This is a good basic overview, goes beyond tagging/indexing, was the textbook in LIS501 Information Organization and Access at UIUC-GSLIS (now the iSchool at Il

This is a good basic overview, goes beyond tagging/indexing, was the textbook in LIS501 Information Organization and Access at UIUC-GSLIS (now the iSchool at Illinois) in 2006: https://mitpress.mit.edu/9780262512619/the-intellectual-foundation-of-information-organization/ https://mitpress.mit.edu/9780262512619/the-intellectual-foun... Controlled vocab standards: https://www.niso.org/publications/ansiniso-z3919-2005-r2010 https://www.niso.org/publications/ansiniso-z3919-2005-r2010 (this one is deprecated in favor the one that follows) https://www.niso.org/schemas/iso25964 https://www.niso.org/schemas/iso25964 https://www.w3.org/2004/02/skos/ https://www.w3.org/2004/02/skos/ The book we used in my thesaurus construction class at UIUC: https://www.alastore.ala.org/content/essential-thesaurus-construction https://www.alastore.ala.org/content/essential-thesaurus-con... My favorite intro to semantic modeling with RDF/OWL/SPARQL: http://workingontologist.org/ http://workingontologist.org/ Topic Maps are dead but i still have a soft spot for them: https://www.isotopicmaps.org/ https://www.isotopicmaps.org/ I also recommend Heather Hedden, linked in jrockhind's post.