U
Unseen references. See: Citing unseen references
Unicode. See: Character set
UNISIST
UNISIST model
of information dissemination
Universal bibliography / Universal bibliographic control
Universal classification systems (Lifeboat for KO)
Universal Decimal
Classification (UDC) (Lifeboat for KO)
URI. See: Uniform Resource Identifier
User friendly information system
User studies
Utilization. See:
Knowledge & Technology Utilization