Understanding the performance of geographic limits on Web of Science Core Collection databases, using the United Kingdom as an example.

IF 2.9 4区 医学 Q1 INFORMATION SCIENCE & LIBRARY SCIENCE Journal of the Medical Library Association Pub Date : 2024-10-01 Epub Date: 2024-10-07 DOI:10.5195/jmla.2024.1669
Helen A Fulbright, Claire Stansfield
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Abstract

Objective: To consider the approaches within Web of Science Core Collection (WoSCC) databases for limiting geographically. To compare the limits to an adaptation of NICE's UK MEDLINE filter for use on WoSCC databases.

Methods: We tested and appraised the inbuilt functions and search field options that support identification by countries/regions and affiliations. We compared these with an adapted filter to identify healthcare research on or about the UK. We calculated the recall of the inbuilt limits and filter using 177 studies and investigated why records were missed. We also calculated the percentage reduction of the overall number-needed-to-screen (ONNS).

Results: Inbuilt limits within WoSCC enable identification of research from specific countries/regions or affiliations if there is data in the address field. Refining by affiliations allows retrieval of research where affiliations are in the 200 or 500 most frequent for a set of results. An adaptation of the UK MEDLINE filter achieved an average of 97% recall. ONNS was significantly reduced using the filter. However, studies where the countries or regions are only mentioned within the full text or other non-searchable fields will be missed.

Conclusion: Information specialists should consider how inbuilt geographic limits operate on WoSCC and whether these are suitable for their research. The adapted filter can sensitively limit to the UK and could be useful for systematic reviews due to its high recall and ability to significantly reduce ONNS. Geographic filters can be feasible to adapt for use on WoSCC databases (where similar search fields are used between platforms).

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以英国为例,了解科学网核心收藏数据库的地理限制性能。
目的:研究科学网核心数据库(WoSCC)中的地理限制方法。方法: 我们测试并评估了支持按国家/地区识别的内置功能和检索字段选项:我们测试并评估了支持按国家/地区和隶属关系进行识别的内置功能和搜索字段选项。我们将其与经过调整的过滤器进行了比较,以识别关于英国的医疗保健研究。我们使用 177 项研究计算了内置限制和过滤器的召回率,并调查了遗漏记录的原因。我们还计算了筛选所需总数(ONNS)的减少百分比:结果:如果地址栏中有数据,WoSCC 的内置限制可以识别来自特定国家/地区或所属机构的研究。根据所属单位进行细化,可以检索出在一组结果中所属单位出现频率最高的 200 或 500 项研究。英国 MEDLINE 过滤器的平均检索率为 97%。使用该过滤器后,ONNS 明显降低。不过,那些只在全文或其他不可搜索字段中提到国家或地区的研究将被遗漏:信息专家应考虑 WoSCC 的内置地理限制是如何运作的,以及这些限制是否适合他们的研究。经过调整的筛选器可以敏感地限制在英国范围内,由于其召回率高且能够显著减少ONNS,因此对系统综述很有用。在 WoSCC 数据库中使用地理过滤器是可行的(平台之间使用类似的搜索字段)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of the Medical Library Association
Journal of the Medical Library Association INFORMATION SCIENCE & LIBRARY SCIENCE-
CiteScore
4.10
自引率
10.00%
发文量
39
审稿时长
26 weeks
期刊介绍: The Journal of the Medical Library Association (JMLA) is an international, peer-reviewed journal published quarterly that aims to advance the practice and research knowledgebase of health sciences librarianship. The most current impact factor for the JMLA (from the 2007 edition of Journal Citation Reports) is 1.392.
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