alternative to the authoritative information media, considering Even the number if this system of its users cannot represent and thetoimpressive an alternative the authoritative response informationtime of their contributions, media, they represent considering a sort of its the number real-time users andnews sensor that the impressive can also response time predate of the best newspapers in informing the web community about the emerging topics and trends. their contributions, they represent a sort of real- time news sensor that can also In fact, the mosttheimportant predate information best newspapers media in informing thealways need a certain web community about theamount emergingof time to react to a news event; i.e. professional journalists require time, collaborators topics and trends. In fact, the most important information media always need a and/or technology support certain amountto provide of time atoprofessional react to a news report. However event; a user can i.e. professional easily report, in journalists few characters, what is happening in front of the user’s eyes, without any concern about require time, collaborators and/or technology support to provide a professional the readers or the report. writing However style. a user can These aspects easily report, make in few social services characters, the mostin powerful what is happening sensor for events detection and automatic news generation. The aim of this front of the user’s eyes, without any concern about the readers or the writing style.workshop was to ask researchers These aspects make to enter socialinto suchtheview, services most by studying powerful sensor how for social platforms can be events detection used in real-time scenarios to detect emerging events and enrich them with contextual and automatic news generation. The aim of this workshop was to ask researchers information. to enter into such view, by studying how social platforms can be used in real-time scenarios to detect emerging events and enrich them with contextual information. Co-Chairs Luigi Di Caro Mario Cataldi Claudio Schifanella Editors Mario Cataldi Université Paris 8, France Department of Computer Science – University Luigi Di Caro of Turin, Italy RAI – Centre for Research and Technological Claudio Schifanella Innovation, Turin, Italy Workshop Organizers/Organizing Committee Mario Cataldi Université Paris 8, France Department of Computer Science – University Luigi Di Caro of Turin, Italy RAI – Centre for Research and Technological Claudio Schifanella Innovation, Turin, Italy Workshop Programme Committee Luca Aiello Yahoo! Labs, London Andrea Ballatore University of California, Santa Barbara, USA Iván Cantador Universidad Autónoma de Madrid, Spain Federica Cena University of Torino, Italy Martin Chorley Cardiff University, Wales Emilio Ferrara Indiana University Bloomington, USA Simon Harper University of Manchester, England Dino Ienco Irstea, UMR TETIS, Montpellier, France Séamus Lawless Trinity College Dublin, Ireland Emmanuel Malherbe Multiposting, France Rosa Meo University of Torino, Italy Ruggero G. Pensa University of Torino, Italy Rossano Schifanella University of Torino, Italy Thomas Steiner Google, USA RAI – Centre for Research and Technological Luca Vignaroli Innovation, Turin, Italy ii