Page 178 - DLIS405_INFORMATION_STORAGE_AND_RETRIEVAL

Unit 14: ERIC and Thesaurofacet

Card Sorting Notes
SN An exercise that can be used to help create a controlled vocabulary. In a card sort, users are
asked to group cards into like categories or to name categories of like items. Card sorting can be
used to compile lists of variant terms or to verify the relationships in a hierarchy.
RT Free Listing
Hierarchy

Child Term

USE Narrower Term
Controlled Vocabulary
SN A subset of natural language that is used to tag documents and then to find content through
navigation or search. Use of a controlled vocabulary increases consistency in tagging and can help
match users’ natural language with preferred terms. Abbreviated as “CV.”
Controlled vocabularies exhibit the following relationships:
Synonym ring
+ Preferred terms =
Authority file
+ Broader and narrower terms =
Taxonomy
+ Related terms =
Thesaurus
NT Authority File
Faceted Classification
Synonym Equivalence List
Synonym Ring
Taxonomy
Thesaurus
RT Natural Language
Entry Term
USE Variant Term

Equivalence Relationship

SN The connection between terms in a synonym ring, or between preferred terms and variant terms.
Terms that exhibit an equivalence relationship refer to the same concept. For example, “cat” and
“feline” are often considered as being equivalent.
BT Term Relationship
RT Associative Relationship
Hierarchical Relationship
Variant Term

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