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With an increasing affinity towards patient‐centric care, sharing real‐time sensitive data for collaboration between multiple parties with finer access control becomes critical. Most existing studies based on the blockchain technology in the ...

In this work, a non‐fungible token‐based system is proposed to implement a health record marketplace, which provides dual ownership along with finer access control and efficiency in data sharing. Stackelberg game theory is utilized to determine pricing ...

Photo-based question answering is a useful way of finding information about physical objects. Current question answering (QA) systems are text-based and can be difficult to use when a question involves an object with distinct visual features. A photo-...