JOKER

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CLEF 2025 JOKER Track:

Automatic Humour Analysis

JOKER Sessions take place in the Ricardo Marín room (Facultad de Educación) except for the plenary CLEF conference sessions in Salón de Actos (Facultad de Educación) on Tuesday, 9 September.

If you registered for CLEF (online), the conference will provide the links for sessions.

Tuesday 9th September

Best of the Lab 2024 (Salón de Actos)

10:00 – 10:20 S.-H. Wu, T.-Y. Lau, Y.-F. Huang. Humour Classification According to Genre and Technique by Fine-tuning LLMs. (Paper)

Lab Overviews 1 (Salón de Actos)

11:30 - 13:15 Lab Overviews 1 [Salón de Actos]: LifeCLEF, BioASK, Touché, JOKER, LongEval
Liana Ermakova, Ricardo Campos, Anne-Gwenn Bosser, Tristan Miller. 2025. Overview of the CLEF 2025 JOKER Lab: Humour in Machine (Paper, Slides)

JOKER Session 1 (Room Ricardo Marín)

14:15 - 14:45 CLEF 2025 JOKER Task Overviews :
Liana Ermakova, Ricardo Campos, Anne-Gwenn Bosser, Tristan Miller. Overview of the CLEF 2025 JOKER Task 1: Humour-aware Information Retrieval. (Paper, Slides)
Liana Ermakova, Anne-Gwenn Bosser, Tristan Miller, Ricardo Campos. Overview of the CLEF 2025 JOKER Task 2: Wordplay Translation from English into French. (Paper, Slides)
Liana Ermakova, Tristan Miller, Yaël Naud, Anne-Gwenn Bosser, Ricardo Campos. Overview of the CLEF 2025 JOKER Task 3: Onomastic Wordplay Translation. (Paper, Slides)
14:45 - 15:45 Participants presentations (10+5 min)
📶 Duvan Andres Marrugo Tobon, Jeison David Jimenez, Jairo Serrano, Juan Carlos Martinez Santos and Edwin Puertas. UTBNLP at CLEF JOKER 2025 Task 2: mBART-50 Fine-Tuning with Dictionary-Guided Forced Decoding and Phoneme-Based Techniques for English-French Pun Translation. (Paper)
📶 Tanish Chaudhari, Ansh Vora, Sanjeev Hotha and Sheetal Sonawane. PICT at CLEF 2025 JOKER Task 1: BERT-Enhanced Ensemble Methods. (Paper)
📶 Igor Kuzmin. No Pun Left Behind: Skommarkos at CLEF 2025 JOKER Lab Tasks 1 \& 2 - Humour Retrieval and Translation. (Paper)

Poojan Vachharajani. pjmathematician at the CLEF 2025 JOKER Lab Tasks 1, 2 & 3: A Unified Approach to Humour Retrieval and Translation using the Qwen LLM Family. (Paper)

JOKER Session 2

16:30 - 17:30 CLEF 2024 Participant presentations (10+5 minutes).
Alecsandru Kreefft-Libiu, Finley Helms, Cem Selçuk, Jan Bakker and Jaap Kamps. University of Amsterdam at the CLEF 2025 JOKER Track. (Paper, Slides)

📶 Russell Taylor, Benajmin Herbert and Michael Sana. Pun Intended: Multi-Agent Translation of Wordplay with Contrastive Learning and Phonetic-Semantic Embeddings for CLEF JOKER 2025 Task 2. (Paper)

📶 Maria Paz Ramirez Atencio, Jeison D. Jimenez, Deyson Gómez, Jairo E. Serrano, Edwin Puertas and Juan C. Martinez Santos. VerbaNexAI at CLEF 2025 JOKER Task 3: Multi-Model LLM Approach for Onomastic Wordplay Translation. (Paper)
17:30 - 18:00 Additional participants’ talks, Round table and break-out JOKER 2026 discussion
- We want to hear from you!
- What was great about 2024, and what could we improve for you?
- Any ideas or volunteers are welcome!
- JOKER roadmap (Slides).

Closing and Introduction of CLEF 2026 (Salón de Actos – Facultad de Educación) - Friday 12 September

13:00 - 14:00 Closing and plans for 2026 (including the CLEF 2026 JOKER Track, Slides).

All CLEF 2025 JOKER track papers

Including authors unable to present in-person or online:

Humour in the Machine (JOKER)

Liana Ermakova, Tristan Miller, Yaël Naud, Anne-Gwenn Bosser, Ricardo Campos. Overview of the CLEF 2025 JOKER Task 1: Humour-aware Information Retrieval, 2744-2760. (Paper)
Liana Ermakova, Tristan Miller, Yaël Naud, Anne-Gwenn Bosser, Ricardo Campos. Overview of the CLEF 2025 JOKER Task 2: Wordplay Translation from English into French, 2761-2779. (Paper)
Liana Ermakova, Tristan Miller, Yaël Naud, Anne-Gwenn Bosser, Ricardo Campos. Overview of the CLEF 2025 JOKER Task 3: Onomastic Wordplay Translation, 2780-2790. (Paper)
Georgios Arampatzis, Avi Arampatzis. DUTH at CLEF JOKER 2025 Tasks 2 and 3: Translating Puns and Proper Names with Neural Approaches, 2791-2802. (Paper)
Tanish Chaudhari, Ansh Vora, Sanjeev Hotha, Sheetal Sonawane. PICT at CLEF 2025 JOKER Track: Humour-Aware Information Retrieval using BERT-Enhanced Ensemble Methods, 2803-2812. (Paper)
Bo Chen, Changle Zhong, Leilei Kong. CLEF 2025 JOKER Track Enhancing Humor-Aware Information Retrieval with Relevance-Aware Classification, 2813-2820. (Paper)
Alecsandru Kreefft-Libiu, Finley Helms, Cem Selçuk, Jan Bakker, Jaap Kamps. University of Amsterdam at the CLEF 2025 JOKER Track, 2821-2828. (Paper)
Igor Kuzmin. CLEF 2025 JOKER Track: No Pun Left Behind, 2829-2837. (Paper)
Duvan Andres Marrugo-Tobon, Jeison D. Jimenez, Jairo E. Serrano, Juan C. Martinez-Santos, Edwin Puertas. UTBNLP at CLEF JOKER 2025 Task 2: mBART-50 Fine-Tuning with Dictionary-Guided Forced Decoding and Phoneme-Based Techniques for English-French Pun Translation, 2838-2848. (Paper)
Sarath Kumar P, Beulah A, Sushmitha M, Thanalaxmi S. REC_Cryptix at JOKER CLEF 2025: Teaching Machines to Laugh: Multilingual Humor Detection and Translation, 2849-2859. (Paper)
Maria Paz Ramirez Atencio, Jeison D. Jimenez, Deyson Gómez Sánchez, Jairo E. Serrano, Juan C. Martinez-Santos, Edwin Puertas. VerbaNexAI at CLEF 2025 JOKER Task 3: Multi-Model LLM Approach for Onomastic Wordplay Translation, 2860-2869. (Paper)
Russell Taylor, Benjamin Herbert, Michael Sana. Pun Intended: Multi-Agent Translation of Wordplay with Contrastive Learning and Phonetic-Semantic Embeddings for CLEF JOKER 2025 Task, 22870-2888. (Paper)
Poojan Vachharajani. pjmathematician at the CLEF 2025 JOKER Lab Tasks 1, 2 & 3: A Unified Approach to Humour Retrieval and Translation using the Qwen LLM Family, 2889-2897. (Paper)