Subjects: Library Science，Information Science >> Library Science submitted time 2023-08-27 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] This paper summarized the advantages and disadvantages of various recognition methods of frontier researches by comparing and analyzing these methods, and suggested improvements for future researches.[Method/process] Firstly, it reviewed the literatures related to research frontiers at home and abroad, and identified relevant concepts of the research frontier. Then, the paper analyzed the main exsited research methods for the identification of research frontiers. Comparing with the traditional identification methods, this paper emphasized the summary of recognition methods of transformative research frontiers. Finally, this study summarized the main problems existed in the frontier identification methods, and put forward suggestions for improving the research frontier identification methods.[Result/conclusion] In terms of conceptual meanings, this paper distinguished research hotspots, emerging researches and research frontiers in the dimensions of time and innovation. According to the different levels of innovation, research frontiers can be divided into conventional research frontiers and transformative research frontiers. In terms of identification methods, different methods have their own applicable scenes. In the future, it is necessary to further dig out the measurement features of the "research frontier", especially the semantic associations among topics and the fusion of multiple relations should be focused on, as well as the feature mining of the early signs of "transformation research frontier", and then constructing corresponding recognition and prediction methods.
Subjects: Library Science，Information Science >> Information Science submitted time 2023-04-01 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] To explore the different representations of the impact of different key time points on emerging research topics.[Method/process] Firstly, we summarized the application scenarios and acquisition methods of the current turning point time, and constructed the turning point identification method of emerging research topics on the innovation evolution path according to the growth mechanism and characteristics of network nodes in the knowledge diffusion. After that, the differences between "first appearance time" "average time" and "inflection point time" are compared and analysed, and explored the earliest point in time when emerging research topics have an impact. Finally, taking stem cell research topics as an empirical field, we analysed the different representational capabilities of different key time points on the influence of emerging research topics.[Result/conclusion] The turning point time can identify influential topics earlier than the "average time". "First appearance time" "average time" and "inflection point time" have significant differences in the topic evolution path. The determination of the distribution time of emerging research topics in the innovation path requires the synthesis of three different types of key time points.
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