A Reflection on the Applicability of Google Scholar as a Tool for Comprehensive Retrieval in Bibliometric Research and Systematic Reviews

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Title A Reflection on the Applicability of Google Scholar as a Tool for Comprehensive Retrieval in Bibliometric Research and Systematic Reviews
Creator Houshyar, Mojgan
Sotudeh, Hajar
Information Retrieval; Google Scholar; Accessibility; Bibliometric Studies; Systematic Reviews
Description Google Scholar has recently attracted great attentions as an open access multidisciplinary citation database, and a tool for retrieving scientific works for scientometricians and researchers. The present research intended to highlight the limitations brought about by efficiency policies of the search engine and its impact on the results available to users. To do so, it examined the accessibility of the retrieval results, through conducting 54 searches in this database. The results showed that the estimation of the results on the top of the first page returned by Google Scholar did not match that of the accessible results. Therefore, these statistics could not be accounted for to precisely determine the number of documents on a topic. Moreover, the results showed that although the subjects selected for the searches were very specific, the number of results for each search was very wide and exceeded the upper limit of 1,000 records authorized in Google Scholar for display. By limiting the searches to the title field, the number of the results was dramatically reduced. Since title is one of the most important representations of document contents in scientific and technical fields, this strategy can increase the precision of the results and thus the effectiveness of the retrievals. The investigation of the accessibility of the search results for the title field also showed that some documents, though scarce in number, were still inaccessible despite the fact that they were within the 1000-record limits. In addition, in title field search, some rare cases of duplicate records, incompatibilities between queries and documents were observed regarding the language of the documents and exact phrase search. The lack of automatic truncation in field searches was one of the most important issues necessitating the use of sophisticated search strategies.
Publisher Regional Information Center for Science & Technology
Date 2018-07-28
Type info:eu-repo/semantics/article

Format application/pdf
Identifier https://ijism.ricest.ac.ir/index.php/ijism/article/view/1267
Source International Journal of Information Science and Management (IJISM); Vol 16, No 2 (2018)
Language eng
Relation https://ijism.ricest.ac.ir/index.php/ijism/article/view/1267/341
Rights Copyright (c) 2018 International Journal of Information Science and Management (IJISM)

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