This year’s International Conference on Web Engineering (ICWE) has been held from June 6th to June 9th at the USI Faculty of Informatics in Lugano, Switzerland. During the demo session on the first day of the conference, CrossWorlds researcher Markus Ast presented his demo on “Towards Handling Constraint Network Conditions between IoT Entities using Conflict-free Anti-entropy Communication”. Markus Ast also participated, together with Michael Krug, Fabian Wiedemann and Martin Gaedke, in the 2nd International Rapid Mashup Challenge. With the presentation of their work on “The SmartComposition Approach for Creating Environment-Aware Multi-Screen Mashups”, they were able to achieve the 1st place in this challenge.