期刊
KNOWLEDGE AND INFORMATION SYSTEMS
卷 60, 期 2, 页码 715-739出版社
SPRINGER LONDON LTD
DOI: 10.1007/s10115-018-1252-4
关键词
Formal concept analysis; Similarity reasoning; Interval type-2 fuzzy sets; Many-valued contexts; FCA with interordinal scaling
In this paper, concept similarity in formal concept analysis (FCA) with many-valued contexts is addressed. In particular, this work focuses on FCA many-valued contexts where attribute values are intervals (FCA with interordinal scaling), here referred to as IFCA. IFCA is based on interval type-2 fuzzy sets, which provide a simplification of the more general type-2 fuzzy sets. In this work, a method for evaluating concept similarity in IFCA is proposed, which is a problem that has not been adequately investigated in the literature, although the increasing interest in the combination of FCA with fuzzy sets. Note that the topic addressed in this paper is presented by providing simple examples in order to reach a broad audience of readers.
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