CA
E949104
CA is the station code assigned to the Martín Carrera transit station in Mexico City’s public transportation system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CA canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11856605 — 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: CA Context triple: [Martín Carrera, hasStationCode, CA]
-
A.
CA
CA is the two-letter U.S. postal abbreviation for the state of California.
-
B.
CA
CA is the commonly used abbreviation for Club Africain, a major Tunisian multi-sport club best known for its football team based in Tunis.
-
C.
CA
CA is the commonly used abbreviation for the Court of Appeals of the Philippines, the country's second-highest judicial body that reviews decisions of lower courts and quasi-judicial agencies.
-
D.
CA
CA is the official abbreviation used for the professional head of the Australian Army.
-
E.
CA
CA is the postcode area covering Carlisle and surrounding parts of Cumbria in north-west England.
- 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: CA Target entity description: CA is the station code assigned to the Martín Carrera transit station in Mexico City’s public transportation system.
-
A.
CA
CA is the vehicle registration code used on license plates for the Italian city of Cagliari.
-
B.
CA
CA is the two-letter U.S. postal abbreviation for the state of California.
-
C.
CA
CA is the IATA airline designator assigned to Air China, the flag carrier of the People's Republic of China.
-
D.
CA
CA is the two-letter ISO 3166-1 alpha-2 country code that uniquely identifies Canada in international standards and systems.
-
E.
CA
CA is the abbreviated name for the Council of Administration, one of the main governing bodies of the Universal Postal Union responsible for overseeing its operations and policy implementation.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
metro station code
ⓘ
transit station code ⓘ |
| appliesTo |
Martín Carrera Metro station on Line 4
ⓘ
linked to:
Martín Carrera metro station
Martín Carrera Metro station on Line 6 ⓘ
linked to:
Martín Carrera metro station
|
| assignedTo | Martín Carrera station ⓘ |
| associatedWith | Martín Carrera multimodal transit hub ⓘ |
| codeLength | 2 letters ⓘ |
| hasContext | urban rail transit in Mexico City ⓘ |
| hasCountry | Mexico ⓘ |
| hasLocation | Mexico City ⓘ |
| hasScript | Latin alphabet ⓘ |
| identifies | Martín Carrera station ⓘ |
| isPartOf | Mexico City Metro station coding scheme ⓘ |
| notationType | alphabetic code ⓘ |
| usedBy |
Sistema de Transporte Colectivo (STC)
ⓘ
linked to:
Sistema de Transporte Colectivo
|
| usedFor |
internal scheduling and control for Martín Carrera station
ⓘ
mapping and signage for Martín Carrera station ⓘ operational identification of Martín Carrera station ⓘ |
| usedInSystem |
Mexico City Metro
ⓘ
Mexico City public transportation system ⓘ |
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: CA Description of subject: CA is the station code assigned to the Martín Carrera transit station in Mexico City’s public transportation system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.