Topic classification of synchrotron experiment proposals using the OpenAlex model: enhancing metadata granularity and assessing live service feasibility

Tan, T.; Clark, O.J.; Derry, M.J.; Duyme, R.; Faria, G.A.; Farla, R.; Flaig, R.; Ghimirey, Y.P.; Ghosh, A.; Gomez-Gonzalez, M.A.; Heeley, E.L.; Herlihy, A.; Kleppe, A.; Millar, P.; Nentwich, M.; Pickston, J.; Terrill, N.; Wagner, A.; Walters, A.C.; Watson, M.; Rocca-Serra, P.; Sansone, S.-A.; Collins, S.P.

doi:10.1107/S1600577526006685

Figure 1
The classification follows a four-level hierarchy, from the most granular level of Topics to Subfields, and then to Fields, and finally to Domains.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 33| Part 5| September 2026| Pages 1589-1604

https://doi.org/10.1107/S1600577526006685

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