Triple
T19151369
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lower Station |
E468814
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Duquesne Incline, Inc. |
E105983
|
NE FINISHED |
How this triple was built (2 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 Incline, Inc. | Statement: [Lower Station, operator, Duquesne Incline, Inc.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Duquesne Incline, Inc. Context triple: [Lower Station, operator, