Timeline & Author Instructions

Timeline

17 Nov 2025 (Mon): Lab registration opens.
03 Dec 2025 (Wed): First release of training example data. Release of Participation Guidelines.
19 Dec 2025 (Fri): Additional release of training example data, Release of submission format checker and evaluation scorer.
01 Jan 2026 (Mon): We release additional data called sandbox with “silver” quality data. This is a larger amount of high-quality automatic LLM-based annotations for proto-typing, training, or any other purposes.
21 Jan 2026 (Wed): Release of final training data. Please find the extended data here. 932 annotated relations in 34 Historical German articles; 614 annotated relations in 35 Historical English articles; 956 annotated relations in 35 Historical French articles.
23 Apr 2026 (Thu): Lab registration closes.
05 May 2026 (Tue): Test data release (10:00 CEST).
07 May 2026 (Thu): Participant system response submission deadline (20:00 CEST).
13 May 2026 (Wed): Publication of results and release of test data.
28 May 2026 (Thu): Submission of participant notebook paper.
25 Jun 2026 (Thu): Notebook paper submission.
30 Jun 2026 (Tue): Notebook paper notification.
06 Jul 2026 (Mon): Notebook paper camera-ready version.
10 Jul 2026 (Fri): CLEF conference regular registration ends.
31 Aug 2026 (Mon): CLEF conference late registration ends.
21 Sep 2026 (Mon): CLEF 2026 Conference.

All times are CEST.

Please also refer to the general timeline of CLEF 2026 for now: CLEF 2026 Dates

The Participation Guidelines are available on Zenodo. Here’s the link.

[Will be completed in due time]