M line
E464671
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4731709 — 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: [New York City Subway F line, hasConnection, M line]
-
A.
Y Line
Y Line is the common abbreviation for the Osaka Metro Yotsubashi Line, a rapid transit line serving central Osaka, Japan.
-
B.
C Line
The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
-
C.
H line
The H line is a route within Copenhagen’s S-train suburban rail network, serving as one of the system’s regular commuter lines.
-
D.
B line
The B line is a route within the S-train urban rail network, serving as one of its designated passenger service lines.
-
E.
G line
The G line is a New York City Subway service that runs entirely in Brooklyn and Queens, connecting neighborhoods such as Park Slope without entering Manhattan.
- 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 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.
-
A.
Y Line
Y Line is the common abbreviation for the Osaka Metro Yotsubashi Line, a rapid transit line serving central Osaka, Japan.
-
B.
C Line
The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
-
C.
H line
The H line is a route within Copenhagen’s S-train suburban rail network, serving as one of the system’s regular commuter lines.
-
D.
B line
The B line is a route within the S-train urban rail network, serving as one of its designated passenger service lines.
-
E.
G line
The G line is a New York City Subway service that runs entirely in Brooklyn and Queens, connecting neighborhoods such as Park Slope without entering Manhattan.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | New York City Subway service ⓘ |
| boroughServed |
Brooklyn
ⓘ
Manhattan ⓘ Queens NERFINISHED ⓘ |
| city | New York City ⓘ |
| colorOnMap | orange ⓘ |
| connectsNeighborhood |
Forest Hills
NERFINISHED
ⓘ
Middle Village NERFINISHED ⓘ |
| connectsToArea | Midtown Manhattan NERFINISHED ⓘ |
| connectsToBusinessDistrict | Midtown Manhattan NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | 600 V DC third rail ⓘ |
| fareMediumAccepted |
MetroCard
NERFINISHED
ⓘ
OMNY NERFINISHED ⓘ |
| fareSystem | MTA New York City Subway fare system NERFINISHED ⓘ |
| letterDesignation | M NERFINISHED ⓘ |
| networkDivision | IND/BMT NERFINISHED ⓘ |
| operatedBy |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority NERFINISHED ⓘ |
| primaryBoroughTerminal |
Brooklyn
NERFINISHED
ⓘ
Queens NERFINISHED ⓘ |
| rollingStockType | B Division subway cars ⓘ |
| servesFunction | commuter transit ⓘ |
| serviceArea |
Myrtle Avenue corridor
NERFINISHED
ⓘ
Queens Boulevard corridor NERFINISHED ⓘ Sixth Avenue corridor in Manhattan NERFINISHED ⓘ |
| serviceFrequency | regular weekday and weekend service ⓘ |
| servicePattern |
local in Brooklyn
ⓘ
local in Manhattan ⓘ local in Queens ⓘ |
| serviceType | rapid transit ⓘ |
| symbolOnMap | white M in orange circle ⓘ |
| system | New York City Subway ⓘ |
| terminalStation |
Forest Hills – 71 Avenue
NERFINISHED
ⓘ
Middle Village – Metropolitan Avenue NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| traversesBorough |
Brooklyn
NERFINISHED
ⓘ
Manhattan NERFINISHED ⓘ Queens NERFINISHED ⓘ |
| usesLine |
BMT Jamaica Line
NERFINISHED
ⓘ
BMT Myrtle Avenue Line NERFINISHED ⓘ Chrystie Street Connection NERFINISHED ⓘ IND Queens Boulevard Line NERFINISHED ⓘ IND Sixth Avenue Line NERFINISHED ⓘ |
| usesTrunkLineInManhattan | IND Sixth Avenue Line NERFINISHED ⓘ |
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 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.