The 46 articles are classified and counted according to the year, and the annual publication volume and trend statistics of the university ranking research are obtained (Figure 1).
The 46 documents are classified according to the annual statistics, and the annual volume and trend chart of the university ranking study are obtained (Figure 1).
According to the classification and statistics of 46 literatures, the annual number of papers published and the trend statistical chart of university ranking research are obtained (Fig. 1).<br>