Taxonomy and Metadata Design Flashcards
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Read the first 7 Taxonomy and Metadata Design flashcards as text
Which metadata quality dimension refers to the degree to which metadata values are consistent with a defined format or value set?
Answer: Conformance
Conformance measures whether metadata values adhere to schema constraints, controlled vocabularies, or format rules (e.g., ISO date formats).
A knowledge graph differs from a traditional taxonomy primarily because it:
Answer: Can express arbitrary typed relationships between any entities, not just parent-child hierarchies
Knowledge graphs support richly typed, many-to-many relationships (e.g., 'authored by', 'located in') beyond the hierarchical BT/NT structure of a taxonomy.
The concept of 'preferred term' (PT) versus 'non-preferred term' (NPT) in a controlled vocabulary means:
Answer: Only the preferred term is used for indexing; non-preferred terms redirect to it
The preferred term is the authorized form used for indexing and retrieval, while non-preferred terms (synonyms/entry terms) serve as 'USE' references pointing to it.
ISO 25964 is the international standard specifically covering:
Answer: Thesauri and interoperability with other vocabulary types
ISO 25964 (Parts 1 and 2) provides guidelines for building and maintaining thesauri and for mapping between different controlled vocabularies.
When a metadata field accepts values from a closed list with no free-text option, this constraint is known as a:
Answer: Closed authority control
A closed authority control restricts entries to a predefined list, ensuring vocabulary consistency and preventing unapproved values.
In information architecture, a 'post-coordinate' indexing system means:
Answer: Terms are assigned independently and combined only at search time by the user
Post-coordinate indexing assigns individual terms separately; their combination is left to the searcher, enabling more flexible retrieval than pre-coordinate systems.
Which strategy BEST mitigates 'taxonomy drift'—the gradual misalignment of taxonomy terms with actual organizational content over time?
Answer: Scheduling periodic taxonomy audits tied to content usage analytics
Regular audits using usage analytics identify underused, missing, or misapplied terms, keeping the taxonomy aligned with evolving content and user needs.