"Interaction"@en . . "Virtual Assistant"@en . "90825c036a7ed8ac1442a7f876472652" . "Sustainable commute"@en . "Ecological mobility concepts"@en . "Friedrich" . "Design research"@en . "Natural Language Processing"@en . . "Chatbot"@en . "Social business"@en . "Social Service Engineering"@en . "Enterprise social network"@en . "Person-Related Services"@en . "Julia Friedrich" . "Digital social learning"@en . "Julia" . "Collaborative Network"@en . . "Gamification"@en .