Property talk:P203

Knows about is a property that links person or organization ("parties") entities to some other concept in the knowledge graph that can be in many different classification systems. It is used to turn text-only labels for things like expertise terms shared via staff profile pages to something in the knowledgebase with more definition and organization. Not all expertise terms are as yet linkable with more curation work needed to incorporate additional knowledge into the GeoKB and further work on refining embedding models to help link concepts more effectively. All expertise terms from staff profiles are recorded in the schema.org documents stashed in item talk pages for person entities, so those terms will still be useful in full text search on the Wikibase while we work to get them refined into the system.

OpenAlex Topics

OpenAlex Topics are another recent source for knows about claims for people. OA Topics come from an AI-assisted analysis of scientific papers with resulting links to people as authors/contributors. They are organized into a classification system of domains, fields, subfields, and topics. This hierarchical system is reflected in the GeoKB via subclass of relationships, allowing for transitive exploration from points within the linked concept system. Most of the OpenAlex domains and fields mapped to existing topical concepts already introduced to the GeoKB, now with additional same as statements pointing to resolvable OA URLs.

The following query will pull the graph of OpenAlex topics, the subset that has been linked to USGS products and contributors.

PREFIX wd: <https://geokb.wikibase.cloud/entity/>
PREFIX wdt: <https://geokb.wikibase.cloud/prop/direct/>

SELECT ?item ?itemLabel ?same_as ?subclass_of ?subclass_ofLabel
WHERE {
  ?item wdt:P84 ?same_as ;
        wdt:P2 ?subclass_of .
  FILTER (CONTAINS(STR(?same_as), "openalex"))
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en" . }
}

Try it!