Date of this Version
2026
Document Type
Article
Citation
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Abstract
Library and Information Science is among the oldest and intellectually pluralistic scholarly disciplines but the inner thematic structure has not been established. The article develops a systematic and data intensive mapping of the field by the Latent Dirichlet Allocation topic modelling to 7,824 articles in the English language indexed in OpenAlex in the year 2000 to 2025. A ten topic solution is an optimised solution that identifies a group of readable and sensible thematic domains including information literacy digital libraries scientometrics archives and scholarly communication. The analysis of temporal trajectory reveals that there have been consistent expansion at the emergent locations such as scientometrics open access and digital preservation and consolidation at the previously established competency oriented themes. The structural relations and intellectual dependencies that constitute the discipline is also explained through a dynamic topic co occurrence network. At the same time the assessment of the open access allocation and field weighted citation effect is that the scientometrics and health information research have disproportionately high citation effect in terms of its share of corpus. Combined these insights provide a mature and analytically sound explanation of the changing knowledge structure of Library and Information Science with much bearing on the research policy formulation and strategic directions in scholarly communication.
Cover Letter
