=Paper=
{{Paper
|id=Vol-3263/invited-4
|storemode=property
|title=Knowledge Extraction Based on Forgetting and Subontology Generation (DL Invited Talk Abstract)
|pdfUrl=https://ceur-ws.org/Vol-3263/invited-4.pdf
|volume=Vol-3263
|authors=Renate A. Schmidt
|dblpUrl=https://dblp.org/rec/conf/dlog/Schmidt22
}}
==Knowledge Extraction Based on Forgetting and Subontology Generation (DL Invited Talk Abstract)==
<pdf width="1500px">https://ceur-ws.org/Vol-3263/invited-4.pdf</pdf>
<pre>
Knowledge Extraction Based on Forgetting and
Subontology Generation
DL Invited Talk Abstract

Renate A. Schmidt
University of Manchester, Oxford Rd, Manchester M13 9PL, UK

Keywords
Knowledge extration, forgetting, description logics, ontologies


   This presentation will give an overview of our ongoing work in developing knowledge
extraction methods for description logic based ontologies. Because the knowledge is not only
given by the axioms stated in an ontology but also by the knowledge that can be inferred from
these axioms, knowledge extraction is a challenging problem. Forgetting creates a compact and
faithful representation of the stored knowledge over a user-specified signature by performing
inferences on the symbols outside this signature.
   After an introduction of the idea of forgetting, an overview of our forgetting tools and some
applications we have explored, I will discuss recent collaborative work with SNOMED Inter-
national to create bespoke knowledge extraction software for the medical ontology SNOMED
CT. The software creates a self-contained subontology containing definitions of a specified
set of focus concepts which minimises the number of supporting symbols used and satisfies
SNOMED modelling guidelines. Such subontologies make it easier to reuse and share content,
assist with ontology analysis, and querying and classification is faster. The talk will give an
overview of this research spanning several years, focussing on key ideas, findings, practical
challenges encountered and current applications.




              DL 2022: 35th International Workshop on Description Logics, August 7–10, 2022, Haifa, Israel
Envelope-Open Renate.Schmidt@manchester.ac.uk (R. A. Schmidt)
GLOBE http://www.cs.man.ac.uk/~schmidt/ (R. A. Schmidt)
Orcid 0000-0002-6673-3333 (R. A. Schmidt)
                                    © 2022 Copyright for this paper by its authors. Use permitted under Creative Commons License Attribution 4.0 International (CC BY 4.0).
 CEUR
 Workshop
 Proceedings
               http://ceur-ws.org
               ISSN 1613-0073
                                    CEUR Workshop Proceedings (CEUR-WS.org)

</pre>