Triple
T19151416
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Monongahela Incline |
E468815
|
entity |
| Predicate | hasUpperStation |
P72892
|
FINISHED |
| Object | Monongahela Incline Upper Station |
—
|
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: Monongahela Incline Upper Station | Statement: [Monongahela Incline, hasUpperStation, Monongahela Incline Upper Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Monongahela Incline Upper Station Context triple: [Monongahela Incline, hasUpperStation, Monongahela Incline Upper Station]
-
A.
Monongahela Incline
The Monongahela Incline is a historic funicular railway in Pittsburgh, Pennsylvania, that carries passengers up and down Mount Washington and offers panoramic views of the city.
-
B.
Duquesne Incline
The Duquesne Incline is a historic funicular railway in Pittsburgh that carries passengers up Mount Washington, offering panoramic views of the city’s skyline and rivers.
-
C.
Union Station (Pittsburgh)
Union Station (Pittsburgh) is a historic Beaux-Arts railroad terminal in downtown Pittsburgh, renowned for its grand rotunda and role as a major early 20th-century transportation hub.
-
D.
Johnstown Inclined Plane
The Johnstown Inclined Plane is a historic funicular railway in Johnstown, Pennsylvania, known for its steep grade and role in transporting people and vehicles up the hillside above the city.
-
E.
Lookout Mountain upper station
Lookout Mountain upper station is the mountaintop terminal of Chattanooga’s historic Incline Railway, serving as an access point to scenic overlooks and attractions on Lookout Mountain.
- 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: Monongahela Incline Upper Station Target entity description: Monongahela Incline Upper Station is the hilltop terminal of Pittsburgh’s historic Monongahela Incline funicular, serving passengers at the upper end of the line on Mount Washington.
-
A.
Monongahela Incline
chosen
The Monongahela Incline is a historic funicular railway in Pittsburgh, Pennsylvania, that carries passengers up and down Mount Washington and offers panoramic views of the city.
-
B.
Duquesne Incline
The Duquesne Incline is a historic funicular railway in Pittsburgh that carries passengers up Mount Washington, offering panoramic views of the city’s skyline and rivers.
-
C.
Union Station (Pittsburgh)
Union Station (Pittsburgh) is a historic Beaux-Arts railroad terminal in downtown Pittsburgh, renowned for its grand rotunda and role as a major early 20th-century transportation hub.
-
D.
Johnstown Inclined Plane
The Johnstown Inclined Plane is a historic funicular railway in Johnstown, Pennsylvania, known for its steep grade and role in transporting people and vehicles up the hillside above the city.
-
E.
Lookout Mountain upper station
Lookout Mountain upper station is the mountaintop terminal of Chattanooga’s historic Incline Railway, serving as an access point to scenic overlooks and attractions on Lookout Mountain.
- F. None of above.
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_69d8dd084ff48190ac0f8c46ee722629 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5e97cfaa08190b7085d28fe970108 |
completed | April 20, 2026, 8:53 a.m. |
Created at: April 10, 2026, 12:06 p.m.