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Aug 3, 2021, 10:21:50 AMAug 3
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Apologies for cross-posting.


New submission deadline for the main track: August 16, 2021

New submission deadline for WTDO: August 23, 2021

The Seminar on Ontology Research in Brazil (ONTOBRAS) aims to gather the community of researchers and students that investigate the topic of Ontology in the context of Computer Sciences and Information Sciences, as well as IT, industry professionals, promoting opportunities and a scientific environment for the exchange of knowledge about theories, methods, ontology engineering tools and languages and experiences in the application of ontologies in the solution of various problems.

The seminar aims to expand and strengthen the community of Ontologies in Brazil, through the exchange of experiences between researchers, students, and professionals, and by encouraging proximity between Academia and Industry, allowing cutting-edge solutions designed in these environments to influence real applications in different sectors.

Researchers and professionals are invited to submit their contributions to theoretical, technical, and practical research that directly or indirectly deal with the topics of interest presented in the list below. Papers covering philosophical and theoretical foundations to new technologies and innovative applications are welcome.

The 14th Ontology Research Seminar in Brazil (ONTOBRAS 2021) will be ONLINE and FREE to be held on November 16, 17, 18 and 19, 2021.

Conference website:

Submission guidelines:

Submissions must be written in PORTUGUESE, SPANISH or ENGLISH, submissions in Portuguese and Spanish must have an abstract and keywords in English. Full papers must contain a maximum of 12 pages and short papers a maximum of 6 pages (excluding references). All submissions will go through a review process by specialists in the field. All papers must be original and not submitted simultaneously to another journal or conference. The following papers categories are welcome (page limits exclude references):

Full papers (up to 12 pages): High-quality papers on a wide range of topics with a focus on consolidated research contributions in ontologies. Contributions to theoretical, technical, and practical research that deal directly or indirectly with the areas listed below or related to them maybe even more specialized. They can also be works by advanced students whose dissertations or theses are in the final stage and were not completed on the submission date, but already show substantial results.

Short papers (up to 6 pages): Papers that discuss new ideas, in the early stages of development or may report partial results of ongoing research, dissertations or thesis.

Authors should indicate in the submission the category of paper submission. Additionally, it is suggested to indicate as a footnote on the paper first page which category is defined.

Submissions must be made on EasyChair using the following URL:


The 5th Doctoral and Masters Consortium on Ontologies (WTDO 2021) is a track of ONTOBRAS (Seminar on Ontology Research in Brazil) that offers an opportunity for Master and Doctoral students working in the area of Ontologies to discuss their research proposals with experts, receive feedback on methodological issues and develop a contact network with the research community.

The WTDO is focused on short papers describing MSc and Ph.D. research proposals on ontologies. The accepted papers will be presented in WTDO, which will occur during ONTOBRAS 2021. In 2021, the event will be VIRTUAL and FREE to be held on November 16, 17, 18 and 19, 2021.

MSc and Ph.D. students are invited are invited to submit their Research Proposals and the Research Sheets.

The Research Sheet must be included in the first 2 pages of the submitted document and should follow the template available of the following link:

The Research Proposal should appear on the 3rd page of the submission, and should occupy a maximum of 6 additional pages, including references (each submission must contain a maximum of 8 pages, including the research sheet and proposal). The pages of the research proposal must follow the TEMPLATE of the Brazilian Computing Society (SBC). Templates for MS Word, LibreOffice and LaTeX can be downloaded from the SBC website:

Submissions should be written in PORTUGUESE, SPANISH or ENGLISH, in a PDF file. The research proposals accepted for presentation in WTDO will be published along with the proceedings of ONTOBRAS.

Submissions to WTDO must be made via Easychair using the following URL:


All submissions must be in Adobe Portable Document Format (PDF) and must follow the template of the Brazilian Computing Society (SBC). The templates for Microsoft Office Word, Open Office, and LaTeX can be downloaded at

The files must be anonymous and the papers must not mention the respective names of the Projects and Universities (blind review).

The conference proceedings will be published in the online magazine CEUR-WS.

Awards: The ONTOBRAS Program Committee will select the best full papers to receive the award for the best ONTOBRAS 2021 paper.


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