Line 12-Safira
E293556
Line 12-Safira is a commuter rail line in the São Paulo metropolitan area operated by CPTM, serving eastern suburbs and connecting them to the city’s main rail network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 12-Safira canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2720751 — 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 12-Safira Context triple: [CPTM commuter rail, hasLine, Line 12-Safira]
-
A.
Line 15–Silver
Line 15–Silver is a driverless monorail line of the São Paulo Metro system serving the city’s eastern zone.
-
B.
Línea 6
Línea 6 is a modern, fully automated metro line in Santiago, Chile, known for its advanced technology, safety features, and connection between key residential and commercial areas of the city.
-
C.
Line 5–Lilac
Line 5–Lilac is a rapid transit line of the São Paulo Metro system serving the city’s south and southwest zones.
-
D.
Line 2
Line 2 is a major east–west rapid transit route of the Shanghai Metro that connects key commercial, residential, and airport hubs across the city.
-
E.
Line 2
Line 2 is a major rapid transit route of the Guangzhou Metro system that runs through key urban districts and serves as one of the network’s primary north–south corridors.
- 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 12-Safira Target entity description: Line 12-Safira is a commuter rail line in the São Paulo metropolitan area operated by CPTM, serving eastern suburbs and connecting them to the city’s main rail network.
-
A.
Line 15–Silver
Line 15–Silver is a driverless monorail line of the São Paulo Metro system serving the city’s eastern zone.
-
B.
Línea 6
Línea 6 is a modern, fully automated metro line in Santiago, Chile, known for its advanced technology, safety features, and connection between key residential and commercial areas of the city.
-
C.
Line 5–Lilac
Line 5–Lilac is a rapid transit line of the São Paulo Metro system serving the city’s south and southwest zones.
-
D.
Line 2
Line 2 is a major east–west rapid transit route of the Shanghai Metro that connects key commercial, residential, and airport hubs across the city.
-
E.
Line 2
Line 2 is a major rapid transit route of the Guangzhou Metro system that runs through key urban districts and serves as one of the network’s primary north–south corridors.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway line ⓘ |
| colorDesignation | sapphire ⓘ |
| connectsTo | São Paulo main rail network ⓘ |
| country | Brazil ⓘ |
| electrification | 3,000 V DC overhead line ⓘ |
| fareIntegrationWith |
São Paulo Metro
ⓘ
other CPTM lines ⓘ |
| fareSystem | São Paulo metropolitan public transport integrated fare system ⓘ |
| languageOfName | Portuguese ⓘ |
| locatedIn |
State of São Paulo
ⓘ
linked to:
state of São Paulo
São Paulo metropolitan area ⓘ |
| nameComponent |
Line 12
ⓘ
Safira ⓘ |
| networkRole | connects peripheral eastern districts to central rail network ⓘ |
| operator |
CPTM
ⓘ
linked to:
CPTM commuter rail
Companhia Paulista de Trens Metropolitanos ⓘ
linked to:
CPTM commuter rail
|
| owner | Government of the State of São Paulo ⓘ |
| partOfNetwork |
CPTM rail network
ⓘ
linked to:
CPTM commuter rail
|
| railGauge | broad gauge ⓘ |
| regionServed | eastern zone of São Paulo metropolitan region ⓘ |
| serves | eastern suburbs of São Paulo ⓘ |
| serviceType | commuter rail ⓘ |
| transportMode | rail ⓘ |
| uses | electric multiple units ⓘ |
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 12-Safira Description of subject: Line 12-Safira is a commuter rail line in the São Paulo metropolitan area operated by CPTM, serving eastern suburbs and connecting them to the city’s main rail network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.