40th Street Portal
E13334
40th Street Portal is a major West Philadelphia transit junction where SEPTA’s subway–surface trolley lines emerge from the underground tunnel to continue on surface streets.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 40th Street Portal canonical | 3 |
| 36th Street Portal | 1 |
| Market Street subway tunnel | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T92364 — 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: 40th Street Portal Context triple: [SEPTA Subway–Surface Trolley Lines, centralTunnelTerminus, 40th Street Portal]
-
A.
Sproul Plaza
Sproul Plaza is the central public square of UC Berkeley’s campus, historically renowned as a focal point for student activism and free speech movements.
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B.
Union Station
Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
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C.
14th Street Bridge complex
The 14th Street Bridge complex is a group of highway and railway bridges over the Potomac River that serves as a major transportation link between Northern Virginia and Washington, D.C.
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D.
Conley Terminal
Conley Terminal is the primary container shipping facility serving the Port of Boston and New England’s maritime trade.
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E.
Concourse C
Concourse C is one of the main passenger terminal concourses at Washington Dulles International Airport, serving numerous domestic and international airline gates.
- 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: 40th Street Portal Target entity description: 40th Street Portal is a major West Philadelphia transit junction where SEPTA’s subway–surface trolley lines emerge from the underground tunnel to continue on surface streets.
-
A.
Sproul Plaza
Sproul Plaza is the central public square of UC Berkeley’s campus, historically renowned as a focal point for student activism and free speech movements.
-
B.
Union Station
Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
-
C.
14th Street Bridge complex
The 14th Street Bridge complex is a group of highway and railway bridges over the Potomac River that serves as a major transportation link between Northern Virginia and Washington, D.C.
-
D.
Conley Terminal
Conley Terminal is the primary container shipping facility serving the Port of Boston and New England’s maritime trade.
-
E.
Concourse C
Concourse C is one of the main passenger terminal concourses at Washington Dulles International Airport, serving numerous domestic and international airline gates.
- F. None of above. chosen
Statements (40)
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: 40th Street Portal Description of subject: 40th Street Portal is a major West Philadelphia transit junction where SEPTA’s subway–surface trolley lines emerge from the underground tunnel to continue on surface streets.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Market Street subway tunnel
subject surface form:
Green Line (SEPTA)
this entity surface form:
36th Street Portal
subject surface form:
Green Line (SEPTA)