A Bibliometric Map of the Hybrid Recommender Systems Field (2003-2024): Trends, Network Structures and Future Directions

Mehmet Alp Aytekin () and Funda Hatice Sezgin ()
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Mehmet Alp Aytekin: Ä°stanbul Ãœniversitesi-CerrahpaÅŸa

Eurasian Business & Economics Journal, 2026, vol. 44, issue 44, 58-75

Abstract: This study comprehensively examines the approximately twenty-year development of the hybrid recommendersystems field using bibliometric analysis methods. Academic publications produced between 2003 and 2024 werecompiled from various databases, and the structural dynamics of the field were revealed through citation analysis,co-authorship networks, keyword co-occurrence, and thematic clustering techniques. Overall, the studysystematically maps the evolution of the hybrid recommender systems literature and provides a strategic roadmapfor researchers and practitioners. The findings indicate that hybrid recommender systems have gained significantmomentum, particularly over the past decade. Initially emerging from the integration of content-based andcollaborative filtering approaches, the field has evolved into more complex and powerful models through theincorporation of deep learning, big data analytics, and artificial intelligence techniques. Moreover, these systemsare widely applied across various domains, including e-commerce, media platforms, and educational technologies.Network analyses reveal that the field is concentrated around specific countries and leading research institutions,while also highlighting the increasing trend of interdisciplinary collaboration. Keyword analysis further shows thatthemes such as “deep learning,†“context-aware systems,†“cold-start problem,†and “explainable AI†havebecome prominent in recent years. The article emphasizes that future research in hybrid recommender systemsshould focus more on explainability, ethical considerations, data privacy, and user-centered design. Additionally,the integration of heterogeneous data sources and the development of real-time recommendation mechanisms areidentified as key directions for future research.

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:eas:buseco:v:44:y:2026:i:44:p:58-75

DOI: 10.17740/eas.econ.2026-V44-04

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