M-Line Trolley
E127181
M-Line Trolley is a heritage streetcar system operating in Dallas, Texas, providing free public transportation along the McKinney Avenue and Uptown areas.
All labels observed (2)
| Label | Occurrences |
|---|---|
| M-Line Trolley canonical | 2 |
| M-Line heritage trolley | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1102534 — 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: M-Line Trolley Context triple: [McKinney Avenue Trolley, alsoKnownAs, M-Line Trolley]
-
A.
Metrocars
Metrocars are the electric multiple unit trains specifically designed and used for passenger services on the Tyne and Wear Metro system in North East England.
-
B.
Trolebús
Trolebús is an electric trolleybus transit system serving Mexico City as part of its broader public transportation network.
-
C.
PCC streetcar
The PCC streetcar is a standardized, streamlined electric tram design introduced in the 1930s that became one of the most widely used and influential streetcar types in North America and beyond.
-
D.
TECO Line Streetcar System
The TECO Line Streetcar System is a heritage-style electric streetcar network serving downtown Tampa, Florida, and its surrounding districts as a public transit and tourist attraction.
-
E.
O-Train
The O-Train is Ottawa’s urban rail transit system, providing light rail service across key corridors of Canada’s capital city.
- 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: M-Line Trolley Target entity description: M-Line Trolley is a heritage streetcar system operating in Dallas, Texas, providing free public transportation along the McKinney Avenue and Uptown areas.
-
A.
Metrocars
Metrocars are the electric multiple unit trains specifically designed and used for passenger services on the Tyne and Wear Metro system in North East England.
-
B.
Trolebús
Trolebús is an electric trolleybus transit system serving Mexico City as part of its broader public transportation network.
-
C.
PCC streetcar
The PCC streetcar is a standardized, streamlined electric tram design introduced in the 1930s that became one of the most widely used and influential streetcar types in North America and beyond.
-
D.
TECO Line Streetcar System
The TECO Line Streetcar System is a heritage-style electric streetcar network serving downtown Tampa, Florida, and its surrounding districts as a public transit and tourist attraction.
-
E.
O-Train
The O-Train is Ottawa’s urban rail transit system, providing light rail service across key corridors of Canada’s capital city.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
heritage streetcar system
ⓘ
public transportation system ⓘ tourist attraction ⓘ |
| alsoKnownAs |
M-Line Streetcar
ⓘ
McKinney Avenue Trolley ⓘ |
| cityServed |
Dallas, Texas
ⓘ
surface form:
Dallas
|
| countryServed |
United States of America
ⓘ
surface form:
United States
|
| fareCollection | no onboard fare collection ⓘ |
| farePolicy | free to ride ⓘ |
| hasHeadquarters | Dallas, Texas ⓘ |
| hasRoute |
Route along McKinney Avenue
ⓘ
Route through Uptown Dallas ⓘ |
| heritageRollingStock | vintage streetcars ⓘ |
| locatedIn |
Dallas, Texas
ⓘ
United States of America ⓘ
surface form:
United States
|
| notableFeature |
operates restored historic streetcars
ⓘ
provides free transportation in Uptown Dallas ⓘ |
| openingDate | 1989 ⓘ |
| operatesInArea |
McKinney Avenue
ⓘ
Uptown Dallas ⓘ |
| operator | McKinney Avenue Transit Authority ⓘ |
| primaryUse | public transit ⓘ |
| propulsionSystem | electric ⓘ |
| secondaryUse | tourist service ⓘ |
| serviceFrequency | multiple trips per day ⓘ |
| serviceType | heritage streetcar ⓘ |
| shortName | M-Line ⓘ |
| stateServed | Texas ⓘ |
| trackGauge | standard gauge ⓘ |
| transportType | streetcar ⓘ |
| website | https://www.mata.org/ ⓘ |
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: M-Line Trolley Description of subject: M-Line Trolley is a heritage streetcar system operating in Dallas, Texas, providing free public transportation along the McKinney Avenue and Uptown areas.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
M-Line heritage trolley