The Second Edition of the Integrative Levels Classification: Evolution of a KOS

Abstract

PurposeThis paper informs about the publication of the second edition of the Integrative Levels Classification (ILC2), a freely-faceted knowledge organization system (KOS), and reviews the main changes that have been introduced as compared to its first edition (ILC1).Design/methodology/approachThe most relevant changes are illustrated, with special reference to those of interest to general classification theory, by means of examples of notation for individual classes and combinations of them.FindingsChanges introduced in ILC2 include: the names and order of some main classes; the development of subclasses for various phenomena, especially quantities and algebraic structures; the order of facet categories and the new category of Disorder; notation for special facets; distinction of the semantical function of facets (attributes) from their syntactic function. The system can be freely accessed online through a PHP browser as well as in SKOS format.Research limitationsOnly a selection of changed classes is discussed for space reasons.Practical implicationsILC1 has been previously applied to the BARTOC directory of KOSs. Update of BARTOC data to ILC2 and application of ILC2 to further information systems are envisaged. Possible methods for reclassifying BARTOC with ILC2 are discussed.OriginalityILC is a newly developed classification system, based on phenomena instead of traditional disciplines and featuring various innovative devices. This paper is an original account of its most recent evolution.

Migrating a complex classification scheme to the semantic web: expressing the Integrative Levels Classification using SKOS RDF

“…This was followed in September 2019 by the second edition (ILC2), consisting of 10,845 classes and facets. The first edition evolved to ILC2 via a little renaming and rearrangement of the main classes, better development of many subclasses, rearrangement and new definitions of various facet categories, distinction between facets by nature, also called attributes and introduced by a (mqaodo "stomach") and facets by function (mq97do "animals, with stomach") and other details in notation (Park et al, 2020).…”

Integrative Levels Classification as a Networked KOS: A SKOS Representation of ILC2

“…Compared to ILC1, it has evolved in some renamed or moved main classes, better development of many subclasses, rearrangement and new definitions of various facet categories, distinction between facets by nature ("wheels" as parts of vehicles) and facets by function ("vehicles, with wheels"), and other details in notation. These changes are described by Park et al (2020). Specific fields for mapping between different ILC editions, and between ILC and the Dewey Decimal Classification, are provided in the ILC MySQL database.…”

Evolution and Quality Analysis Algorithm of Consumer Online Reviews Based on Data Fusion and Multiobjective Optimization

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