Triple Underpass
E4696
The Triple Underpass is a three-arched railroad bridge and roadway underpass in downtown Dallas, Texas, historically known as a key landmark at the western edge of Dealey Plaza.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Triple Underpass canonical | 1 |
| Triple Underpass (Dallas) | 1 |
| Triple Underpass Bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T65034 — 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: Triple Underpass Context triple: [Dealey Plaza, hasPart, Triple Underpass]
-
A.
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.
-
B.
Memorial Bridge
Memorial Bridge is a prominent ceremonial bridge spanning the Potomac River, symbolically linking Arlington National Cemetery with the Lincoln Memorial in Washington, D.C.
-
C.
Key Bridge
Key Bridge is a historic steel-arch bridge spanning the Potomac River, connecting Washington, D.C. to Arlington, Virginia.
-
D.
Conley Terminal
Conley Terminal is the primary container shipping facility serving the Port of Boston and New England’s maritime trade.
-
E.
Tioga Pass
Tioga Pass is a high mountain pass in California’s Sierra Nevada, best known as the eastern entrance to Yosemite National Park and one of the highest paved roads in the state.
- 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: Triple Underpass Target entity description: The Triple Underpass is a three-arched railroad bridge and roadway underpass in downtown Dallas, Texas, historically known as a key landmark at the western edge of Dealey Plaza.
-
A.
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.
-
B.
Memorial Bridge
Memorial Bridge is a prominent ceremonial bridge spanning the Potomac River, symbolically linking Arlington National Cemetery with the Lincoln Memorial in Washington, D.C.
-
C.
Key Bridge
Key Bridge is a historic steel-arch bridge spanning the Potomac River, connecting Washington, D.C. to Arlington, Virginia.
-
D.
Conley Terminal
Conley Terminal is the primary container shipping facility serving the Port of Boston and New England’s maritime trade.
-
E.
Tioga Pass
Tioga Pass is a high mountain pass in California’s Sierra Nevada, best known as the eastern entrance to Yosemite National Park and one of the highest paved roads in the state.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
railroad bridge
ⓘ
roadway underpass ⓘ transport infrastructure ⓘ |
| adjacentTo | Grassy Knoll ⓘ |
| alsoKnownAs |
Triple Underpass
ⓘ
surface form:
Triple Underpass Bridge
|
| carries | multiple railroad tracks ⓘ |
| city |
Dallas, Texas
ⓘ
surface form:
Dallas
|
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses |
Commerce Street
ⓘ
Elm Street ⓘ Main Street ⓘ |
| hasDesign | three-arched underpass ⓘ |
| hasNumberOfArches | 3 ⓘ |
| hasViewOf |
Dealey Plaza
ⓘ
Downtown Dallas skyline ⓘ |
| heritageStatus | contributing structure to a historic district ⓘ |
| locatedAt | western edge of Dealey Plaza ⓘ |
| locatedIn | Downtown Dallas ⓘ |
| location |
Dallas, Texas
ⓘ
United States of America ⓘ
surface form:
United States
|
| material | concrete ⓘ |
| near | Texas School Book Depository ⓘ |
| notableFor | association with the assassination of John F. Kennedy ⓘ |
| openedForTraffic | 20th century ⓘ |
| ownedBy |
Dallas, Texas
ⓘ
surface form:
City of Dallas
|
| partOf |
Dealey Plaza
ⓘ
surface form:
Dealey Plaza Historic District
|
| significance | key landmark associated with Dealey Plaza ⓘ |
| state | Texas ⓘ |
| usedFor |
railroad traffic
ⓘ
vehicular traffic ⓘ |
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: Triple Underpass Description of subject: The Triple Underpass is a three-arched railroad bridge and roadway underpass in downtown Dallas, Texas, historically known as a key landmark at the western edge of Dealey Plaza.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Triple Underpass Bridge
subject surface form:
Houston Street (Dallas)
this entity surface form:
Triple Underpass (Dallas)