Z line
E661652
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Z line canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7411862 — 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: Z line Context triple: [East New York, subwayLine, Z 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.
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.
-
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.
N line
The N line is a service of the New York City Subway system that runs through Manhattan, Brooklyn, and Queens, connecting key neighborhoods and major transit hubs.
-
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: Z line Target entity description: 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.
-
A.
Y Line
Y Line is the common abbreviation for the Osaka Metro Yotsubashi Line, a rapid transit line serving central Osaka, Japan.
-
B.
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.
-
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.
N line
The N line is a service of the New York City Subway system that runs through Manhattan, Brooklyn, and Queens, connecting key neighborhoods and major transit hubs.
-
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 (29)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway service
ⓘ
rush-hour service ⓘ skip-stop service ⓘ |
| boroughServed |
Brooklyn
ⓘ
Manhattan ⓘ Queens ⓘ |
| city | New York City ⓘ |
| color | brown ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| division | BMT ⓘ |
| electrification | 600 V DC third rail ⓘ |
| fareSystem | MTA New York City Subway fare system ⓘ |
| introducedAs | separate rush-hour variant of J service ⓘ |
| lineType | rapid transit ⓘ |
| operatedBy | New York City Transit Authority ⓘ |
| operatorParent | Metropolitan Transportation Authority ⓘ |
| partOf | New York City Subway ⓘ |
| routeFamily | J/Z route ⓘ |
| serviceArea |
BMT Jamaica Line between Queens and Manhattan
ⓘ
linked to:
BMT Jamaica Line
|
| serviceDays | weekdays ⓘ |
| serviceDirection | peak-direction only ⓘ |
| servicePattern | skip-stop with J line on BMT Jamaica Line ⓘ |
| serviceTime | rush hours ⓘ |
| sharesRouteWith | J line ⓘ |
| symbolLetter | Z ⓘ |
| terminus |
Broad Street
ⓘ
Jamaica Center–Parsons/Archer ⓘ |
| trackGauge | standard gauge ⓘ |
| usesLine | BMT Jamaica Line ⓘ |
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: Z line Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.