OpenAlex: A fully-open index of scholarly works, authors, venues, institutions, and concepts
Jason Priem, Heather Piwowar, Richard Orr

TL;DR
OpenAlex is a comprehensive, open-access knowledge graph that provides detailed metadata on scholarly works, authors, venues, institutions, and concepts, serving as a free alternative to MAG.
Contribution
It introduces a fully open, large-scale scholarly knowledge graph with extensive metadata, replacing the discontinued Microsoft Academic Graph.
Findings
Contains metadata for 209 million works
Includes 2.013 billion disambiguated authors
Provides open access via GUI, data dump, and API
Abstract
OpenAlex is a new, fully-open scientific knowledge graph (SKG), launched to replace the discontinued Microsoft Academic Graph (MAG). It contains metadata for 209M works (journal articles, books, etc); 2013M disambiguated authors; 124k venues (places that host works, such as journals and online repositories); 109k institutions; and 65k Wikidata concepts (linked to works via an automated hierarchical multi-tag classifier). The dataset is fully and freely available via a web-based GUI, a full data dump, and high-volume REST API. The resource is under active development and future work will improve accuracy and coverage of citation information and author/institution parsing and deduplication.
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Taxonomy
TopicsTopic Modeling · Advanced Graph Neural Networks · Semantic Web and Ontologies
