Architecture of the Whois++ Index Service. - Chris Weider; Jim Fullton; Simon Spero (RFC, 1996)

LCSH is to Thesaurus as Doorbell is to Mammal: Visualizing Structural Problems in the Library of Congress Subject Headings. - Simon Spero (Dublin Core Conference, 2008)

Semantic Web and Big Data meets Applied Ontology - The Ontology Summit 2014. - Leo Obrst; Michael Grüninger; Ken Baclawski; Mike Bennett; Dan Brickley; Gary Berg-Cross; Pascal Hitzler; Krzysztof Janowicz; Christine Kapp; Oliver Kutz; Christoph Lange 002; Anatoly Levenchuk; et al. (Appl. Ontology, 2014)