- What high-quality research has been conducted with Wikipedia as a major topic or data source?
- What research questions have been asked by various sources, both academic and practitioner?
- What theoretical frameworks and reference theories have been used or developed to study the topic?
- What research methods have been applied?
- What kind of data has been collected for research purposes?
- What kind of data analysis has been conducted? What kinds of units of analysis have been used?
- What conclusions have been made from existing research?
- What questions from RQ2 are left unanswered?