Creating occupant-centered digital twins using the Occupant Feedback Ontology implemented in a smartwatch app

Occupant feedback enables building managers to improve occupants’ health, comfort, and satisfaction. However, acquiring continuous occupant integrating this with other information is challenging. This paper presents a scalable method acquire directly integrate information. Semantic web technologies were applied solve data interoperability issues. The Feedback Ontology was developed describe semantically. Next this, smartwatch app – Mintal on indoor environmental quality. gathers location, medical information, answers short micro surveys. the linked data. A case study performed evaluate method. semantic digital twin created by data, sensor feedback. Results from SPARQL queries gave more insight into an occupant’s perceived comfort levels in Open Flat. shows how allows for occupant-centric decision support tools. approach presented can be used wide range of use cases, both within without architecture, building, construction domain.