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Table 1 Questionnaire

From: An AmI-based and privacy-preserving shopping mall model

Item Description Cluster
Q1 The system does not hinder your common behavior within the mall C
Q2 The system does not improve your shopping experience in the mall with respect to the discovery of interesting offerings L
Q3 The system correctly suggests directions to reach offerings matching your wishlist or part of it P
Q4 The system decreases the time for purchasing items in your wishlist or in part of it L
Q5 The system provides wrong directions for correct offerings with respect to your wishlist or part of it P
Q6 The system confuses you with respect your purchase intentions in the mall C