A Fuzzy-AHP Model for Quantifying Authenticity Loss in Adaptive Reuse: A Sustainable Heritage Approach Based on Traditional Houses in Alanya

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dc.contributor.authorAri Akman, Nazmiye Gizem
dc.contributor.authorCelebi Karakok, Meryem Elif
dc.date.accessioned2026-01-24T12:26:36Z
dc.date.available2026-01-24T12:26:36Z
dc.date.issued2025
dc.departmentAlanya Alaaddin Keykubat Üniversitesi
dc.description.abstractThis study introduces a Fuzzy-AHP-based analytical model for the quantitative assessment of authenticity loss in adaptive reuse practices, addressing a persistent gap in heritage research-the lack of reproducible mathematical frameworks capable of linking authenticity evaluation with sustainability indicators. Unlike previous studies that approach authenticity conceptually or qualitatively, this research develops a hybrid decision-support system that translates both intangible and tangible heritage attributes into measurable linguistic variables, enabling systematic and comparable authenticity assessments. The model was applied to ten traditional houses in Alanya, T & uuml;rkiye, representing different adaptive reuse types (residential, cultural, commercial, and touristic). A total of 17 experts contributed to the Analytic Hierarchy Process (AHP) weighting stage, producing a Consistency Ratio of 0.0156 (<0.10), and 8 experts provided scoring inputs for the fuzzy system. The fuzzy inference system was implemented in MATLAB R2023a, incorporating seven main criteria and three subcriteria, nine input variables, five linguistic categories, and a rule base of 3400 fuzzy rules. Membership functions were defined within the 0-100 numerical range, and the centroid defuzzification method was used to compute final authenticity values. Model reliability was confirmed through Kendall's W = 0.87, demonstrating strong inter-rater agreement. Results show that buildings retaining their original residential function achieved the highest authenticity scores (Final Score approximate to 86), while structures converted into boutique hotels or restaurants exhibited substantial authenticity losses (Final Score range: 25-45), especially within Group 2 criteria (environment, function, spirit, and intangible cultural heritage). This divergence illustrates a sustainability paradox: although adaptive reuse prolongs building life cycles and reduces embodied carbon, it may simultaneously undermine cultural sustainability when authenticity is significantly compromised. The proposed Fuzzy-AHP authenticity model provides a replicable, transparent, and empirically validated tool for evaluating the effects of functional transformation within a sustainability framework. By quantifying the relationship between adaptive reuse types and authenticity retention, the study contributes to sustainable heritage management research and supports the implementation of SDG 11-Sustainable Cities and Communities.
dc.identifier.doi10.3390/su172310519
dc.identifier.issn2071-1050
dc.identifier.issue23
dc.identifier.scopus2-s2.0-105024591953
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/su172310519
dc.identifier.urihttps://hdl.handle.net/20.500.12868/4797
dc.identifier.volume17
dc.identifier.wosWOS:001636392600001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofSustainability
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20260121
dc.subjectauthenticity
dc.subjectadaptive reuse
dc.subjectfuzzy logic
dc.subjectAnalytic Hierarchy Process (AHP)
dc.subjectsustainable heritage
dc.subjectcultural sustainability
dc.subjectSDG 11
dc.titleA Fuzzy-AHP Model for Quantifying Authenticity Loss in Adaptive Reuse: A Sustainable Heritage Approach Based on Traditional Houses in Alanya
dc.typeArticle

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