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2. Game on for news : stance-aware gamification in a news aggregator to promote engagement with diverse viewpointsCaroline Frössling, Uroš Sergaš, Marko Tkalčič, Bruce Ferwerda, 2026, published scientific conference contribution Abstract: Personalized news systems often adapt ranking to user preferences, which can reinforce selective exposure. We investigate an alterna- tive personalization strategy: stance-aware incentive shaping. In- stead of modifying content ranking, we use a minimal per-topic stance user model to adapt reward gradients, awarding more points for engaging with counter-attitudinal content. In a between-subject experiment (� = 98), we compare a non- adaptive baseline with two adaptive incentive framings (levels vs. leaderboards). Stance-aware gamification increased behavioral en- gagement (clicks and time), while subjective engagement and com- prehension did not differ reliably. Only the level-based framing produced significant pre–post increases in stance change and open- minded thinking, with effects varying by topic. We position stance-aware incentive shaping as a lightweight user-model intervention that adapts motivational feedback rather than ranking, offering an alternative pathway for diversity-aware personalization in recommender systems.
Keywords: information systems, recommender systems, personalization, human-centered computing, user studies
Published in RUP: 05.06.2026; Views: 244; Downloads: 10
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3. Application of artificial intelligence in e-commerce : master's thesisMarko Pejić, 2025, master's thesis Keywords: artificial intelligence, E-commerce, customer experience, personalization, operational efficiency, recommender systems, chatbots, AI integration, business challenges
Published in RUP: 15.04.2026; Views: 420; Downloads: 47
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