The document includes: the extracted and selected articles; the three-step thematization outcomes. These data are used within the framework of a working paper that presents the first two stages of a longer research project. The thematization is expected to evolve (additions, modifications, or removals) following expert feedback regarding its completeness and coherence. The dataset is associated with the article “Keep Calm… Everyone Has Emotions: Designing an Emotion-Aware GenAI Mediator for Deliberation.”