SEPTA Airport Line
E576389
The SEPTA Airport Line is a commuter rail service in the Philadelphia area that connects Center City with Philadelphia International Airport and several intermediate neighborhoods.
All labels observed (2)
| Label | Occurrences |
|---|---|
| SEPTA Airport Line canonical | 4 |
| Airport Line (SEPTA Regional Rail) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6186759 — 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: SEPTA Airport Line Context triple: [Eastwick station, hasLine, SEPTA Airport Line]
-
A.
SEPTA Broad Street Line
The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
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B.
SEPTA Wilmington/Newark Line
The SEPTA Wilmington/Newark Line is a regional rail service connecting Philadelphia with Wilmington, Delaware and Newark, Delaware, providing commuter and intercity transit along the Northeast Corridor.
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C.
SEPTA Trenton Line
The SEPTA Trenton Line is a commuter rail service in the Philadelphia region that connects Center City Philadelphia with Trenton, New Jersey as part of SEPTA's Regional Rail network.
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D.
SEPTA Fox Chase Line
The SEPTA Fox Chase Line is a commuter rail service in the Philadelphia area that connects Center City with the Fox Chase neighborhood in Northeast Philadelphia.
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E.
SEPTA Chestnut Hill East Line
The SEPTA Chestnut Hill East Line is a commuter rail service in the Philadelphia area that runs between Center City and the Chestnut Hill neighborhood as part of SEPTA’s Regional Rail network.
- 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: SEPTA Airport Line Target entity description: The SEPTA Airport Line is a commuter rail service in the Philadelphia area that connects Center City with Philadelphia International Airport and several intermediate neighborhoods.
-
A.
SEPTA Broad Street Line
The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
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B.
SEPTA Wilmington/Newark Line
The SEPTA Wilmington/Newark Line is a regional rail service connecting Philadelphia with Wilmington, Delaware and Newark, Delaware, providing commuter and intercity transit along the Northeast Corridor.
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C.
SEPTA Trenton Line
The SEPTA Trenton Line is a commuter rail service in the Philadelphia region that connects Center City Philadelphia with Trenton, New Jersey as part of SEPTA's Regional Rail network.
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D.
SEPTA Fox Chase Line
The SEPTA Fox Chase Line is a commuter rail service in the Philadelphia area that connects Center City with the Fox Chase neighborhood in Northeast Philadelphia.
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E.
SEPTA Chestnut Hill East Line
The SEPTA Chestnut Hill East Line is a commuter rail service in the Philadelphia area that runs between Center City and the Chestnut Hill neighborhood as part of SEPTA’s Regional Rail network.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
airport rail link
ⓘ
commuter rail line ⓘ |
| connects |
Center City Philadelphia
NERFINISHED
ⓘ
Philadelphia International Airport NERFINISHED ⓘ |
| connectsWith |
Broad Street Line
NERFINISHED
ⓘ
Market–Frankford Line NERFINISHED ⓘ other SEPTA Regional Rail lines at Center City stations ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | overhead line ⓘ |
| fareSystem | SEPTA fare system ⓘ |
| hasColorOnSystemMap | purple (SEPTA Regional Rail color scheme) NERFINISHED ⓘ |
| hasServiceType | all-stops local service ⓘ |
| lineNumber | Airport Line NERFINISHED ⓘ |
| locale | Philadelphia metropolitan area NERFINISHED ⓘ |
| openedForService | 1985 ⓘ |
| operator |
SEPTA
NERFINISHED
ⓘ
Southeastern Pennsylvania Transportation Authority NERFINISHED ⓘ |
| owner | SEPTA NERFINISHED ⓘ |
| partOfNetwork | SEPTA Regional Rail NERFINISHED ⓘ |
| primaryFunction | provide direct rail service between Center City Philadelphia and Philadelphia International Airport ⓘ |
| regionServed | Southeastern Pennsylvania NERFINISHED ⓘ |
| servesCity | Philadelphia NERFINISHED ⓘ |
| servesStation |
30th Street Station
NERFINISHED
ⓘ
Airport Terminal A Station NERFINISHED ⓘ Airport Terminal B Station NERFINISHED ⓘ Airport Terminal C–D Station NERFINISHED ⓘ Airport Terminal E–F Station NERFINISHED ⓘ Eastwick Station NERFINISHED ⓘ Jefferson Station NERFINISHED ⓘ Suburban Station NERFINISHED ⓘ |
| state | Pennsylvania ⓘ |
| terminus |
Center City Philadelphia
NERFINISHED
ⓘ
Philadelphia International Airport NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usesInfrastructure | Amtrak-owned Northeast Corridor (portion into 30th Street Station) NERFINISHED ⓘ |
| usesRollingStock | electric multiple units ⓘ |
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: SEPTA Airport Line Description of subject: The SEPTA Airport Line is a commuter rail service in the Philadelphia area that connects Center City with Philadelphia International Airport and several intermediate neighborhoods.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Philadelphia International Airport
this entity surface form:
Airport Line (SEPTA Regional Rail)