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"The incorporation of protocols in heritage building preservation is important for the definition of preventive conservation actions  Such integration is needed to avoid restoration actions and to promote preventive maintenance instead of corrective maintenance actions  This paper presents the application of an innovative digital management system using artificial intelligence that can quantify the suitability of a sample  This kind of application can support the maintenance management of buildings and minimise human error in data collection  The fuzzy system showed slight differences between the members of the expert panel during the in-situ visual inspection  These results indicate that  despite differences between various experts    evaluation of a building  the proposed digital method helps minimise the uncertainty in the results  The paper highlights input variables  which present high dispersion  load state modification  fire and occupancy   and input parameters  which present low dispersion  preservation  roof design and overloads   Fuzzy systems can adequately manage the uncertainties associated with different experts    assessment of sample that present constructive homogeneity  This study can give advantages to stakeholders during the inspection  diagnosis and evaluation stages in the improvement of mitigation policies focused on preventive maintenance programs dedicated to the resilience of heritage buildings  specifically churches emplaced in Chile "
<https://www.mysciencework.com/publication/facets/keywords/maintenance>