Матеріали конференцій

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Author: search.filters.author.Demchuk, Andriy

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    The Typhlocomments Rules for Audiodescription System of the Video Content Formation for People with Visual Impairments
    (Lviv Polytechnic National University, 2018-06-25) Demchuk, Andriy; Lozynska, Olga; Information Systems and Networks Department, Lviv Polytechnic National University, Lviv
    This paper introduces the rules of constructing typhlocommentars for audiodescription system of the video content formation for people with visual impairments. This system can be considered as an intermediary between the available video content from the one side and the visually impaired user from the other. The process of forming the rules of typhlocomments is discussed. This rules are formed in the form of a proposal function, the truth of which is verified on the facts and the rules obtained as a result of psychological research. The use case diagram that describes the functional appointment of the system is suggested. The resulting use case diagram contains seven cases for use and two actors, among which the inclusion and extension relations are set. Tasks that require further research are defined.
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    Ontology using for decision making in a competitive environment
    (Lviv Polytechnic National University, 2018-06-25) Lytvyn, Vasyl; Oborska, Oksana; Vysotska, Victoria; Dosyn, Dmytro; Demchuk, Andriy; Lviv Polytechnic National University, Lviv, Ukraine; Silesian University of Technologyty, Gliwice, Poland; Karpenko Physico-Mechanical Institute of the NAS Ukraine
    A method of decision making system elaboration in competitive environment based on ontological approach was developed. The models based on a hinged Boyd-Moore automaton. State machine loops are the stages Boyd and filling processes, ontology editing and a search of relevant knowledge ontology. Possible transitions between the states of the machine and transfer parameters between them were determined. For a quantitative modeling of decision support process in a competitive environment, mathematical support and methods of domain-specific ontology in the Boyd cycle (OODA – observation, orientation, decision, action) were elaborated. Thus, for the military at an “Observations” stage intelligence domain ontology determining of the strengths and weaknesses of the enemy. At the stage of “orientation”, ontological data are used for simulation of possible realizations of the battle and for optimal positioning of the forces. For “Resolution” stage, target distribution was developed using a method based on genetic algorithms, which helped to reduce the computational complexity of finding effective distribution targets. Ontology expertise based on descriptive logic is presented to increase the effectiveness of possible solutions.