OpenAlex: A fully-open index of scholarly works, authors, venues, institutions, and concepts

@article{Priem2022OpenAlexAF,
  title={OpenAlex: A fully-open index of scholarly works, authors, venues, institutions, and concepts},
  author={Jason Priem and Heather A. Piwowar and Richard Orr},
  journal={ArXiv},
  year={2022},
  volume={abs/2205.01833}
}
In May 2021, Microsoft announced that it was discontinuing support for Microsoft Academic Graph (Sinha, Shen, et al., 2015), a free and widely-used Scientific Knowledge Graph (SKG). This was met with considerable concern, as MAG was viewed as difficult to replace with existing systems (Tay, Martín-Martín, and Hug, 2021). The OpenAlex project was created to address this concern. It launched as a drop-in replacement for MAG contemporaneously with MAG’s retirement on January 1st 2022. 
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Comparison of metadata with relevance for bibliometrics between Microsoft Academic Graph and OpenAlex until 2020
Introduction Since its launch in 2015, Microsoft Academic Graph (MAG; Sinha et al., 2015) had been a promising new data source for bibliometric analyses due to its large coverage and set of available…

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