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

Journal of Synchrotron Radiation Journal of
Synchrotron Radiation

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Figure 8
The full OpenAlex topic classification model. Title, abstract, and journal name are processed by separate language models. The citations are first mapped to two lists of integers, before being passed into an embedding layer. All these outputs are then pooled and passed into the multilayer perceptron.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 33| Part 5| September 2026|

https://doi.org/10.1107/S1600577526006685

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