Logan station
E81427
Logan station is an underground rapid transit stop in Philadelphia, Pennsylvania, serving the Logan neighborhood on SEPTA’s Broad Street Line.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Logan station canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T472033 — 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: Logan station Context triple: [SEPTA Broad Street Line, hasStation, Logan station]
-
A.
Snyder station
Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
-
B.
St. Clair station
St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
-
C.
Lawrence station
Lawrence station is a Toronto Transit Commission subway station on Line 1 Yonge–University, serving the Lawrence Avenue and Yonge Street area in midtown Toronto.
-
D.
Ayer station
Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
-
E.
Lawrence West station
Lawrence West station is a subway station on Toronto's Line 1 Yonge–University, serving the Lawrence Heights and surrounding North York area.
- 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: Logan station Target entity description: Logan station is an underground rapid transit stop in Philadelphia, Pennsylvania, serving the Logan neighborhood on SEPTA’s Broad Street Line.
-
A.
Snyder station
Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
-
B.
St. Clair station
St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
-
C.
Lawrence station
Lawrence station is a Toronto Transit Commission subway station on Line 1 Yonge–University, serving the Lawrence Avenue and Yonge Street area in midtown Toronto.
-
D.
Ayer station
Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
-
E.
Lawrence West station
Lawrence West station is a subway station on Toronto's Line 1 Yonge–University, serving the Lawrence Heights and surrounding North York area.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
SEPTA Broad Street Line station
ⓘ
rapid transit station ⓘ |
| category |
Railway stations in Philadelphia
ⓘ
SEPTA Broad Street Line stations ⓘ |
| cityServed | Philadelphia ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| fareSystem | SEPTA Key ⓘ |
| hasPlatformType | island platform ⓘ |
| hasService |
express trains
ⓘ
local trains ⓘ |
| hasTracks | 2 ⓘ |
| isBelow |
Broad Street
ⓘ
linked to:
Broad Street Extension
|
| lineColor | orange ⓘ |
| locatedIn |
Logan, Philadelphia, Pennsylvania
ⓘ
Philadelphia, Pennsylvania ⓘ
linked to:
Philadelphia
United States ⓘ
linked to:
United States of America
|
| neighborhoodServed | Logan ⓘ |
| operator | SEPTA ⓘ |
| ownedBy | SEPTA ⓘ |
| partOfNetwork |
SEPTA Rapid Transit system
ⓘ
linked to:
SEPTA rapid transit network
|
| publicTransitSystem | SEPTA ⓘ |
| servedByLine | Broad Street Line ⓘ |
| state | Pennsylvania ⓘ |
| structureType | underground ⓘ |
| transportationMode | rapid transit ⓘ |
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: Logan station Description of subject: Logan station is an underground rapid transit stop in Philadelphia, Pennsylvania, serving the Logan neighborhood on SEPTA’s Broad Street Line.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.