Table 4 Keyword-based thematic co-occurrence network analysis

Cluster 1

71

Central word ‘Cultural Heeritage-HBIM-Photogrammetry’: Laser Scanning, Architectural Heritage, TLS, Deep Learning, 3D Modeling, GIS, Sementic Web, Monitoring, Virtual Reality, UAV Photogrammetry, Maintenances, Virtual Reconstruction, FEM, Data Integration, Virtual Tour, Decay Mapping, Knowledge,……, etc.

Technologies such as UAV Photogrammetry, Point Cloud and GIS are applied to 3D modeling, information recording and restoration of heritage.

Cluster 2

65

Central word ‘Vulnerability-Management’: Management, Point Cloud, 3D Reconstruction, Performance, Churches,Dage Assessment, Earthquake, Pushover Analysis, Modal-analysis, Partial Failure Mechanisms, Identification, Behavior, Scale, Plastic-damage Model, Vulnerability Assessment, Seiismic Response, Implementation, Systems, Images, Algorithm, Unmanned Aerial Vehicle, Damage Detection, Masony, Deep Learning, Historic Buildings,…….,etc.

Vulnerability assessment and structural analysis of historic buildings.

Cluster 3

54

Central word ‘Scan-to-BIM-Conservation-Interoperability’: Heritage Buildings, Digital Twin, Interoperability, Ontology, Quality, Infrared Thermography, Artificial Intelligence, Virtual Museum, Virtual Reality, Grade of Generation, Interactivity, IFC, Citygml, Rapid Mapping,…..,etc.

How to enhance the digital protection and presentation of heritage through virtual model interaction.

Cluster 4

41

Central word ’BIM-Documentation-Point Cloud’: Laser, Representation, Segmentation, Accuracy, Models, Information, Imagery, Reconstruction, Buildings Model, Preservation, LOD, ArchaeoBIM, Classification, Level of Geometry, Parametric Objects, Recognition, Renovation,…..,etc.

Documentation and reconstruction of cultural heritage using LC with BIM.