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Thomas Sievers

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Open access Oct 2026

How to express social presence: a comparison of perceptions of social robots’ cognitive abilities

In light of the problems posed by an aging society and the associated challenges–particularly regarding the care and support of older citizens–questions arise concerning technological solutions. Social robots equipped with appropriate cognitive abilities can provide support in this area by reducing loneliness and socia...

Thomas Sievers, Nele Russwinkel · 0 citations
Jul 2026

The World According to a Social Robot - Augmenting Human-Robot Dialogue With Vision Language Models

Initial experiences with the application of a Mistral AI language model with a Pepper robot for Human-Robot Interaction (HRI) in dialogue and an investigation of the effects of additional visual information on response time in different models show that incorporating visual information adds context to the dialogue with...

Thomas Sievers · 0 citations

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