Valentin Pelloin : Classification automatique de sujets de JT et analyse des biais de genre

Valentin Pelloin : Classification automatique de sujets de JT et analyse des biais de genre

🎙 Valentin Pelloin 👥 2K 📅 October 30, 2025 ⏱ 35 min 👁 74 📄 original study 🧭 2026-08-15
Available in: English (current) Français

Keywords

classificationgender biasLLMtelevision newsINA

Summary

Valentin Pelloin presents a study on automatic classification of TV news topics and its application to gender bias analysis. The study, conducted in collaboration with ARCOM, analyzes 11,000 hours of news content from 2023. The methodology involves using Whisper for transcription, a large language model (Mistral) to annotate a large corpus, and then distilling this knowledge into a smaller model (CamemBERT) for efficient large-scale classification. The models are evaluated on a manually annotated corpus with inter-annotator agreement. The final analysis reveals that women speak less than men overall (36% of speaking time), with significant variations across topics: women are underrepresented in sports, religion, politics, and armed conflicts, while they are overrepresented in weather, health, education, and lifestyle. The study also discusses the trade-offs between using LLMs and smaller models, and the limitations of the approach, including the binary gender detection and the limited time period. The presentation concludes with a discussion on the persistence of gender biases in media and suggests that smaller models can outperform LLMs when trained on LLM-generated data.

172 words

Critical Evaluation

Value of the Information & Strength of the Argument

The presentation provides valuable insights into the application of LLMs for large-scale media analysis. The argumentation is solid, with a clear methodology and evaluation. The speaker demonstrates the effectiveness of a teacher-student approach, where a smaller model trained on LLM-generated data can achieve better performance than the LLM itself, while being more efficient. The study’s findings on gender bias are significant and align with previous research. The speaker also honestly discusses limitations, such as the difficulty of the classification task and the binary gender detection.

Scientific Rigor, Source Quality, Title Accuracy

The scientific rigor is high: the study uses a systematic approach, with manual annotation, inter-annotator agreement, and evaluation metrics. The sources are not explicitly cited in the talk, but the speaker mentions collaboration with ARCOM and references the GMMP. The title accurately reflects the content. The presentation is a conference talk, so it lacks the detail of a peer-reviewed paper, but the methodology is transparent.

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Title / Content Match

The title accurately reflects the content: the speaker presents a method for automatic classification of TV news topics and its application to gender bias analysis.

Quality & Reliability

8/10

The presentation is based on a rigorous methodology, including manual annotation with inter-annotator agreement, evaluation of models, and transparent discussion of limitations. The study is conducted in collaboration with ARCOM and uses established techniques. However, the presentation is a conference talk, not a peer-reviewed publication, and some details are omitted.

Key Moments

Cited Sources

  • Inathèque — Mentioned as a resource for accessing audiovisual archives.
  • INA le lab — Mentioned as the seminar series where this presentation took place.

Concurring Sources

Contribution & Novelties

The study presents a novel approach to large-scale media analysis by using LLMs to generate training data for smaller, more efficient models. This teacher-student distillation method allows for cost-effective classification of extensive corpora. The application to gender bias analysis provides concrete evidence of persistent disparities in media representation. The study also highlights the potential of smaller models to surpass their larger counterparts when trained on high-quality generated data.

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Radar Profile

The radar profile shows high scores in information quantity, quality, and reliability, with a slightly lower technical level, indicating a well-balanced presentation that is both informative and methodologically sound.

Reliability 8/10

💬 No comments were provided for analysis.