| 关键词 | 频次 | 中心性 | 年份 | 关键词 | 
| 1 | 82 | 0.22 | 2008 | electronic government | 
| 2 | 63 | 0.19 | 2010 | adoption | 
| 3 | 41 | 0.11 | 2008 | information technology | 
| 4 | 39 | 0.12 | 2010 | user acceptance | 
| 5 | 37 | 0.07 | 2010 | trust | 
| 6 | 35 | 0.12 | 2011 | model | 
| 7 | 25 | 0.09 | 2010 | technology | 
| 8 | 23 | 0.05 | 2008 | determinants | 
| 9 | 23 | 0.07 | 2008 | acceptance | 
| 10 | 21 | 0.07 | 2015 | services | 
| 11 | 18 | 0.02 | 2011 | information | 
| 12 | 16 | 0.1 | 2009 | framework | 
| 13 | 16 | 0.04 | 2015 | mclean model | 
| 14 | 16 | 0.05 | 2009 | e government | 
| 15 | 15 | 0.06 | 2008 | information systems success |