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Citizens are shaping their food preferences and expressing their food experiences on a daily basis reflecting their way of living, culture and well-being. In this paper, we focus on food perceptions and experiences in the context of smart citizen and tourist sensing. We analyze Foursquare user reviews about food-related points of interest in ten European cities, and we explore the imprint of a city as it is shaped based on the spatial distribution of food-related topics and sentiments. The topic modelling and sentiment analysis results are visualized using geo-referenced heat maps that enrich the cities maps with information that allows for a more insightful navigation across their different geographical regions providing insights not available in the original data.

The document is the report on the 1st Workshop on Digital Library Interoperability, Best Practices and Modelling Foundations was held in Corfu, Greece on October 1, 2009, in conjunction with the 13th European Conference on Digital Libraries (ECDL2009). The event was dedicated to discuss top-level challenges and priorities for investigating and achieving digital library (DL) interoperability, to analyse the current state of the art and to deliberate top priorities towards global DL infrastructures. Talks included first achievement reports and visions on the six thematic groups of the EU-funded DL.org project, and a brief overview of the DELOS Reference Model for Digital Libraries, the conceptual framework of DL.org. An interactive panel discussion completed the workshop.