MASHUPS IN WEB 3.0 Topics: Context-Awareness; Metadata and Metamodeling; Mobile Social Network Interaction; Multimedia and User Interfaces; Personalized Web Sites and Services; Searching and Browsing; Social Network Awareness; Web Programming; Web Services and Web Engineering In Proceedings of the 8th International Conference on Web Information Systems and Technologies WEBIST - Volume 1, 189-194, 2012 , Porto, Portugal