20th Avenue
E577863
20th Avenue is a local New York City Subway station in Brooklyn serving the BMT Sea Beach Line.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 20th Avenue canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6211571 — 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: 20th Avenue Context triple: [BMT Sea Beach Line, hasStation, 20th Avenue]
-
A.
18th Avenue
18th Avenue is a local New York City Subway station in Brooklyn served by the BMT Sea Beach Line (N train).
-
B.
20th Street
20th Street is an east–west thoroughfare in Manhattan, New York City, running through neighborhoods including the Flatiron District.
-
C.
36th Avenue
36th Avenue is a New York City Subway station in Astoria, Queens, served by the N and W trains on the BMT Astoria Line.
-
D.
32nd Avenue
32nd Avenue is a north–south residential street in San Francisco’s Richmond District, intersecting major east–west corridors such as California Street.
-
E.
Twelfth Avenue
Twelfth Avenue is a major north–south thoroughfare on Manhattan’s West Side that forms part of New York City’s West Side Highway and runs along the Hudson River.
- 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: 20th Avenue Target entity description: 20th Avenue is a local New York City Subway station in Brooklyn serving the BMT Sea Beach Line.
-
A.
18th Avenue
18th Avenue is a local New York City Subway station in Brooklyn served by the BMT Sea Beach Line (N train).
-
B.
20th Street
20th Street is an east–west thoroughfare in Manhattan, New York City, running through neighborhoods including the Flatiron District.
-
C.
36th Avenue
36th Avenue is a New York City Subway station in Astoria, Queens, served by the N and W trains on the BMT Astoria Line.
-
D.
32nd Avenue
32nd Avenue is a north–south residential street in San Francisco’s Richmond District, intersecting major east–west corridors such as California Street.
-
E.
Twelfth Avenue
Twelfth Avenue is a major north–south thoroughfare on Manhattan’s West Side that forms part of New York City’s West Side Highway and runs along the Hudson River.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway station
ⓘ
railway station ⓘ |
| accessible | no ⓘ |
| borough | Brooklyn ⓘ |
| division | BMT ⓘ |
| fareControlArea | mezzanine over platforms ⓘ |
| fareSystem |
MetroCard
ⓘ
OMNY ⓘ |
| hasAdjacentStation |
18th Avenue (BMT Sea Beach Line)
ⓘ
linked to:
18th Avenue (BMT West End Line)
Bay Parkway (BMT Sea Beach Line) ⓘ |
| hasExitTo |
20th Avenue
ⓘ
86th Street ⓘ |
| hasPlatformType | side platform ⓘ |
| hasServicePattern | local ⓘ |
| hasTrackUsage |
2 center express tracks usually not in regular service
ⓘ
2 tracks in regular service ⓘ |
| locatedIn |
Brooklyn
ⓘ
New York ⓘ New York City ⓘ United States ⓘ
linked to:
United States of America
|
| neighborhood | Bensonhurst ⓘ |
| opened | 1915-06-22 ⓘ |
| operatedBy | New York City Transit Authority ⓘ |
| ownedBy |
City of New York
ⓘ
linked to:
New York City
|
| partOfSystem | New York City Subway ⓘ |
| platformConfiguration | 2 side platforms ⓘ |
| servedByTrain | N ⓘ |
| servesLine | BMT Sea Beach Line ⓘ |
| stationCode | N10 ⓘ |
| structureType | open-cut ⓘ |
| trackNumber | 4 ⓘ |
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: 20th Avenue Description of subject: 20th Avenue is a local New York City Subway station in Brooklyn serving the BMT Sea Beach Line.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.