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We have recently developed measures for \u201cinterdisciplinarity\u201d and distinguished these measurements from those of \u201csynergy.\u201d In this study, we analyze three review papers by\u00a0Judit Bar-Ilan (Scientometrics 50(1):7\u201332, 2001, Ann Rev Inf Sci Technol (ARIST) 38:231\u2013288, 2004, J Informetr 2(1):1\u201352, 2008a) in terms of whether they rank high on interdisciplinarity and synergy values among the 130 papers of her <jats:italic>\u0153uvre<\/jats:italic>. Review papers can be expected to fulfill a synergetic and perhaps also interdisciplinary function in scientific literature more than research articles, since the literature is considered from a broader perspective. Both the interdisciplinarity and synergy indicators point to Bar-Ilan (2004). The three reviews have high synergy scores.\u00a0Whereas Bar-Ilan (2008a) contributed to the redefinition and shaping of the discipline of \u201cinformation science,\u201d Bar-Ilan (2004) added the broader perspective of the theoretical and practical relevance of the discipline. Bar-Ilan (2001) reviews various methods for data collection at the Internet.\u00a0An article of Bar-Ilan and Peritz (2002) in Library Trends scores also high on synergy.<\/jats:p>","DOI":"10.1007\/s11192-020-03451-3","type":"journal-article","created":{"date-parts":[[2020,5,6]],"date-time":"2020-05-06T11:02:47Z","timestamp":1588762967000},"page":"1247-1260","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["\u201cInterdisciplinarity\u201d and \u201cSynergy\u201d in the \u0152uvre of Judit Bar-Ilan"],"prefix":"10.1007","volume":"123","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7835-3098","authenticated-orcid":false,"given":"Loet","family":"Leydesdorff","sequence":"first","affiliation":[]},{"given":"Lutz","family":"Bornmann","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2020,5,6]]},"reference":[{"issue":"3","key":"3451_CR1","doi-asserted-by":"publisher","first-page":"403","DOI":"10.1016\/j.joi.2012.01.002","volume":"6","author":"A Abbasi","year":"2012","unstructured":"Abbasi, A., Hossain, L., & Leydesdorff, L. 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