This paper focuses on online gift exchange in a setting where online and offline interactions are tightly intertwined and most of the exchanges require face-to-face interaction to...
Modelling Business to Government (B2G) interaction is considered to be more complex than Citizen to Government (C2G) interaction, since the concept of authorized citizens, represen...
Alexandros Dais, Mara Nikolaidou, Dimosthenis Anag...
In recent years, we have witnessed a significant growth of "social computing" services, or online communities where users contribute content in various forms, including ...
Abstract. Performing effective preference-based data retrieval requires detailed and preferentially meaningful structurized information about the current user as well as the items ...
—The pervasive diffusion of mobile communication devices and the technical improvements of location techniques are fostering the development of new applications that use the phys...
Claudio Agostino Ardagna, Marco Cremonini, Sabrina...