CfP: Deadline Extension for Challenges Proposals at ISWC 2025 (March 4)

24th International Semantic Web Conference (ISWC 2025)

Nara, Japan

November 2-6, 2025

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A great way to advance the state of the art in a given domain is to create competition. We invite you to propose an ISWC 2025 Challenge, in which you define an open competition on a problem of your choice within the Semantic Web domain.

Topics:

For ISWC 2025, Challenge proposals are invited for any challenge involving Semantic Web tasks, including but not limited to:

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Ontology and knowledge graph alignment -

Ontology and knowledge graph quality assurance (QA) -

Knowledge graph construction and refinement -

Graph embeddings and graph neural networks -

Query and reasoning scalability -

Open information extraction -

Neurosymbolic reasoning -

Semantic Web and data mining -

Semantic Web, machine learning, and neuro-symbolic AI -

Link prediction -

Question answering -

Stream processing and reasoning -

Semantic table understanding -

Agents (especially using neuro-symbolic methods) and agentic workflows -

Retrieval Augmented Generation (RAG)

Proposal Stage:

ISWC 2025 will run multiple challenges with the aim of evaluating and comparing software solutions for the Semantic Web and Knowledge Graphs in a systematic way. To propose a challenge, you are required to:

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Specify a task to be addressed. -

Provide an evaluation dataset. -

Define evaluation measures to compare the performance of participating systems.

Important Date:

Challenge proposal submission due March 4th, 2025

Website: https://iswc2025.semanticweb.org/#/calls/challenges

Semantic Web Challenge Chairs:

Contact: iswc2025-challenge@easychair.org

Mayank Kejriwal

University of Southern California, United States

Pablo Mendes

Upwork, United States

Would you like to know about the host city, Nara? Check out this blog: https://iswc2025.semanticweb.org/#/blogs/host