Abstract/Resunme
I. Introduction
II. Methodology
2.1 Research questions
2.2 Data collection
2.3 Document labeling
2.4 Topic modeling
III. Results and discussions
3.1 Growth of doctoral dissertations
3.2 Theoretical influences
3.3 Themes of CIS
3.4 Keywords in Chinese doctoral dissertations
3.5 Topic models
3.6 Modes of interpreting
3.7 Empirical research in doctoral dissertations
3.8 Dissertation-producing universities
3.9 PhD Advisorship
3.10 Academic publications and career paths of doctoral students
IV. Conclusion
REFERENCES