Exploration into the intellectual structure of mobile information systems

Highlights：

• The purposes of this research are to explore the key contents of the Mobile IS field and identify its intellectual structure.

• Citation analysis and document co-citation analysis were applied, including factor analysis and cluster analysis.

• The authors identified 75 highly-cited articles and yielded 6 core categories of knowledge in the Mobile IS field.

• The findings demonstrate that the Mobile IS field is still a young and evolving research field.

• Core knowledge categories can locate research entry-points in the Mobile IS field and reveal new business opportunities.