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How Can You Sensitise Siri, Ms Gasic?

Thanks to modern dialogue systems like Alexa and Siri, computers have become our everyday helpers: on voice command they deliver information, operate stereo equipment, switch the lights on and even tell jokes. But they do it without a trace of emotion – a normal conversation is impossible. Milica Gasic from Serbia wants to change that.

“Siri, who is Helene Fischer for heaven’s sake?” The response from the digital assistant in our smartphone is quite prosaic: a German pop singer. She ignores the underlying irritation in our voice. Irony, sadness and enthusiasm are also lost on her. Nor is she a dab hand at deep conversation.

Because that requires empathy – the conversation partner must be able to sense emotions and respond to them. “A system could recognise emotions by the sound of the voice or choice of words,” says Milica Gasic.

To deduce emotions from the choice of words – this is what Gasic wants to teach the systems: apart from encyclopaedic knowledge, the AI researcher feeds in recordings of conversations between real people. A statistical model evaluates the connections between choice of words and the interlocutor’s response. This enables the system to develop answers that are emotionally appropriate. “Conversations should become more human; the systems shouldn’t only provide information but also impart a positive feeling,” says Gasic.

Author: Jan Berndorff

This article was originally published in Humboldt Kosmos 110/2019.

Humboldt Kosmos is the Alexander von Humboldt Foundation's magazine. 

Sofja Kovalevskaja Award

Sofja Kovalevskaja Award Winner Professor Milica Gasic spent three months working at Saarland University and now holds the Chair in Dialog Systems and Machine Learning at Heinrich Heine University Düsseldorf.

The Alexander von Humboldt Foundation’s Sofja Kovalevskaja Award, which is funded by the Federal Ministry of Education and Research, is granted to young exceptionally promising researchers from abroad in recognition of outstanding academic achievements. The award is designed to enable them to embark on academic careers in Germany by establishing their own junior research groups at research institutions in Germany.

Comment below: What do digitization, automation and new forms of work organization mean for each of us? Will there soon be robots instead of work colleagues?

December 2019

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