Ivan Popchev

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Weighted aggregation of fuzzy preference relations on the set of alternatives by several criteria in decision-making problems is considered. Pairwise comparisons with respect to importance of the criteria are given in fuzzy preference relation as well. The aggregation procedure uses the composition between each two relations of the alternatives. The(More)
In this paper we present otology-based architecture for knowledge management in BULCHINO web-based catalogue for Bulgarian cultural heritage. Our approach for realizing content-based search and retrieval in the catalogue implies the application of the CBR technology for the representation of metadata characterizations of the cultural objects and the(More)