This volume (Vol. 5, No. 3) of the Journal of Data and Information Science (JDIS) is the Part I of the Special Issue on ISSI 2019, the 17th International Conference on Scientometrics and Informetrics (ISSI2019) held in Rome, on 2–5 September 2019 and includes the first part of the selected posters presented during the conference and extended by the authors afterward. The goal of ISSI 2019 was to bring together scholars and practitioners in the area of informetrics, bibliometrics, scientometrics, webometrics and altmetrics to discuss new research directions, methods and theories, and to highlight the best research in this area. The 13 selected papers included in this issue relate the general topic of novel approaches to the development and application of informetric and scientometric tools and have been grouped in four themes:

中文翻译：

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信息计量和科学计量工具的开发和应用的新方法

数据和信息科学期刊（JDIS）的这一卷（第5卷第3期）是ISSI 2019特刊的第一部分，这是在罗马举行的第17届科学计量学和计量学国际会议（ISSI2019）。 2019年9月2日至5日，包括会议期间展示的精选海报的第一部分，之后由作者进行扩展。ISSI 2019的目标是召集信息计量学，书目计量学，科学计量学，网络计量学和高度计量学领域的学者和实践者讨论新的研究方向，方法和理论，并突出该领域的最佳研究。本期包含的13篇论文涉及有关信息计量学和科学计量学工具的开发和应用的新颖方法的一般主题，并分为以下四个主题：