Table 2 Topic map retrieved by factor analysis (n = 4484; the No. of publications included 15 out of 20 retrieved topics; keywords were not named manually but identified via exploratory factor analysis (cf. Kim and Mueller 1978))
Rank | Cases | % Cases | Name | Keywords |
|---|---|---|---|---|
1 | 4189 | 93.42% | Remote Sensing | Remote Sensing; Photogrammetry; Spatial |
2 | 3925 | 87.53% | Archaeology | Archaeology; Computing; CAA; Application |
3 | 3903 | 87.04% | Presentation | Virtual; Interaction; Reality; Visitor; Exhibit; Environment; VR; Experience; Game; Museum; User |
4 | 3865 | 86.20% | Modelling | Point; Coordinate; Distance; Camera; Measure; Position; Control; Calibration; Accuracy; Parameter; Error; Orientation |
5 | 3850 | 85.86% | Cultural Heritage; Conservation | Heritage; Culture; Conservation; Preservation |
6 | 3819 | 85.17% | Century; City | Century; City; Wall; Period; Roman; House |
7 | 3803 | 84.81% | Architecture; Building | Architecture; Build; Element; BIM; Construction; Geometry; Structure |
8 | 3695 | 82.40% | Visualisation | Texture; Resolution; Lighting; Render; Image; Colour; Surface |
9 | 3485 | 77.72% | Data Management & Access | User; Database; Web; Interface; File; Access; Query |
10 | 3161 | 70.50% | Geo Approaches | GIS; Geography; Landscape; Map |
11 | 3035 | 67.69% | Automatic Algorithm | Algorithm; Match; Extract; Automation; Segment; Detect |
12 | 2484 | 55.40% | Photo-based Approaches | Photography; Aerial; Photogrammetry; Photo |
13 | 2081 | 46.41% | Laser Scanning | Laser; Scanner; Scanning; Cloud |
14 | 1509 | 33.65% | Sensor & Devices | Sensor; Device |
15 | 939 | 20.94% | Ontologies | Ontologies; Semantic; CRM; Metadata |