HELENA: An intelligent digital assistant based on a Lifelong Health User Model

Digital Assistants are overgrowing in the mobile application industry and are now implemented in various commercial devices. So far, their use in the health domain is limited and often narrowed to remote monitoring of specific patient pathology. The main contribution of this paper is HELENA, a conversational agent endowed with healthcare knowledge that supports users in managing their lifelong health user model (LHUM) by providing simple services.