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https://ceur-ws.org/Vol-730/preface.pdf
Proceedings of the
2nd International Workshop on
Semantic Adaptive Social Web
(SASWeb 2011)
co-located with the
19th User Modeling, Adaptation and
Personalization Conference
(UMAP 2011)
July 15, 2011, Girona, Spain
http://semantic-adaptive-social-web.uniud.it/events/2011/sasweb/
Copyright © 2011 for the individual papers by the papers' authors. Copying permitted only for
private and academic purposes. Re-publication of material from this volume requires permission by
the copyright owners.
This volume is published and copyrighted by Federica Cena, Antonina Dattolo, Ernesto William De
Luca, Pasquale Lops, Till Plumbaum, and Julita Vassileva.
ISSN 1613-0073
Organizing Committee
Federica Cena University of Turin, Italy.
Antonina Dattolo University of Udine, Italy.
Ernesto William De Luca Technische Universität Berlin, Germany.
Pasquale Lops University of Bari Aldo Moro, Italy.
Till Plumbaum Technische Universität Berlin, Germany.
Julita Vassileva University of Saskatchewan, Canada.
Program Committee
Liliana Ardissono Università degli Studi di Torino, Italy
Lora Aroyo University of Amsterdam, Holland
Shlomo Berkovsky CSIRO, TasICT Centre, Australia
Peter Brusilovsky University of Pittsburgh, USA
David Bueno Vallejo Universidad de Málaga, Spain
Ivan Cantador Universidad Autónoma de Madrid, Spain
Francesca Carmagnola University of Turin, Italy
Pablo Castells Universidad Autónoma de Madrid, Spain
Cristina Gena University of Turin
Marco de Gemmis University of Bari Aldo Moro, Italy
Darina Dicheva Winston Salem University , USA
Vania Dimitrova University of Leeds, UK
Tom Heath Talis Information Ltd, United Kingdom
Eelco Herder L3S Research Center, Germany
Andreas Hotho University of Würzburg, Germany
Gilles Hubert IRIT, Toulouse, France
Geert-Jan Houben TU Delft, Holland
Dietmar Jannach Dortmund University of Technology
Tsvi Kuflik University of Haifa, Israel
Vincenzo Loia University of Salerno, Italy
Luca Mazzola ITC, University of Lugano, Switzerland
Alessandro Micarelli University “Roma Tre”, Roma, Italy
Cecile Paris CSIRO ICT Centre, Australia
Francesco Ricci Free University of Bozen-Bolzano, Italy
Giovanni Semeraro University of Bari Aldo Moro, Italy
Sergey Sosnovsky German Research Center for AI, Saarbrucken, Germany
Armando Stellato University of Tor Vergata, Rome
Ilaria Torre University of Turin
Markus Zanker University Klagenfurt, Austria
Torsten Zesch Technical University of Darmstadt, Germany
Preface
Social Web (also called Web 2.0) is growing daily, together with the number of users and
applications. In this way, users generate a significant part of Web content and traffic: they create,
connect, comment, tag, rate, remix, upload/download, new or existing resources in an architecture
of participation, where user contribution and interaction add value. Users are also involved in a
broad range of social activities like creating friendship relationships, recommending and sharing
resources, suggesting friends, creating groups and communities, commenting friends activities and
profiles and so on.
At the same time, Semantic Web (also called Intelligent Web), whose main goal is to describe Web
resources in a way that allows machines to understand and process them, has started to go out from
academies and begins to be exploited in many web sites, incorporating high-quality user contributed
content and semantic annotations using Internet-based services as an enabling platform.
The recent advances in the Semantic Web area, and specifically the widespread use of weak
semantic techniques (the so-called ‘lowercase’ semantic web), such as the use of microformats (e.g.
eRDF, RDFa) to attach semantics to content, also provide new standardized ways to process and
share information. This approach allows information intended for end-users (such as contact
information, geographic coordinates, calendar events) to also be automatically processed
by machines, and this obviates other more complicated methods of processing, such as natural
language processing or screen scraping.
In this workshop we are interested to analyze the benefits adaptation and personalization have to
offer in the Web of the future, the so called Social Semantic Web or Web 3.0, that puts together
Semantic Web and Social Web.
The workshop aims at discussing the state-of-the-art, open problems, challenges and innovative
research approaches in adaptation and personalization for the Social Semantic Web. It provides a
forum for proposing innovative and open models, applications and new data sharing scenarios, as
well as novel technologies and methodologies for creating and managing these applications.
Examples of stimulating application fields are social bookmarking environments, publication
sharing systems, intelligent cultural guides, collaborative working, social networking sites, digital
libraries, e-learning and recommender systems.
We would like to thank all the authors for their submissions, and our Program Committee and
additional reviewers for their precious work.
June 2011
Federica Cena
Antonina Dattolo
Ernesto William De Luca
Pasquale Lops
Till Plumbaum
Julita Vassileva
SASWeb 2011 Workshop Chairs
Table of Contents
Visualizing and Managing Folksonomies
Antonina Dattolo, Emanuela Pitassi
Selective Propagation of Social Data in Decentralized Online Social Network
Udeep Tandukar, Julita Vassileva
Towards a Followee Recommender System for Information Seeking Users in Twitter
Marcelo G. Armentano, Daniela Godoy, Analía Amandi
Adaptive Faceted Search on Twitter
Ilknur Celik, Fabian Abel, Patrick Siehndel
cTag: Semantic Contextualisation of Social Tags
Ignacio Fernández-Tobías, Iván Cantador, Alejandro Bellogín
Social Semantic Web Fosters Idea Brainstorming
Matteo Gaeta, Vincenzo Loia, Giuseppina Rita Mangione, Francesco Orciuoli, Pierluigi Ritrovato
Recommending #-Tags in Twitter
Eva Zangerle, Wolfgang Gassler, Gunther Specht