Triple
T21547246
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Duquesne |
E531656
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object | Duquesne Bridge (road bridge over Monongahela River vicinity) |
—
|
NE NERFINISHED |
How this triple was built (3 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Duquesne Bridge (road bridge over Monongahela River vicinity) | Statement: [Duquesne, hasBridge, Duquesne Bridge (road bridge over Monongahela River vicinity)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Duquesne Bridge (road bridge over Monongahela River vicinity) Context triple: [Duquesne, hasBridge, Duquesne Bridge (road bridge over Monongahela River vicinity)]
-
A.
Smithfield Street Bridge (Monongahela River)
Smithfield Street Bridge (Monongahela River) is a historic lenticular truss bridge in Pittsburgh, Pennsylvania, known as one of the oldest steel bridges in the United States and a National Historic Landmark.
-
B.
Panhandle Bridge at Pittsburgh
The Panhandle Bridge at Pittsburgh is a historic railroad bridge over the Monongahela River that once carried major Pennsylvania Railroad and successor passenger trains into downtown Pittsburgh.
-
C.
Girard Avenue Bridge over the Schuylkill River
The Girard Avenue Bridge over the Schuylkill River is a historic multi-span bridge in Philadelphia that carries Girard Avenue across the Schuylkill River, connecting the city’s Fairmount and West Philadelphia areas.
-
D.
Three Sisters (Pittsburgh bridges)
Three Sisters (Pittsburgh bridges) are a famous trio of nearly identical self-anchored suspension bridges spanning the Allegheny River in downtown Pittsburgh, known for their distinctive yellow color and historic architectural significance.
-
E.
Fort Duquesne Bridge
The Fort Duquesne Bridge is a major steel arch bridge in Pittsburgh, Pennsylvania, carrying vehicular traffic over the Allegheny River between downtown and the North Shore.
- 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: Duquesne Bridge (road bridge over Monongahela River vicinity) Target entity description: The Duquesne Bridge is a vehicular bridge spanning the Monongahela River near Duquesne, Pennsylvania, connecting local communities in the Pittsburgh metropolitan area.
-
A.
Smithfield Street Bridge (Monongahela River)
Smithfield Street Bridge (Monongahela River) is a historic lenticular truss bridge in Pittsburgh, Pennsylvania, known as one of the oldest steel bridges in the United States and a National Historic Landmark.
-
B.
Panhandle Bridge at Pittsburgh
The Panhandle Bridge at Pittsburgh is a historic railroad bridge over the Monongahela River that once carried major Pennsylvania Railroad and successor passenger trains into downtown Pittsburgh.
-
C.
Girard Avenue Bridge over the Schuylkill River
The Girard Avenue Bridge over the Schuylkill River is a historic multi-span bridge in Philadelphia that carries Girard Avenue across the Schuylkill River, connecting the city’s Fairmount and West Philadelphia areas.
-
D.
Three Sisters (Pittsburgh bridges)
Three Sisters (Pittsburgh bridges) are a famous trio of nearly identical self-anchored suspension bridges spanning the Allegheny River in downtown Pittsburgh, known for their distinctive yellow color and historic architectural significance.
-
E.
Fort Duquesne Bridge
The Fort Duquesne Bridge is a major steel arch bridge in Pittsburgh, Pennsylvania, carrying vehicular traffic over the Allegheny River between downtown and the North Shore.
- F. None of above. chosen
Provenance (2 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69e0c45f17148190949c330ab9c27706 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eeb58fb6608190a58cd00ecf560834 |
completed | April 27, 2026, 1:02 a.m. |
Created at: April 16, 2026, 6:28 p.m.