CBTU (Companhia Brasileira de Trens Urbanos)
E1375467
UNEXPLORED
CBTU (Companhia Brasileira de Trens Urbanos) is a Brazilian federal state-owned company responsible for operating and managing urban rail and metro systems in several major cities across Brazil.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Companhia Brasileira de Trens Urbanos | 2 |
| CBTU (Companhia Brasileira de Trens Urbanos) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T19432337 — 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: CBTU (Companhia Brasileira de Trens Urbanos) Context triple: [Belo Horizonte Metro, operator, CBTU (Companhia Brasileira de Trens Urbanos)]
-
A.
CPTM commuter rail
CPTM commuter rail is a suburban rail network serving the São Paulo metropolitan area, connecting the city to its surrounding municipalities.
-
B.
São Paulo State Secretariat of Metropolitan Transport
The São Paulo State Secretariat of Metropolitan Transport is a government body responsible for planning, coordinating, and overseeing metropolitan public transportation systems within the state of São Paulo, Brazil.
-
C.
São Paulo Municipal Transport Secretariat
The São Paulo Municipal Transport Secretariat is the city government department responsible for planning, regulating, and overseeing public transportation and mobility policies in São Paulo, Brazil.
-
D.
E.F.C.B. (Estrada de Ferro Central do Brasil)
E.F.C.B. (Estrada de Ferro Central do Brasil) is a painting by Brazilian modernist artist Tarsila do Amaral that reflects her distinctive style and engagement with Brazil’s industrial and cultural landscape.
-
E.
CPTM Line 10-Turquesa
CPTM Line 10-Turquesa is a commuter rail line in the São Paulo metropolitan rail network, operated by CPTM and serving key suburban and industrial areas in the region.
- 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: CBTU (Companhia Brasileira de Trens Urbanos) Target entity description: CBTU (Companhia Brasileira de Trens Urbanos) is a Brazilian federal state-owned company responsible for operating and managing urban rail and metro systems in several major cities across Brazil.
-
A.
CPTM commuter rail
CPTM commuter rail is a suburban rail network serving the São Paulo metropolitan area, connecting the city to its surrounding municipalities.
-
B.
São Paulo State Secretariat of Metropolitan Transport
The São Paulo State Secretariat of Metropolitan Transport is a government body responsible for planning, coordinating, and overseeing metropolitan public transportation systems within the state of São Paulo, Brazil.
-
C.
São Paulo Municipal Transport Secretariat
The São Paulo Municipal Transport Secretariat is the city government department responsible for planning, regulating, and overseeing public transportation and mobility policies in São Paulo, Brazil.
-
D.
E.F.C.B. (Estrada de Ferro Central do Brasil)
E.F.C.B. (Estrada de Ferro Central do Brasil) is a painting by Brazilian modernist artist Tarsila do Amaral that reflects her distinctive style and engagement with Brazil’s industrial and cultural landscape.
-
E.
CPTM Line 10-Turquesa
CPTM Line 10-Turquesa is a commuter rail line in the São Paulo metropolitan rail network, operated by CPTM and serving key suburban and industrial areas in the region.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: CBTU (Companhia Brasileira de Trens Urbanos)
linked to: CBTU (Companhia Brasileira de Trens Urbanos)