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SemOpenAlex: The Scientific Landscape in 26 Billion RDF Triples

SemOpenAlex: The Scientific Landscape in 26 Billion RDF Triples

Published: 2023

Buchtitel: Proceedings of the 22th International Semantic Web Conference (ISWC'23)
Seiten: 1-19
Verlag: Springer

Referierte Veröffentlichung


We present SemOpenAlex, an extensive RDF knowledge graph that contains over 26 billion triples about scientific publications and their associated entities, such as authors, institutions, journals, and concepts. SemOpenAlex is licensed under CC0, providing free and open access to the data. We offer the data through multiple channels, including RDF dump files, a SPARQL endpoint, and as a data source in the Linked Open Data cloud, complete with resolvable URIs and links to other data sources. Moreover, we provide embeddings for knowledge graph entities using high-performance computing. SemOpenAlex enables a broad range of use-case scenarios, such as exploratory semantic search via our website, large-scale scientific impact quantification, and other forms of scholarly big data analytics within and across scientific disciplines. Additionally, it enables academic recommender systems, such as recommending collaborators, publications, and venues, including explainability capabilities. Finally, SemOpenAlex can serve for RDF query optimization benchmarks, creating scholarly knowledge-guided language models, and as a hub for semantic scientific publishing.

ISWC Best Paper Award 2023!

Download: Media:SemOpenAlex_ISWC2023.pdf

Verknüpfte Datasets



Web Science


Vernetzte Daten, Wissensrepräsentation, Digitale Bibliotheken, Künstliche Intelligenz