Hedden Information Management provides expertise, resources, and training in creating various kinds of knowledge organization systems for both published and internal/enterprise digital content:
- Hierarchical taxonomies – for browsing topics tagged to content
 - Faceted taxonomies – for filtering or refining results by topical aspects
 - Thesauri – for consistent indexing and accurate retrieval of large numbers of documents
 - Metadata schema – for effective content management, organization, and retrieval
 - Ontologies – for modeling semantic relationships between defined classes and their entities
 - Book indexes – for indicating page numbers of topics and names in printed books
 
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Read: The Accidental Taxonomist, Third Edition
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