Abstract
This study analyzes the differences between the category structure of the Universal Decimal Classification (UDC) system (which is one of the widely used library classification systems in Europe) and Wikipedia. In particular, the authors compare the emerging structure of category-links to the structure of classes in the UDC. The authors scrutinize the question of how knowledge maps of the same domain differ when they are created socially (i.e. Wikipedia) as opposed to when they are created formally (UDC) using classification theory. As a case study, we focus on the category of “Arts”.
Highlights
In modern times, the fast expansion of human knowledge makes categories a necessity in managing and accessing produced knowledge
What the Wikipedians did by assigning categories to articles, and linking categories to each other, is closer to folksonomies taxonomies
We compare the category of Arts from Wikipedia to the main table of Art in the Universal Decimal Classification system
Summary
The fast expansion of human knowledge makes categories a necessity in managing and accessing produced knowledge. We compare the category of Arts from Wikipedia to the main table of Art in the Universal Decimal Classification system. Wikipedia’s category structure is one of the topics that did not get much attention among this research frenzy, and besides a few studies, the topic coverage of Wikipedia is not scrutinized to its depths.
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