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se eu tiver tempo, adicionar, Introduction, State of the Art, Application,…

- - - - "Human Digital Twin for
        Personalized Healthcare: Vision,
        Architecture and Future Directions" (2022): https://ieeexplore.ieee.org/document/9839649
        
        entirely health-focused; perceives the user as a patient and the virtual twin as a medical simulation method;
        data gathered from the person: patient attributes, physical data, external factors, symptoms, changes;
        the virtual twin's purpose is for medical purposes such as disease diagnosis, personalized treatment and testing of vaccines and surgery
      - "Differentially private FML framework for enhancing human-to-virtual connectivity in HDT" (2023): https://ieeexplore.ieee.org/document/10234396
        
        (Not very relevant to my work) Although the authors do not delve into what dimensions might define their concept of a person's digital twin, the focus is medically inclined, as they place their definition of a "Human Digital Twin (HDT)" in the context of medical cyber-physical systems, and the Healthcare industry.
      - "Personal Digital Twin : A close look into the
        present and a step towards the
        future of personalized healthcare industry "(2022): https://pdfs.semanticscholar.org/4d66/b6ad6203aebe1a4da14aa4a9965d52df29c4.pdf
        
        these authors' conceptual PDT is the closest to what we idealized, as they view the PDT as a concept that will make its way into our lives in various dimensions: "Consequently, we comprehensively
        define the PDT concept from different perspectives, including its mental, physical, social,
        and biological aspects. " their definition for the PDT includes: "Consequently, we comprehensively
        define the PDT concept from different perspectives, including its mental, physical, social,
        and biological aspects. "
      - "Harnessing the Power of Smart and Connected Health to Tackle COVID-19: IoT, AI, Robotics, and Blockchain for a Better World" (2021) - https://ieeexplore.ieee.org/document/9406879
        
        This paper discusses areas that show promise in combating the Covid-19 pandemic by "accelerate knowledge acquisition and scientific discoveries in pandemic research." The concept of Personal Digital Twin appears in the area of IoT, with the introduction of the discussion about the promise of personalized Health. Although clearly health-inclined, the paper suggests PDTs could gather a person's data from diverse sources of data: "PDTs provide 360-degree health information by synchronizing all sources of data, from electronic health records (EHRs) to clinical data, public records, patient portals, smartphones, wearables, IoT devices, social media, etc". The authors go on to discuss potential use cases for the PDT but do not delve into a potential taxonomy or data structure organization for the PDT. However, there is a great highlight for the increasingly important role of wearable devices in the Healthcare industry: " wearable health devices can play a very important role by providing unique patient-centric insights into health and wellbeing in everyday settings". They go on to say "While wearables, implantable devices, and smart textiles have received considerable attention in the literature, and numerous consumer wearables are commercially available in the marketplace, the potential of WIoT has yet to be fully realized", but in their work they give wearable devices a major part in gathering relevant data from people, although they do not associate them directly with the concept of a Personal Digital Twin. (they show an image with a variety of available wearable devices and the sensors they posess, which provided good wearable data insight.)
      - "Personal Digital Twins
        A third evolution step for humankind? " - https://digitalreality.ieee.org/images/files/pdf/4-2022personal-digital-twins-ebook-final.pdf
        
        This author suggests a scenario where the PDT is an "emerging intelligence would not be separated from ourselves (from my own intelligence) because our PDTs are seamlessly connected with (each of) us"
      - "Building digital twins of the human immune system: toward a roadmap" (2022) - https://www.nature.com/articles/s41746-022-00610-z
        
        Here the authors propose yet another terminology, the "Imune Digital Twin", a digital twin for a person's immune system: "The resulting digital twin can then be used for clinical decision-making for this patient." Although the authors make a clear division of data in their IDT, the dimensions are specific to only Health-related topics.
      - entirely health-focused; perceives the user as a patient and the virtual twin as a medical simulation method;
        data gathered from the person: patient attributes, physical data, external factors, symptoms, changes;
        the virtual twin's purpose is for medical purposes such as disease diagnosis, personalized treatment and testing of vaccines and surgery
    - - "Substantial discussions and implementations of Personal Digital Twin (PDT) models have become more prevalent in recent years. While there might have been earlier conceptual discussions or minor implementations, the significant and detailed proposals seem to date more recently, like the followingly mentioned, which are from 2022 onwards."
  - - - Explain what a Thing Definition is (TD)
        
        Nevertheless, two coarse elements are defined in order to structure Things (see also Thing):
        Attributes: intended for managing static metadata of a Thing - as JSON object - which does not change frequently.
        Features: intended for managing state data (e.g. sensor data or configuration data) of a Thing.
        These elements compose the Thing Definition (TD) of a Digital Twin
      - Talk about the MQTT messaging and signaling system and its benefits (are there any?)
        
        taken from the Ditto documentation: "A connection represents a communication channel for the exchange of messages between any service and Ditto."
        "All connections are configured and supervised via Ditto’s Connectivity service."
        One of the connection types Ditto is prepared to configure is an MQTT connection, which makes use of the MQTT broker system to perform signaling operations and send messages to and from Digital Twins
- - - - About the reference “Toward a comprehensive taxonomy of human motives”:
        I took inspiration from the Motives taxonomy by selecting the dimensions in the motives taxonomy that make sense in the context of this work as well and then adapting them to fit this purpose: by adapting i mean changing the names (after all it is just inspiration, not copy and paste, because a dimension from the Motives taxonomy might give me an idea for perhaps a similar dimension in my PDT taxonomy) and then obviously also adapting its content (subcategories).
      - About the references for the dimensions of wellness (The National Institute of Wellness
        and "Health 4.0: Digital Twins for Health and Well-Being“):
        The National Institute of Wellness promotes six dimensions of wellness: emotional, occupational, physical,social, intellectual, and spiritual", which helped me consolidate the high-level dimensions as well.
        "Health 4.0: Digital Twins for Health and Well-Being“ –It is very important to note that here the term "Wellness" is thouroughly examined and characterized as more than the absence of infirmity, but as a wellness across several dimensions. These authors propose four dimensions, or definitions as they call them: "our definitions of health: physical, lifestyle, mental, socioeconomic, and contextual factors".
    - - Show diagram of the method towards taxonomy
- - - - metaverse