AC
E54351
AC is the two-letter ISO 3166 country code assigned to Ascension Island, a remote volcanic island in the South Atlantic Ocean.
All labels observed (1)
| Label | Occurrences |
|---|---|
| AC canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T430488 — 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: AC Context triple: [Ascension Island, ISO3166Code, AC]
-
A.
ACC
The Anglican Consultative Council is a principal international body of the Anglican Communion that facilitates cooperative decision-making, consultation, and mission among its member churches worldwide.
-
B.
ACE
ACE (Altamont Corridor Express) is a commuter rail service in California’s San Joaquin Valley and East Bay that provides weekday trains between Stockton and San Jose.
-
C.
AAC
AAC (Advanced Audio Coding) is a widely used digital audio compression format known for delivering better sound quality than MP3 at similar bit rates and is commonly used in online music stores and streaming services.
-
D.
CAC
The Central American Cup (CAC) is a regional football tournament featuring national teams from Central America competing for the championship title.
-
E.
ACA
ACA is a professional scientific organization that promotes the study and application of crystallography and structural science, primarily in North America.
- 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: AC Target entity description: AC is the two-letter ISO 3166 country code assigned to Ascension Island, a remote volcanic island in the South Atlantic Ocean.
-
A.
ACC
The Anglican Consultative Council is a principal international body of the Anglican Communion that facilitates cooperative decision-making, consultation, and mission among its member churches worldwide.
-
B.
ACE
ACE (Altamont Corridor Express) is a commuter rail service in California’s San Joaquin Valley and East Bay that provides weekday trains between Stockton and San Jose.
-
C.
AAC
AAC (Advanced Audio Coding) is a widely used digital audio compression format known for delivering better sound quality than MP3 at similar bit rates and is commonly used in online music stores and streaming services.
-
D.
CAC
The Central American Cup (CAC) is a regional football tournament featuring national teams from Central America competing for the championship title.
-
E.
ACA
ACA is a professional scientific organization that promotes the study and application of crystallography and structural science, primarily in North America.
- F. None of above. chosen
Statements (10)
| Predicate | Object |
|---|---|
| instanceOf | ISO 3166-1 alpha-2 country code ⓘ |
| assignedBy | International Organization for Standardization ⓘ |
| associatedWith |
British Overseas Territory of Saint Helena, Ascension and Tristan da Cunha
ⓘ
South Atlantic Ocean ⓘ
linked to:
South Atlantic
|
| codeType | alpha-2 ⓘ |
| notation | AC ⓘ |
| partOfStandard | ISO 3166 ⓘ |
| represents | Ascension Island ⓘ |
| usedFor | identifying Ascension Island in international contexts ⓘ |
| usedIn | country code top-level domain .ac ⓘ |
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: AC Description of subject: AC is the two-letter ISO 3166 country code assigned to Ascension Island, a remote volcanic island in the South Atlantic Ocean.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.