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In this paper, we address the fidelity of information collected from distributed, interactive, pervasive computing environments. Queries in these dynamic networks come in two forms: snapshot queries and continuous queries. The former executes through the network and returns values that satisfy the query criteria at a particular instant in time. The latter expects a result that is updated over time to reflect changes in the system. The fidelity, or quality, of the results of these queries can bedoi:10.1109/percomw.2011.5766859 dblp:conf/percom/JulienRPR11 fatcat:j5tl7bwvlfhxhaoflrsoyj6gze