| 序号 | 频次 | 中心性 | 关键词 | 年份 |
| 1 | 78 | 1.19 | Building information modeling | 2008 |
| 2 | 25 | 0.31 | Building information model | 2008 |
| 3 | 9 | 0.02 | Information technology | 2010 |
| 4 | 8 | 0.03 | Construction management | 2010 |
| 5 | 8 | 0.03 | Construction | 2012 |
| 6 | 5 | 0.12 | Ontology | 2005 |
| 7 | 5 | 0.05 | Industry foundation classes | 2008 |