Research Hotspot Prediction and Regular Evolutionary Pattern Identification Based on NSFC Grants Using NMF and Semantic Retrieval
Analyzing the research hotspots and regular evolutionary patterns of R&D projects can help researchers find potential information.This paper considers the titles of the National Natural Science Foundation of China (NSFC) grants that have been awarded in the Fairy costume past 20 years as the research objects.First, we analyze the number and fun