Line 1
E100150
Line 1 is the oldest and one of the busiest lines of the Mexico City Metro, running east–west across the city and serving many central, high-traffic stations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T845667 — 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: Line 1 Context triple: [Mexico City Metro, hasLine, Line 1]
-
A.
Line 1
Line 1 is the oldest and one of the busiest lines of the Santiago Metro, running primarily east–west across central Santiago, Chile.
-
B.
Line 1
Line 1 is one of the main east–west rapid transit lines of the Beijing Subway, serving as a core corridor through central Beijing.
-
C.
Line 2
Line 2 is a major subway line on Toronto's Bloor–Danforth corridor, running primarily east–west across the city.
-
D.
Line 2
Line 2 is a major route of Mexico City’s Metrobús bus rapid transit system, running along key thoroughfares to connect important residential and commercial areas.
-
E.
Line 2
Line 2 is a circular rapid transit line of the Beijing Subway that runs around the city center, roughly following the path of the old city walls and the 2nd Ring Road.
- 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: Line 1 Target entity description: Line 1 is the oldest and one of the busiest lines of the Mexico City Metro, running east–west across the city and serving many central, high-traffic stations.
-
A.
Line 1
Line 1 is the oldest and one of the busiest lines of the Santiago Metro, running primarily east–west across central Santiago, Chile.
-
B.
Line 1
Line 1 is one of the main east–west rapid transit lines of the Beijing Subway, serving as a core corridor through central Beijing.
-
C.
Line 2
Line 2 is a major subway line on Toronto's Bloor–Danforth corridor, running primarily east–west across the city.
-
D.
Line 2
Line 2 is a circular rapid transit line of the Beijing Subway that runs around the city center, roughly following the path of the old city walls and the 2nd Ring Road.
-
E.
Line 2
Line 2 is a major route of Mexico City’s Metrobús bus rapid transit system, running along key thoroughfares to connect important residential and commercial areas.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| cityServed | Mexico City ⓘ |
| connectsWith |
Mexico City Metro Line 2
ⓘ
surface form:
Line 2 (Mexico City Metro)
Mexico City Metro Line 3 ⓘ
surface form:
Line 3 (Mexico City Metro)
Mexico City Metro Line 5 ⓘ
surface form:
Line 5 (Mexico City Metro)
Mexico City Metro Line 8 ⓘ
surface form:
Line 8 (Mexico City Metro)
Mexico City Metro Line 9 ⓘ
surface form:
Line 9 (Mexico City Metro)
Line A (Mexico City Metro) ⓘ Line B of Mexico City Metro ⓘ
surface form:
Line B (Mexico City Metro)
|
| country | Mexico ⓘ |
| direction | east–west ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem | integrated Mexico City Metro fare ⓘ |
| hasCharacteristic |
heavy ridership
ⓘ
high passenger traffic ⓘ high-frequency service ⓘ |
| hasLineColor | pink ⓘ |
| hasRole | backbone of Mexico City Metro network ⓘ |
| hasStationType |
elevated
ⓘ
surface ⓘ underground ⓘ |
| hasSymbol | pink line icon of Mexico City Metro ⓘ |
| hasTerminus |
Observatorio station
ⓘ
Pantitlán station ⓘ |
| isKeyCorridorFor | east–west travel in Mexico City ⓘ |
| isOldestLineOf | Mexico City Metro ⓘ |
| isOneOfBusiestLinesOf | Mexico City Metro ⓘ |
| languageOfSignage | Spanish ⓘ |
| locatedIn |
Mexico
ⓘ
Mexico City ⓘ |
| openingDate | 1969-09-04 ⓘ |
| openingYear | 1969 ⓘ |
| operator |
Sistema de Transporte Colectivo
ⓘ
surface form:
Sistema de Transporte Colectivo (STC)
|
| partOf | Mexico City Metro ⓘ |
| servesArea | central Mexico City ⓘ |
| servesFunction | mass transit ⓘ |
| servesStation |
Balderas station
ⓘ
Estación Metro Chapultepec ⓘ
surface form:
Chapultepec station
Insurgentes metro station ⓘ
surface form:
Insurgentes station
Observatorio station ⓘ Pantitlán station ⓘ Pino Suárez station ⓘ Salto del Agua station ⓘ |
| system |
Sistema de Transporte Colectivo
ⓘ
surface form:
Sistema de Transporte Colectivo Metro
|
| trackGauge | standard gauge ⓘ |
| transports |
commuters
ⓘ
tourists ⓘ |
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: Line 1 Description of subject: Line 1 is the oldest and one of the busiest lines of the Mexico City Metro, running east–west across the city and serving many central, high-traffic stations.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.