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Information Architecture
Polyhierarchy & Cross-Classification — Quiz
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Question 1 of 5
Polyhierarchy & Cross-Classification
What is the key structural difference between a polyhierarchy and a strict hierarchy (monohierarchy)?
A polyhierarchy stores duplicate copies of each item in every parent category
A polyhierarchy allows a node to have more than one parent, forming a directed acyclic graph instead of a tree
A polyhierarchy requires every item to belong to at least three categories
A polyhierarchy uses tags instead of parent-child relationships
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