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12th Workshop on Ontology Design and Patterns - WOP2021

This is the twelfth edition in a series of workshops addressing the topic of ontology and semantic web patterns as best practices, related to the ontologydesignpatterns.org initiative.

The workshop series covers issues related to quality in ontology design and ontology design patterns (ODPs) for data and knowledge engineering in Semantic Web. The increased attention to ODPs in recent years through their interaction with emerging trends of Semantic Web such as knowledge graphs can be attributed to their benefit for knowledge engineers and Semantic Web developers. Such benefits come in the form of a direct link to requirements, reuse, guidance, and better communication. The workshop’s aim is thus not just: 1) providing an arena for discussing patterns, pattern-based ontologies, systems, datasets, but also 2) broadening the pattern community by developing its own "discourse" for discussing and describing relevant problems and their solutions.

For more background on the workshop series, see the main page.

WOP2021 is a full-day workshop consisting of three parts: keynote presentation, paper presentation session, and an interactive Q&A discussion session.


Venue and dates

The twelfth edition of WOP will be held in conjunction with ISWC 2021. WOP 2021 is a ** virtual ** workshop.


Martin G. Skjæveland, University of Oslo

Title: TBD

Workshop Schedule

WOP will run on Sunday October 24, 2021, during the following times:

  • EDT: 09:00-14:30 (9 AM-2:30 PM)
  • CEST: 15:00-20:30
  • CST: 21:00-02:30


Times below given in EDT, New York time

  • 09:00 - 09:15 -- Welcome and Workshop Overview (Organizers)
  • 09:15 - 10:15 -- Paper presentations (15 minute presentation + 5 minute Q&A)
    • 09:15 - 09:35 -- OPLaX: annotating ontology design patterns at conceptual and instance level (Luigi Asprino, Valentina Anita Carriero, Christian Colonna and Valentina Presutti)
    • 09:35 - 09:55 -- Aligning Patterns to the Wikibase Model (Andrew Eells, Lu Zhou, Cogan Shimizu, Pascal Hitzler, Seila Gonzalez Estrecha and Dean Rehberger)
    • 09:55 - 10:15 -- Mapping Biographical events to ODPs through Lexico-Semantic Patterns (Marco Antonio Stranisci, Valerio Basile, Rossana Damiano and Viviana Patti)
  • 10:15 - 10:45 -- Joint Follow-Up Q&A session
  • 10:45 - 11:00 -- Break
  • 11:00 - 12:00 -- Keynote presentation (Martin Skjaeveland)
  • 12:00 - 13:00 -- Paper presentations (15 minute presentation + 5 minute Q&A)
    • 12:00 - 12:20 -- A Pattern for Modeling Causal Relations Between Events (Cogan Shimizu, Rui Zhu, Mark Schildhauer, Krzysztof Janowicz and Pascal Hitzler)
    • 12:20 - 12:40 -- The Music Note Ontology (Andrea Poltronieri and Aldo Gangemi)
    • 12:40 - 13:00 -- An Ontology Design Pattern for Modeling Pollution (Saad Ahmad, Sudhir Attri and Raghava Mutharaju)
  • 13:00 - 13:30 -- Joint Follow-Up Q&A session
  • 13:30 - 14:30 -- Happy Hour Discussion Session / Town Hall / Closing

Call for Papers and Patterns

We invite the submission of original research results related to the focus areas of the workshop, in one of three categories:

  1. Research papers (maximum 15 pages LNCS style) presenting mature work and established results.
  2. Short papers (maximum 5 pages LNCS style) presenting proposed research directions, novel ideas, or more general positions or discussions.
  3. Ontology Design Patterns (described in paper format, 5-12 pages LNCS style) should solve a particular modeling problem, of relevance either to the broader ontology engineering community or to some specific knowledge domain, in a novel and reusable manner. These must additionally be submitted through the ODP community portal.

