[Purpose/significance] The first-citation-speed is an important dimension which reflects the influence of the authors or the journals, and determines the subsequent cited situation to a certain extent. This paper makes some improvement to overcome some defects in the referenced algorithms. For example, the discrimination degree of the evaluation results is small; some results have errors, limited application, and not fit for the shorten trend of the publishing cycle.[Method/process] The feasibility of improvement by the timing unit refinement was verified by inspecting the literature reference details. Then,two new indexes were derived from the existing research:S index (including SF and Sz) and FM index. There was usually much larger time span of scholars' published papers than that of journals when collected with certain quantities for empirical studies, and the characteristics of the scholars' papers data would be more abundant, which was important for the effect of the empirical test. As a result, ten Chinese scholars in the field of library and information science were selected from similar research. Their respective published papers, cited papers, all the first citation papers were found out. Subsequently, the amount of cited papers for each scholar, the annual or monthly time lag between the cited paper and the corresponding first citation paper could be counted and the indexes were calculated for each scholar.[Result/conclusion] In terms of the evaluation results of ten scholars, the FM index has great enhancement in the differentiating effect and precision. The new S index has the same evaluation efficacy as h index and suit much more application scenarios for the objective and changeless characteristics of its timing data.All the databases provide the raw data needed for the index computing. The programming for data processing and computing is relatively simple. Therefore,the potential application value of these two new indexes and timing refinement in first citation research can be fully displayed.
Qi Yan
. Improvement of First-Citation-Speed Indexes and Corresponding Empirical Study with Authors' Evaluation on the First Citation[J]. Library and Information Service, 2017
, 61(24)
: 114
-122
.
DOI: 10.13266/j.issn.0252-3116.2017.24.014
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