15th Street station (Market–Frankford Line)
E1025424
15th Street station (Market–Frankford Line) is a major underground rapid transit stop in Center City Philadelphia that connects the Market–Frankford Line with other SEPTA services near City Hall.
All labels observed (2)
| Label | Occurrences |
|---|---|
| 15th Street station (Market–Frankford Line) canonical | 2 |
| 15th Street station (SEPTA) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13167838 — 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: 15th Street station (Market–Frankford Line) Context triple: [Penn Square station, formerNameOf, 15th Street station (Market–Frankford 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.
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B.
11th Street station
11th Street station is a commuter rail station in downtown Chicago that serves Metra’s Electric District near the Museum Campus and Soldier Field.
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C.
11th Street station
11th Street station is a SEPTA subway station in Center City Philadelphia that serves the Market–Frankford Line and provides access to nearby regional rail and commercial areas.
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D.
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.
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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: 15th Street station (Market–Frankford Line) Target entity description: 15th Street station (Market–Frankford Line) is a major underground rapid transit stop in Center City Philadelphia that connects the Market–Frankford Line with other SEPTA services near City Hall.
-
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.
11th Street station
11th Street station is a commuter rail station in downtown Chicago that serves Metra’s Electric District near the Museum Campus and Soldier Field.
-
C.
11th Street station
11th Street station is a SEPTA subway station in Center City Philadelphia that serves the Market–Frankford Line and provides access to nearby regional rail and commercial areas.
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D.
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.
-
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 (42)
| Predicate | Object |
|---|---|
| instanceOf |
SEPTA station
ⓘ
rapid transit station ⓘ underground railway station ⓘ |
| adjacentTo | City Hall station (Broad Street Line) NERFINISHED ⓘ |
| connectedTo |
City Hall station (Broad Street Line)
NERFINISHED
ⓘ
SEPTA Regional Rail NERFINISHED ⓘ SEPTA Trolley lines NERFINISHED ⓘ Suburban Station NERFINISHED ⓘ |
| connectsWithMode |
bus
ⓘ
regional rail ⓘ subway ⓘ trolley ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fareSystem | SEPTA Key NERFINISHED ⓘ |
| hasConnection |
SEPTA bus services
NERFINISHED
ⓘ
SEPTA subway–surface trolley lines NERFINISHED ⓘ |
| hasNearbyLandmark |
Dilworth Park
NERFINISHED
ⓘ
Love Park NERFINISHED ⓘ Pennsylvania Convention Center NERFINISHED ⓘ |
| hasRole | downtown transfer hub ⓘ |
| hasService |
eastbound Market–Frankford Line trains
ⓘ
westbound Market–Frankford Line trains ⓘ |
| isInTunnel | true ⓘ |
| isMajorInterchange | true ⓘ |
| locatedIn |
Center City, Philadelphia
NERFINISHED
ⓘ
Pennsylvania ⓘ Philadelphia ⓘ
surface form:
Philadelphia, Pennsylvania
United States of America ⓘ
surface form:
United States
|
| locatedNear | Philadelphia City Hall NERFINISHED ⓘ |
| locatedUnder | Market Street NERFINISHED ⓘ |
| operator | SEPTA NERFINISHED ⓘ |
| ownedBy | Southeastern Pennsylvania Transportation Authority NERFINISHED ⓘ |
| partOf |
SEPTA City Transit Division
NERFINISHED
ⓘ
SEPTA Rapid Transit system NERFINISHED ⓘ |
| partOfComplex | City Hall/15th Street transportation complex NERFINISHED ⓘ |
| platformType | island platform ⓘ |
| publicTransitSystem | SEPTA NERFINISHED ⓘ |
| railwayLine | Market–Frankford Line NERFINISHED ⓘ |
| serves | Market–Frankford Line NERFINISHED ⓘ |
| servesCity | Philadelphia NERFINISHED ⓘ |
| structureType | underground ⓘ |
| zone | Center City 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: 15th Street station (Market–Frankford Line) Description of subject: 15th Street station (Market–Frankford Line) is a major underground rapid transit stop in Center City Philadelphia that connects the Market–Frankford Line with other SEPTA services near City Hall.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
15th Street station (SEPTA)