Entity Grouping for Accessing Social Streams via Word Clouds -- Compatibility Checking of REST API based on Coloured Petri Net -- Augmented ODV: Web-driven Annotation and Interactivity Enhancement of 360 Degree Video in Both 2D and 3D -- CrySIL: Bringing Crypto to the Modern User -- Motivating Online Teams: An Investigation on Task Significance, Coordination and Incentive Mechanisms -- Measuring Friendship Strength in Online Social Networks -- Enhancing the Modularity and Flexibility of Identity Management Architectures for National and Cross-border eID Applications -- A Personalized and Context-aware News Offer for Mobile Devices -- Improving Predictions with an Ensemble of Linguistic Approach and Matrix Factorization -- When Users with Preferences Different from Others get Inaccurate Recommendations -- Exploiting Temporal Dimension in Tensor-based Link Prediction -- Extracting Product Offers from e-Shop Websites -- A Comprehensive Analysis of the First Ten Editions of the WEBIST Conference -- Translation of Heterogeneous Databases into RDF, and Application to the Construction of a SKOS Taxonomical Reference -- Pre-trip Ratings and Social Networks User Behaviors for Recommendations in Touristic Web Portals -- A Transformation Language for RDF based on SPARQL -- A Sustainable Architecture for Secure and Usable Mobile Signature Solutions. .