City Hall station (SEPTA Broad Street Line)
E1025423
City Hall station (SEPTA Broad Street Line) is a major underground subway station located beneath Philadelphia’s City Hall, serving as a central hub on SEPTA’s Broad Street Line.
All labels observed (1)
| Label | Occurrences |
|---|---|
| City Hall station (SEPTA Broad Street Line) canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T13167837 — 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: City Hall station (SEPTA Broad Street Line) Context triple: [Penn Square station, formerNameOf, City Hall station (SEPTA Broad Street Line)]
-
A.
SEPTA 34th Street Station (Market–Frankford Line)
SEPTA 34th Street Station (Market–Frankford Line) is an elevated rapid transit station in West Philadelphia serving the Market–Frankford Line, providing access to nearby University City institutions and surrounding neighborhoods.
-
B.
Fairmount station (Broad Street Line)
Fairmount station (Broad Street Line) is an underground rapid transit station on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.
-
C.
Erie station (Broad Street Line)
Erie station (Broad Street Line) is a rapid transit station on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.
-
D.
Allegheny station (Broad Street Line)
Allegheny station (Broad Street Line) is a rapid transit station on SEPTA’s Broad Street Line in Philadelphia, serving the surrounding North Philadelphia neighborhood.
-
E.
Girard station (Broad Street Line)
Girard station (Broad Street Line) is an underground rapid transit station in Philadelphia, Pennsylvania, located along SEPTA’s Broad Street Line near the intersection of Girard Avenue and Broad Street.
- 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: City Hall station (SEPTA Broad Street Line) Target entity description: City Hall station (SEPTA Broad Street Line) is a major underground subway station located beneath Philadelphia’s City Hall, serving as a central hub on SEPTA’s Broad Street Line.
-
A.
SEPTA 34th Street Station (Market–Frankford Line)
SEPTA 34th Street Station (Market–Frankford Line) is an elevated rapid transit station in West Philadelphia serving the Market–Frankford Line, providing access to nearby University City institutions and surrounding neighborhoods.
-
B.
Fairmount station (Broad Street Line)
Fairmount station (Broad Street Line) is an underground rapid transit station on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.
-
C.
Erie station (Broad Street Line)
Erie station (Broad Street Line) is a rapid transit station on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.
-
D.
Allegheny station (Broad Street Line)
Allegheny station (Broad Street Line) is a rapid transit station on SEPTA’s Broad Street Line in Philadelphia, serving the surrounding North Philadelphia neighborhood.
-
E.
Girard station (Broad Street Line)
Girard station (Broad Street Line) is an underground rapid transit station in Philadelphia, Pennsylvania, located along SEPTA’s Broad Street Line near the intersection of Girard Avenue and Broad Street.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
SEPTA Broad Street Line station
ⓘ
rapid transit station ⓘ subway station ⓘ |
| adjacentStationOnLine |
Race–Vine station
NERFINISHED
ⓘ
Walnut–Locust station NERFINISHED ⓘ |
| connectsToMode |
bus
ⓘ
regional rail ⓘ trolley ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fareSystem | SEPTA Key NERFINISHED ⓘ |
| fareZone | Center City NERFINISHED ⓘ |
| hasAccessibilityStatus | partially accessible ⓘ |
| hasConnection |
15th Street station (SEPTA Market–Frankford Line)
NERFINISHED
ⓘ
Penn Center Concourse NERFINISHED ⓘ SEPTA City Hall trolley station NERFINISHED ⓘ Suburban Station NERFINISHED ⓘ |
| hasEntrance |
Dilworth Park
NERFINISHED
ⓘ
Philadelphia City Hall concourse ⓘ |
| hasService |
all-day service
ⓘ
peak-hour express service ⓘ |
| hasUndergroundConcourse | Center City Concourse NERFINISHED ⓘ |
| isCentralStationFor | Broad Street Line trunk section NERFINISHED ⓘ |
| isCentralTransferPointFor | SEPTA subway and regional rail lines in Center City ⓘ |
| isMajorHubFor |
SEPTA Broad Street Line
NERFINISHED
ⓘ
SEPTA transit network in Center City ⓘ |
| locatedAt | Center City Philadelphia NERFINISHED ⓘ |
| locatedIn |
Pennsylvania
ⓘ
Philadelphia ⓘ United States of America ⓘ
surface form:
United States
|
| locatedInBorough | Center City district ⓘ |
| locatedInCounty | Philadelphia County NERFINISHED ⓘ |
| locatedOnStreet | Broad Street NERFINISHED ⓘ |
| locatedUnder | Philadelphia City Hall NERFINISHED ⓘ |
| numberOfPlatforms | 2 ⓘ |
| numberOfTracks | 4 ⓘ |
| openingDate | 1928 ⓘ |
| operator | SEPTA NERFINISHED ⓘ |
| ownedBy | SEPTA NERFINISHED ⓘ |
| partOfNetwork | SEPTA subway–surface and regional rail concourse system NERFINISHED ⓘ |
| platformType | island platform ⓘ |
| servesCity | Philadelphia NERFINISHED ⓘ |
| servesLine | Broad Street Line NERFINISHED ⓘ |
| servesServicePattern |
express trains
ⓘ
local trains ⓘ |
| structureType | underground ⓘ |
| system | SEPTA NERFINISHED ⓘ |
| ticketingSystem | faregates with SEPTA Key readers ⓘ |
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: City Hall station (SEPTA Broad Street Line) Description of subject: City Hall station (SEPTA Broad Street Line) is a major underground subway station located beneath Philadelphia’s City Hall, serving as a central hub on SEPTA’s Broad Street Line.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.