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<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;">[Apologies if you receive multiple copies]</p>
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<p class="elementToProof" style="margin: 0px 0cm;"><span style="font-family: Aptos, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Deadline Extension: Since the notification of several FLoC conferences, including CP and SAT, is at the end of the month,
we extended the XLoKR & ExCoS submission deadline to May 7, 2026.</span></p>
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CALL FOR PAPERS (Extended Submission deadline May 7, 2026)</p>
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<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;"> </p>
<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;">FLoC 2026 Joint Workshop on</p>
<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;">Explainable Logic-Based Knowledge Representation (XLoKR) and</p>
<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;">Explanations with Constraints and Satisfiability (ExCoS)</p>
<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;"> </p>
<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;"><span style="color: rgb(70, 120, 134);"><a href="https://sites.google.com/view/xlokrexcos2026/" id="OWA5ffac3a2-e967-e514-21e0-666d017d51ed" class="OWAAutoLink" data-auth="NotApplicable" style="color: rgb(70, 120, 134); margin-top: 0px; margin-bottom: 0px;"><u>https://sites.google.com/view/xlokrexcos2026/</u></a></span></p>
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<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;">Lisbon, Portugal, July 24th 2026</p>
<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;">Co-located with the 9th Federated Logic Conference (FLOC) 2026,</p>
<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;">including CP, KR, SAT and other related conferences.</p>
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<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;">AUTHOR GUIDELINES AND SUBMISSION INFORMATION</p>
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<p class="elementToProof" style="margin: 0px 0cm;"><span style="font-family: Aptos, sans-serif; font-size: 12pt;">Paper Submission:
</span><span style="font-family: Aptos, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">May 7</span><span style="font-family: Aptos, sans-serif; font-size: 12pt;">, 2026</span></p>
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Notification (potentially later due to deadline extension): May 25, 2026</p>
<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;">Camera-ready papers: July 3, 2026</p>
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<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;">We invite extended abstracts of 2–5 pages (excluding references) on topics related to explainability in symbolic, logic-based AI. For submissions of already-published works, the submission
may consist of the original published paper together with a note stating the publication venue and year. Reviewing will be single-blind. New papers should be formatted using the LIPIcs style (<span style="color: rgb(70, 120, 134);"><a href="https://drops.dagstuhl.de/entities/series/LIPIcs" id="OWA9ae4f15d-15bb-1a8f-be11-648ba0316b8f" class="OWAAutoLink" data-auth="NotApplicable" style="color: rgb(70, 120, 134); margin-top: 0px; margin-bottom: 0px;"><u>https://drops.dagstuhl.de/entities/series/LIPIcs</u></a></span>)
and must be submitted via</p>
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<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;"><span style="color: rgb(70, 120, 134);"><a href="https://submissions.floc26.org/xlokr-excos/" id="OWAef13c3d6-0021-e48c-cc43-fb7dc5e60596" class="OWAAutoLink" data-auth="NotApplicable" style="color: rgb(70, 120, 134); margin-top: 0px; margin-bottom: 0px;"><u>https://submissions.floc26.org/xlokr-excos/</u></a></span></p>
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<p style="margin: 0cm; font-family: Aptos, sans-serif; font-size: 12pt;">Accepted contributions which have not been published before will be made available on the workshop website (unless the authors wish to opt out of this option).</p>
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