[目的/意义]鉴于国内对"睡美人"文献研究的不足，介绍一种新的识别"睡美人"文献的方法——K值算法，并利用该算法识别图书情报学（Information Science&Library Science，ISLS）领域的"睡美人"文献。研究对发现ISLS领域科技成果的发明人和倡导者、保护并促进重大科学发现的推广应用等均具有重要意义。[方法/过程]以Web of Science数据库中1988-2007年ISLS领域的3460篇文献为例，构成识别"睡美人"文献的数据集，利用K值算法识别其中的"睡美人"文献，总结ISLS领域"睡美人"文献的特征，并分析其唤醒机制。[结果/结论]结果表明，K值算法能够较好地识别ISLS领域的"睡美人"文献，用该算法从ISLS领域文献中共识别出6篇"睡美人"文献，这些文献的沉睡时长从7-14年不等，其研究内容主要是新方法、新系统在医学上的应用。唤醒上述"睡美人"文献的动因包括：理论和技术的后续发展、系统的商业化、作者后来赢得的声誉、知名学者的引用等。
[Purpose/significance] "Sleeping beauty" literature has long been neglected and suddenly arouses much attention. It is of great significance to identify the literature for discovering the inventors and advocates of scientific and technological achievements, protecting scientific discoveries and promoting scientific and technological progress.[Method/process] According tothe quadratic function, the "sleeping beauty" literature identification algorithm proposed by Aurora, a. c. Teixeira, the rationality of the identification of the "sleeping beauty" literature were analyzed, and the algorithm was used to identify "sleeping beauty" literature in the field of library and information science. This paper summarized the general rules of this field, and analyzed its wake-up mechanism. [Result/conclusion] The results show that the K-value algorithm can well identify the "sleeping beauty" literature in the library and information sciencefield. This paper identifies six "sleeping beauty" documentsin the field of library and information science by using this algorithm. The sleeping length of these documents varies from 7 to 14 years. These are almost focused on the application of new methods and new systems in medicine. The subsequent development of methodology and technology, the commercialization of the system, the reputation of the authors and the citation of famous scholars are the main reasons why the "sleeping beauty" literature is awakened.
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