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Artificial Intelligence in Health                                     Explainable solutions from AI for HSSs



            service conditions in the created software product. The   Clinical decision support systems should have
            same mechanisms help solve problems in implementing   one part (knowledge) that is constantly evolving and
            “continuous delivery,” a process in which software is always   another part that can read and understand it, i.e., be an
            kept relevant.                                     interpreter. Medical knowledge, such as clinical guidelines,
              The application of typical architectural solutions,   is an evolving part of ExClDSS. ExClDSS are expected
            declarative representation of components, and separation   to remain useful and effective in an environment of
            of competencies between developers of components of   changing knowledge. Under conditions of variability in
            different types are all used to create maintainable decision   clinical knowledge, the viability of the medical system is
            support systems. Information technology managers   manifested in its ability to adapt and update in response to
            struggle to scale AI projects because they lack the tools to   new information and evolving practices.
            create and manage a “production-grade AI pipeline.” 10  In medical knowledge, the influence of factors and
              With  the  advent  of  complex  software  systems,  the   events  on  the  patient’s  state,  their  change  over  time,
            problem of their long-term maintenance has become   individual characteristics, and some of their processes
            more and more critical. Maintenance is the possibility of   on  others  is  important.  The  development  (evolution)  of
            adaptation (to hardware and system software, to new types   such complex knowledge bases is the main “challenge”
            of human-machine interfaces and users) and extensibility   of modern “conditions” with (Ex)ClDSSs. “The ability to
            (at the request of users). Modification of software systems is   adapt under a change in the set of facts and knowledge” is
            due to changes in operating conditions, user requirements,   one of the aspects of intelligence. 15(p.5)  For medicine related
            and subject area. In the operation of applied systems to   to solving intellectual problems, this implies the evolution
            support professional activity, there is a need to add new   of knowledge. The ontological approach to knowledge and
            user-defined functions (and adapt to new devices or user   programming for working with them was sufficient.
            interface changes). The average maintenance cost of the   3. Clinical decision support systems
            software system life cycle is about 50%,  but according to
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            some reports, it can reach 80 – 90%. 12            as software systems that apply
              In addition to maintenance, viability has become a   understandable knowledge
            modern, useful property of software systems. It is defined   To ensure that doctors trust ClDSSs,  their developers
            as sustainability in a changing environment (maintaining   need to demonstrate correctness (sometimes accuracy)
            usefulness and operability),  and the ability to evolve, as the   on subsets of precedents (cases from practice), implement
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            ability to adapt with the least possible cost to requirements’   the ability to explain the proposed solution or hypothesis
            variability, maintaining architectural integrity.  We will   (the explanation must be understandable, consistent with
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            specify “the viability” as software system resilience to some   formalized knowledge), have a mechanism for permanent
            functioning environment changes (the maintenance of   improvement of the knowledge base that does not worsen
            working capacity) and the ability to develop over the “life”   its correctness, apply procedures for regular evaluation of
            (evolvability).                                    stored clinical knowledge, and provide the opportunity for
                                                               specialists to read and evaluate the included knowledge.
              In the case of applied decision support systems
            in intelligent tasks such as diagnosis, planning, and   Knowledge must be formed considering standardized
            forecasting, the situation is different. Here, knowledge   clinical guidelines and under domain experts’ control. One
            variability and the emergence of new solutions, such as   method is to use trained text recognizers. Knowledge can
            creating new  diagnostic  methods  and identifying new   sometimes be created by experts themselves (possibly with
            influencing factors, are expected, rather than just the   knowledge engineers and cognitive scientists). In this case,
            extension of user functions. Therefore, the approach to   experts fully participate in the development and maintenance
            maintaining ClDSS should not be similar to maintaining   process with programmers and  designers.  This requires
            application software systems.                      knowledge bases to be presented in a form understandable
                                                               to medical domain experts. When knowledge is isolated
              Many well-known tasks in diagnosis, treatment, and
            prognosis in general and medicine, in particular, are quite   and framed in independent architectural components and
                                                               knowledge bases, the system using them becomes a KES.
            stable. Algorithms for solving them are described and
            can be qualitatively programmed once for long-term use.   Several  AI,  mathematical  modeling,  and  machine
            However, this is not the case for medical knowledge and   learning methods for solving practical problems provide
            clinical guidelines. They cannot be “sewn” into programs   medical services based on hidden knowledge.  In
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            because they are regularly updated in this dynamic field.  medicine, these are most often the tasks of risk assessment


            Volume 2 Issue 3 (2025)                        141                               doi: 10.36922/aih.5736
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