UAL
E47888
UAL is the ICAO airline designator used to identify United Airlines in aviation operations and air traffic control.
All labels observed (1)
| Label | Occurrences |
|---|---|
| UAL canonical | 11 |
How this entity was disambiguated
This entity first appeared as the object of triple T374874 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: UAL Context triple: [United Airlines, ICAOCode, UAL]
-
A.
UA
UA is the two-letter IATA airline designator used worldwide to identify United Airlines on tickets, schedules, and flight information.
-
B.
LU
LU is the two-letter ISO 3166-1 alpha-2 country code assigned to Luxembourg for international identification and data standards.
-
C.
UCH
UCH is a leading public research university in Santiago, Chile, renowned for its academic excellence and significant influence on the country’s intellectual and cultural life.
-
D.
UM
UM is the commonly used abbreviation for the University of Miami, a private research university located in Coral Gables, Florida.
-
E.
Ur
Ur was one of the most important ancient Sumerian city-states, renowned for its ziggurat and early urban civilization in southern Mesopotamia.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: UAL Target entity description: UAL is the ICAO airline designator used to identify United Airlines in aviation operations and air traffic control.
-
A.
UA
UA is the two-letter IATA airline designator used worldwide to identify United Airlines on tickets, schedules, and flight information.
-
B.
LU
LU is the two-letter ISO 3166-1 alpha-2 country code assigned to Luxembourg for international identification and data standards.
-
C.
UCH
UCH is a leading public research university in Santiago, Chile, renowned for its academic excellence and significant influence on the country’s intellectual and cultural life.
-
D.
UM
UM is the commonly used abbreviation for the University of Miami, a private research university located in Coral Gables, Florida.
-
E.
Ur
Ur was one of the most important ancient Sumerian city-states, renowned for its ziggurat and early urban civilization in southern Mesopotamia.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
ICAO airline designator
ⓘ
airline code ⓘ |
| appearsIn |
air traffic control flight progress strips
ⓘ
airline operational documentation ⓘ airline scheduling and dispatch systems ⓘ |
| appliesTo |
cargo flights of United Airlines
ⓘ
commercial passenger flights of United Airlines ⓘ |
| assignedTo | United Airlines ⓘ |
| associatedWith |
United States
ⓘ
linked to:
United States of America
|
| belongsToCodeSpace | ICAO airline designators ⓘ |
| category | aviation identifier ⓘ |
| codeLength | 3 letters ⓘ |
| codeType |
ICAO
ⓘ
linked to:
International Civil Aviation Organization
|
| domain | civil aviation ⓘ |
| hasIATAEquivalent | UA ⓘ |
| identifies | United Airlines flights ⓘ |
| operatedBy | United Airlines ⓘ |
| relatedTo |
United Airlines call sign "UNITED"
ⓘ
linked to:
United Airlines
|
| standardizedBy | International Civil Aviation Organization ⓘ |
| usedAs | telephony designator prefix in ATC systems ⓘ |
| usedBy |
air traffic controllers
ⓘ
airline operations centers ⓘ |
| usedFor |
air traffic control communications
ⓘ
aviation operations ⓘ |
| usedIn |
air traffic control systems
ⓘ
aviation communication protocols ⓘ flight plans ⓘ |
| usedSince | 20th century ⓘ |
| writingSystem | Latin alphabet ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: UAL Description of subject: UAL is the ICAO airline designator used to identify United Airlines in aviation operations and air traffic control.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.