M line
E1029643
The M line was a historic streetcar route that formed part of the early 20th-century Los Angeles public transit network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13233495 — 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 Context triple: [Los Angeles Railway, operatedLines, M line]
-
A.
M line
The M line is a New York City Subway service that runs primarily in Manhattan, Brooklyn, and Queens, connecting neighborhoods such as Middle Village and Forest Hills with Midtown Manhattan via the Sixth Avenue Line.
-
B.
Z line
The Z line is a rush-hour skip-stop service on the New York City Subway’s J/Z route, running along the BMT Jamaica Line between Queens and Manhattan.
-
C.
Line M1
Line M1 is a primary metro line of the Warsaw Metro system, running north–south through the city and serving key residential and commercial districts.
-
D.
L line
The L line is a New York City Subway service that runs crosstown through Manhattan and into Brooklyn, including the East New York area, and is known for its role as a major connector between these boroughs.
-
E.
E line
The E line is a rapid transit service of the New York City Subway that runs primarily along the IND Eighth Avenue Line in Manhattan and Queens.
- 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 Target entity description: The M line was a historic streetcar route that formed part of the early 20th-century Los Angeles public transit network.
-
A.
M line
The M line is a New York City Subway service that runs primarily in Manhattan, Brooklyn, and Queens, connecting neighborhoods such as Middle Village and Forest Hills with Midtown Manhattan via the Sixth Avenue Line.
-
B.
Z line
The Z line is a rush-hour skip-stop service on the New York City Subway’s J/Z route, running along the BMT Jamaica Line between Queens and Manhattan.
-
C.
Line M1
Line M1 is a primary metro line of the Warsaw Metro system, running north–south through the city and serving key residential and commercial districts.
-
D.
L line
The L line is a New York City Subway service that runs crosstown through Manhattan and into Brooklyn, including the East New York area, and is known for its role as a major connector between these boroughs.
-
E.
E line
The E line is a rapid transit service of the New York City Subway that runs primarily along the IND Eighth Avenue Line in Manhattan and Queens.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
historic transportation infrastructure
ⓘ
public transit route ⓘ streetcar line ⓘ |
| historicalStatus | defunct streetcar line ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Los Angeles ⓘ United States ⓘ
linked to:
United States of America
|
| modeOfTransport | streetcar ⓘ |
| networkRole | component route of Los Angeles streetcar system ⓘ |
| operatedAs | street railway service ⓘ |
| operatedInCentury | 20th century ⓘ |
| operatedInPeriod | early 20th century ⓘ |
| partOf |
Los Angeles public transit network
ⓘ
Los Angeles streetcar network ⓘ
linked to:
Los Angeles Railway urban transit system
|
| propulsionType | electric streetcar ⓘ |
| publicTransitSystemType | streetcar system ⓘ |
| servedArea |
Los Angeles metropolitan area
ⓘ
linked to:
Greater Los Angeles Area
|
| servedFunction | passenger transport ⓘ |
| transportationType | urban transit ⓘ |
| usedInfrastructure | street-running tracks ⓘ |
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 Description of subject: The M line was a historic streetcar route that formed part of the early 20th-century Los Angeles public transit network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.