CO
E223873
CO is the official two-letter United States Postal Service abbreviation for the state of Colorado.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CO canonical | 10 |
How this entity was disambiguated
This entity first appeared as the object of triple T1972696 — 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: CO Context triple: [Colorado, hasPostalAbbreviation, CO]
-
A.
CO
CO is the Italian vehicle registration code for the Province of Como in the Lombardy region.
-
B.
CO
CO is the two-letter ISO 3166-1 alpha-2 country code assigned to Colombia for international identification and standardization purposes.
-
C.
CAL
CAL is the ICAO airline designator used to identify China Airlines in international aviation operations.
-
D.
CA
CA is the two-letter ISO 3166-1 alpha-2 country code that uniquely identifies Canada in international standards and systems.
-
E.
OC
OC is the post-nominal designation for Officer of the Order of Canada, one of the country’s highest civilian honors recognizing outstanding achievement and service.
- 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: CO Target entity description: CO is the official two-letter United States Postal Service abbreviation for the state of Colorado.
-
A.
CO
CO is the two-letter ISO 3166-1 alpha-2 country code assigned to Colombia for international identification and standardization purposes.
-
B.
CO
CO is the Italian vehicle registration code for the Province of Como in the Lombardy region.
-
C.
CAL
CAL is the ICAO airline designator used to identify China Airlines in international aviation operations.
-
D.
CA
CA is the two-letter ISO 3166-1 alpha-2 country code that uniquely identifies Canada in international standards and systems.
-
E.
OC
OC is the post-nominal designation for Officer of the Order of Canada, one of the country’s highest civilian honors recognizing outstanding achievement and service.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
United States Postal Service state abbreviation
ⓘ
postal abbreviation ⓘ |
| appliesTo |
Colorado
ⓘ
U.S. state ⓘ |
| associatedWith |
Rocky Mountain region
ⓘ
Western United States ⓘ
linked to:
western United States
|
| codeType | two-letter code ⓘ |
| contextRequired | postal context in the United States ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| format | two uppercase letters ⓘ |
| hasLength | 2 characters ⓘ |
| hasLetter |
C
ⓘ
O ⓘ |
| isAmbiguousGlobally | true ⓘ |
| isCaseSensitive | typically written in uppercase ⓘ |
| isOfficial | true ⓘ |
| partOfSystem | USPS state and territory abbreviations ⓘ |
| replaced | older nonstandard state abbreviations ⓘ |
| represents | Colorado ⓘ |
| standardizedBy | United States Postal Service ⓘ |
| usedBy | United States Postal Service ⓘ |
| usedFor |
location identification
ⓘ
mail addressing ⓘ package shipping ⓘ |
| 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: CO Description of subject: CO is the official two-letter United States Postal Service abbreviation for the state of Colorado.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.