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From PACS to PhySH

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Physics keeps changing and so do classification and subject indexing. Arthur Smith recalls the final updates to the Physics and Astronomy Classification Scheme (PACS) and the development of the Physics Subject Headings (PhySH), and ponders future directions.

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References

  1. Krumhansl, J. A. & Trigg, G. L. Indexing and classification. Phys. Rev. Lett. 34, 1065 (1975).

    Article  ADS  Google Scholar 

  2. Physics Classification Workshop. Physics classification — Boston, MA — November 28, 2011. Physics Classification Workshop https://sites.google.com/site/physicsclassification2011 (2011).

  3. World Wide Web Consortium. Simple knowledge organization system. W3.org https://www.w3.org/2004/02/skos (2012).

  4. Conover, E. New physics classification scheme unveiled. APS News https://www.aps.org/publications/apsnews/201602/classification.cfm (2016).

  5. American Physical Society. PhySH now publicly available. APS Physics https://journals.aps.org/edannounce/physh-now-publicly-available (2018).

  6. US National Library of Medicine. Medical subject headings. NIH.gov https://www.nlm.nih.gov/mesh/ (2018).

  7. American Astronomical Society. (2013). Unified astronomy thesaurus. Astrothesaurus http://astrothesaurus.org (2013).

  8. The SAO/NASA Astrophysics data system. Harvard.edu https://ui.adsabs.harvard.edu/ (2018).

  9. EMBL-EBI. Data collections. Identifiers.org https://www.ebi.ac.uk/miriam/main/collections (2018).

  10. Marcus, G. Deep learning: a critical appraisal. Preprint at arXiv https://arxiv.org/abs/1801.00631 (2018).

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Smith, A. From PACS to PhySH. Nat Rev Phys 1, 8–11 (2019). https://doi.org/10.1038/s42254-018-0004-4

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