Extended representation of the conceptual element in temporal context and the diachronism of the knowledge system

Authors:
Jian Zhao;Lei Liu;Liang Hu
Affiliations:
College of Computer Science and Technology, Jilin University, Changchun 130012, PR China and College of Software, Changchun Institute of Technology, Changchun 130012, PR China;College of Computer Science and Technology, Jilin University, Changchun 130012, PR China;College of Computer Science and Technology, Jilin University, Changchun 130012, PR China
Venue:
Knowledge-Based Systems
Year:
2012

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Abstract

Based on granular computing, the conceptual element was established as the conceptual category of knowledge, with formal concept analysis as a basic tool, and the indiscernibility relation was established for rough set theory. The conceptual element in temporal context was then extended to the phenomenon element yielding temporal granular representation. Through the introduction of partially ordered time-series, the diachronism of the knowledge system was studied. An isomorphic mapping was conducted between the sequence structure and concept lattice structure, consisting of a phenomenon element and other time-series materials, providing visualization of the movement of the phenomenon element over time. Dynamic modeling was applied to knowledge granules in the open problem domain of context and time, providing a theoretical basis for reference.