CU
E63203
CU is the two-letter ISO 3166-1 alpha-2 country code assigned to Cuba.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CU canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T507083 — 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: CU Context triple: [Cuba, ISO3166-1Alpha2, CU]
-
A.
UA
UA is the two-letter IATA airline designator used worldwide to identify United Airlines on tickets, schedules, and flight information.
-
B.
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.
-
C.
UL
UL is the vehicle registration code used on license plates for the city of Ulm in Germany.
-
D.
SU
SU was the two-letter country code used to represent the former Soviet Union in various international standards and systems.
-
E.
LU
LU is the two-letter ISO 3166-1 alpha-2 country code assigned to Luxembourg for international identification and data standards.
- 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: CU Target entity description: CU is the two-letter ISO 3166-1 alpha-2 country code assigned to Cuba.
-
A.
UA
UA is the two-letter IATA airline designator used worldwide to identify United Airlines on tickets, schedules, and flight information.
-
B.
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.
-
C.
UL
UL is the vehicle registration code used on license plates for the city of Ulm in Germany.
-
D.
SU
SU was the two-letter country code used to represent the former Soviet Union in various international standards and systems.
-
E.
LU
LU is the two-letter ISO 3166-1 alpha-2 country code assigned to Luxembourg for international identification and data standards.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
ISO 3166-1 alpha-2 country code
ⓘ
country code ⓘ |
| alpha2CodeFor | Cuba ⓘ |
| assignedBy | International Organization for Standardization ⓘ |
| category | geopolitical entity code ⓘ |
| codeType | alpha-2 ⓘ |
| country | Cuba ⓘ |
| hasTwoLetters | true ⓘ |
| introducedBy | ISO 3166 Maintenance Agency ⓘ |
| isCaseSensitive | yes ⓘ |
| letter1 | C ⓘ |
| letter2 | U ⓘ |
| regionCodeFor | Caribbean country ⓘ |
| relatedCodeSet |
ISO 3166-1 alpha-3
ⓘ
linked to:
ISO 3166-1
ISO 3166-1 numeric ⓘ |
| relatedStandard | ISO 3166 ⓘ |
| script | Latin ⓘ |
| standard | ISO 3166-1 ⓘ |
| status | officially assigned ⓘ |
| typicalUsageCase | uppercase ⓘ |
| usedFor | identifying Cuba ⓘ |
| usedIn |
country code lists
ⓘ
data exchange formats ⓘ international standards ⓘ internet standards ⓘ |
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: CU Description of subject: CU is the two-letter ISO 3166-1 alpha-2 country code assigned to Cuba.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.