Announcements

Notebook Paper Submission:
Authors can submit their notebook papers via EasyChair under the "LongEval Lab" track. Please ensure you select the correct task under "Topics." For formatting templates, page limits, and language requirements, please follow the official CLEF 2026 Submission Guidelines.

Run Submission:
Submissions will be managed through TIRA.io.
For full submission instructions, including formatting requirements, please see the Tasks page.

LongEval 2026:
LongEval will continue in 2026! Keep tuned with updates.

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Along with Sci-Retrieval task from 2025, we introduce three new tasks: LongEval-TopEx (Topic Extraction), LongEval-USim (User Simulation), and LongEval-RAG (Retrieval-Augmented Generation). The details of each task are described on the Tasks page.