U

ultimate approver

The final person in an approval chain who has the authority to grant the final authorization for a request.

unbacked

A transaction, claim, or record that lacks a verifiable source of truth, supporting documentation, or financial collateral.

unclassified

A record that has not been mapped or verified.

underfitting

A scenario that occurs when a machine learning model can't capture underlying patterns in data.

unique trade identifier

A reference ID for trades that can be retrieved directly through trade import or matching processes.

UTI

unit of measure

The standard unit used to quantify an item, such as each, box, hour, or kilogram.

UOM

United Nations Standard Products and Services Code

A hierarchical coding system used to classify products and services for mapping commodities and analyzing spend.

UNSPSC

unrouted shipment

A shipment for which the solver cannot find a suitable route due to capacity or scheduling constraints.

unseal

The action of manually opening hidden supplier responses after an event has ended.

unstructured data

The data classification that identifies information lacking a predefined format or organization, such as text, images, audio, or video.

unsupervised learning

A type of machine learning where algorithms learn patterns and structures from unlabeled data without explicit guidance or predefined labels.

unused ticket

A credit resulting from the cancellation of a nonrefundable fare after the void window has passed.

usage threshold

The percentage amount on a virtual card that triggers a notification when the accumulated charges reach that limit.

user

An individual with access to the platform.

user reassignment

A transfer mechanism used to shift ownership of in-flight tasks, approvals, and documents from one user to another.

user-defined database

A database created by the user to store custom tables and data.

UDDB

user-defined field

A custom data field added by an administrator to capture information not included in the standard system.

UDF

user-defined object

A custom data object created to meet specific business requirements.

UDO

user-defined table

A custom table added to a model database to store additional information.