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CLIO: Context Supporting Collective City Memory

Personal memories as expressed through narrations, photos or drawings, published or confined texts, often describe events that have occurred in cities, in time these personal memories are melded into a collective memory attached to the physical space. Collective memory is closely related to location, refers to a time period and reflects the social interactions of people who share it. All these parameters of context, location, time and social interactions, which affect the way collective memory is formed, are parameters of context that modern context-aware systems can exploit, therefore context-aware computing can fundamentally change how people interact with collective memory. This paper presents a context-aware system that allows people to form and interact with collective city memory through a ubiquitous environment, called CLIO, CLIO is based on a reasoning and inference process that exploits both context and rules on it.