Triple
T19151417
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Monongahela Incline |
E468815
|
entity |
| Predicate | hasLowerStation |
P75180
|
FINISHED |
| Object | Monongahela Incline Lower 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 Lower Station | Statement: [Monongahela Incline, hasLowerStation, Monongahela Incline Lower Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Monongahela Incline Lower Station Context triple: [Monongahela Incline, hasLowerStation, Monongahela Incline Lower 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.
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.
-
E.
Swissvale railroad station
Swissvale railroad station was a former passenger rail station that served as a key transportation hub for the borough of Swissvale, Pennsylvania.
- 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 Lower Station Target entity description: Monongahela Incline Lower Station is the river-level terminal of Pittsburgh’s historic Monongahela Incline funicular, serving as its boarding point near Station Square.
-
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.
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.
-
E.
Swissvale railroad station
Swissvale railroad station was a former passenger rail station that served as a key transportation hub for the borough of Swissvale, Pennsylvania.
- 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.