DDC classification schemes schemes hierarchy scheme thesauri free encyclopedia Colon Classification search disciplines Melvil Dewey Current use S. R. Ranganathan History librarians hierarchical subclasses AAT facets notation schedules subject classes Classification Scheme Dewey Internet relationships classes controlled vocabularies Dewey Decimal Classification ISO/IEC large object LCC library object collection computer science arrangement DDC classes object name duplicate phrases metadata registry characteristics captions Internet resources QA76 library classification schemes DDC number random graph Education treatment classification scheme case files SCHEME DESIGN business classification direct mapping folk taxonomies ERMS Classification schemes SLIS taxonomy classification data disposal functional approach folders levels management the records metadata principles uncategorised categorized Metadata many-to-many relationships multiple inheritance business BCS records management appraisal Requirements intellectual control directed acyclic graph Yahoo science vehicle hierarchies taxonomic ranks ranks subtype constraints shirt taxonomic scheme state documents Moskva Numerical taxonomy Advances UDC number similarity traits dlíà Source Codes military supertype Kniga kirjaston classification system Systematik Classification Number State Library library classification British Library MODS documents classification system Knowledge Organization Vocabularies Library Science London Sibelius Academy classifier Universal Decimal Classification subject access Subject Keywords Taxonomy Target language construction service subject area index language language project Classification System faceted classification vocabulary gateways DESIRE taxa car the user subject-specific languages Cross-searching cross-browsing ELISE multilingual thesauri Watts top element cd Scheme Miley Validity Data Architects Enterprise Data reused Adrian internal organisation Classifier classification systems Hierarchical Classification Aggregation the Collective transformation Banking Government Document