Web Information Systems and Technologies : 11th International Conference, WEBIST 2015, Lisbon, Portugal, May 20-22, 2015, Revised Selected Papers

This book constitutes revised selected papers from the 11 th International Conference on Web Information Systems and Technologies, WEBIST 2015, held in Lisbon, Portugal, May 20-22, 2015, organized by the Institute for Systems and Technologies of Information, Control and Communication (INSTICC), and technically sponsored by the European Research Center for Information Systems (ERCIS). The purpose of the WEBIST series of conferences is to bring together researches, engineers and practitioners interested in technological advances and business applications of web-based information systems. The 17 full papers presented in this volume were carefully reviewed and selected originally 115 paper submissions. They were organized in topical sections names: web interfaces and applications; internet technology; society, e-business and e-government; web intelligence; and mobile information systems. Front Matter....Pages I-XIV Front Matter....Pages 1-1 Entity Grouping for Accessing Social Streams via Word Clouds....Pages 3-24 Compatibility Checking of REST API Based on Coloured Petri Net....Pages 25-43 Front Matter....Pages 45-45 Augmented ODV: Web-Driven Annotation and Interactivity Enhancement of 360 Degree Video in Both 2D and 3D....Pages 47-69 CrySIL: Bringing Crypto to the Modern User....Pages 70-90 Front Matter....Pages 91-91 Motivating Online Teams: An Investigation on Task Significance, Coordination and Incentive Mechanisms....Pages 93-108 Measuring Friendship Strength in Online Social Networks....Pages 109-122 Enhancing the Modularity and Flexibility of Identity Management Architectures for National and Cross-Border eID Applications....Pages 123-143 Front Matter....Pages 145-145 A Personalized and Context-Aware News Offer for Mobile Devices....Pages 147-168 Improving Predictions with an Ensemble of Linguistic Approach and Matrix Factorization....Pages 169-190 When Users with Preferences Different from Others Get Inaccurate Recommendations....Pages 191-210 Exploiting Temporal Dimension in Tensor-Based Link Prediction....Pages 211-231 Extracting Product Offers from e-Shop Websites....Pages 232-251 A Comprehensive Analysis of the First Ten Editions of the WEBIST Conference....Pages 252-274 Translation of Heterogeneous Databases into RDF, and Application to the Construction of a SKOS Taxonomical Reference....Pages 275-296 Pre-trip Ratings and Social Networks User Behaviors for Recommendations in Touristic Web Portals....Pages 297-317 A Transformation Language for RDF Based on SPARQL....Pages 318-340 Front Matter....Pages 341-341 A Sustainable Architecture for Secure and Usable Mobile Signature Solutions....Pages 343-364 Back Matter....Pages 365-365