Topics of interest

Topics include but are not limited to:

  1. Use of ontology design patterns for any kind of knowledge engineering, including
    • Pattern-based ontology design, conceptual modeling or knowledge engineering broadly
    • Use in knowledge graphs or linked data settings (including pattern-driven linking or data publishing)
    • Pattern-based information extraction, ontology learning, and relation to NLP
    • Use in streaming, ingesting or evolving knowledge
    • Use of patterns for ontology evaluation, quality assurance, ontology selection, integration or alignment
    • Pattern-based development of semantic applications
    • Reasoning with patterns (including automated reasoning, verification, or contextual reasoning)
  2. Methods and tools for developing high-quality ontologies (with or without the help of patterns), including
    • Ontology engineering by domain experts
    • Quality attributes or metrics in ontologies and ontology engineering
    • Quality assurance approaches for ontology engineering
    • Critical analysis of the design of existing ontologies, and proposals on how to improve the design, possibly by using ODPs
  3. Development or analysis of ontology design patterns, including
    • Pattern extraction
    • Analyses of ontology design patterns or their uses
    • Antipatterns and their relations to ODPs
  4. Development and use of patterns in specific domains, including
    • Date lakes, business intelligence, or Big Data integration
    • Geosciences, life sciences, engineering, digital humanities, cultural preservation
    • IoT, smart homes & cities, smart agriculture
    • Semantic technology including social networks, semantic wikis or blogs


Submissions should be made via the WOP 2021 EasyChair page. Detailed instructions can be found at the submission page. Note that design pattern submissions also need to be submitted to the ontologydesignpatterns.org community portal, as described on that page.

Important Dates

  • Papers submissions: July 5, 2021 Extended: July 19, 2021
  • Papers notifications: July 25 2021 August 8, 2021
  • Camera-ready submissions: September 1 September 5, 2021
  • Workshop held on: October 24, 2021


Accepted papers will be published through CEUR-WS.

WOP Organisation

WOP2021 Chairs

Steering Committee

The WOP Steering committee - the Board of the Association of Ontology Design and Patterns - consists of:

Managing committee

Other board members

  • Luigi Asprino, University of Bologna (elected 2020-2022)
  • Gary Berg-Cross, Ontolog Forum (elected 2020-2022)
  • Eva Blomqvist, Linköping University (elected 2016-2018, chair - elected 2017-2020, elected 2020-2022)
  • Aldo Gangemi, ISTC-CNR (elected 2016-2018, re-elected 2018-2020, re-elected 2020-2022)
  • Fiorela Ciroku, University of Bologna (elected 2020-2022)
  • Pascal Hitzler, Kansas State University (vice chair - elected 2017-2020, elected 2020-2022)
  • Adila Krisnadhi, Universitas Indonesia (elected 2017-2020, re-elected 2020-2022)
  • Valentina Presutti, University of Bologna (vice chair - elected 2016-2018, vice chair - re-elected 2018-2020, elected 2020-2022)
  • Jim Salmons, Citizen Scientist at FactMiners.org and The Softalk Apple Project (elected 2018-2020, re-elected 2020-2022)

PC members

  • Adila A. Krisnadhi, Universitas Indonesia
  • Agnieszka Lawrynowicz, Poznan University of Technology
  • Alba Fernandez-Izquierdo, Universidad Politécnica de Madrid
  • Albert Meroño-Peñuela, King's College London
  • Bruno Sartini, University of Bologna
  • Dalia Varanka, U.S. Geological Survey
  • Eva Blomqvist, Linköping University
  • Fiorela Ciroku, Universita di Bologna
  • Giorgia Lodi, Istituto di Scienze e Tecnologie della Cognizione (CNR)
  • He Tan, Jönköping University
  • Ludovica Marinucci, ISTC-CNR
  • Margherita Porena, ISTC - Istituto di Scienze e Tecnologie della Cognizione
  • Maria Hedblom, University of Bremen
  • Pasquale Lisena, EURECOM
  • Rui Zhu, Department of Geography, University of California, Santa Barbara
  • Shirly Stephen Ambrose, Arizona State University
  • Stefano De Giorgis, Alma Mater University of Bologna

WOP 2021 | Start date: 2021/10/24 | End date: 2020/10/28


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