Tag Archives: Physics

PhySH – Physics Subject Headings

Short Description

PhySH (Physics Subject Headings) is a physics classification scheme developed by the American Physical Society to organize journal, meeting, and other content by topic, available for use starting in January 2016. It is intended initially to meet the specific goals of the APS, while a longer term goal is to make it available for use by the broader community. PhySH consists of hierarchies of concepts grouped into facets: Research Areas, Physical Systems, Properties, Techniques, and Professional Topics. The concepts are also organized by discipline for convenience. Individual concepts may belong to more than one facet or discipline.



Owned/Developed by

  1. Name of Owner: American Physical Socety
  2. Technical Contact:  Arthur Smith, *protected email*
  3. License Contact: Mark Doyle, *protected email*

Adopted (as opposed to owned) by organizations/publishers:
How is this KM applied?

  1. Manually
  2. By Authors and Editorial Staff

How is this KM used?

  1. Classify manuscripts within the APS peer-review process
  2. Help editors in finding similar articles previously submitted and in finding suitable referees

Description of the current use case(s) of the KM

  1. Manuscripts are assigned concepts from PhySH by submitting authors; these assignments are reviewed and may be modified by editors.
  2. For each journal section, relevant concepts are assigned to the most appropriate handling editor who is knowledgeable in that area
  3. Editors can search for other articles on the same or related topics

Description of the future/potential use cases of the KM (not yet realized)

  1. Improve finding relevant content across APS journals, which often have overlapping scopes
  2. Link relevant content from other APS non-journal areas (e.g., meetings)
  3. Map other classification systems (eg. PACS) to PhySH to enable older material to be indexed in the same way
  4. Allow individuals (particularly referees) to identify their areas of expertise
  5. Integrate with other knowledge models – For example, an independent taxonomy for chemical substances or astronomical objects should be relatively easy to append to PhySH.
  6. PhySH concepts have permanent identifiers allowing them to be integrated into the web of linked data.

What are the main goals for using this KM?

  1. Improve the peer-review process for our journals by ensuring the right expertise is applied in reviews (PACS, which was previously used for this, ceased updating in 2010).
  2. Cover all of physics
  3. Improve discovery – Content properly tagged with PhySH is intended to enable new and useful ways to browse and search the content while providing the underpinnings for recommendation systems and other personalized services.

Rationale for KM vs other means of searching and browsing?

  1. By providing a standardized list of “keywords” rather than relying on author-supplied terms or full-text or statistical indexing, we can have a greater assurance that related articles are associated with one another.

Is the KM being actively developed?

  1. Yes, internally – also feedback is welcome, see physh.aps.org website for links.

License information:

  1. PhySH is copyrighted with all rights reserved by the American Physical Society. We are still considering what license we would use for any public release of PhySH.

IOP Thesaurus

Short Description:

The IOP thesaurus is a collection of ca. 6000 terms describing concepts in physics and related areas.


The model is not currently available externally.

Owned/Developed by:

  1. Name of Owner:   IOP Publishing Ltd
  2. Name of Developer:  Michael Roberts, *protected email*
  3. Technical Contact:   Michael Roberts, *protected email*
  4. License Contact:   Not applicable

Adopted (as opposed to owned) by organizations/publishers:
How is this KM applied?

IOP Publishing, applied manually and through auto-tagging software (Luxid/TEMIS),  Editorial Staff and Referees

How is this KM used?

Not currently in production use for semantic enrichment.

Description of the current use case(s) of the KM

Used for indexing of referees, within ScholarOne Manuscripts.

Description of the future/potential use cases of the KM (not yet realized)

Faceted search, display of further relevant content, key-word driven advertising.

What are the main goals for using this KM?

  1. Improve service to readers on IOPscience
  2. Enhance UX
  3. Increase Search Engine Ranking
  4. Increase time user spends on site
  5. Increase traffic
  6. Increase downloads
  7. New opportunities for innovation

Rationale for KM vs other means of searching and browsing?

As the IOP thesaurus describes relationships between topics as well as providing keywords, it provides a powerful mechanism for determining relevant content and search faceting not available through statistical approaches. The machine-based indexing approach ensures consistency across the corpus, avoiding human bias in applying keywords.

Is the KM being actively developed?

Yes, internally

License information:

KM is not currently available to license

IOP Publishing

Knowledge Models Used


IOP Publishing provides publications through which leading-edge scientific research is distributed worldwide. IOP Publishing is central to the Institute of Physics (IOP), a not-for-profit society. Any financial surplus earned by IOP Publishing goes to support science through the activities of IOP.

Beyond our traditional journals programme, we make high-value scientific information easily accessible through an ever-evolving portfolio of community websites, magazines, conference proceedings and a multitude of electronic services. Focused on making the most of new technologies, we’re continually improving our electronic interfaces to make it easier for researchers to find exactly what they need, when they need it, in the format that suits them best.



Graham McCann, *protected email*

Michael Roberts, *protected email*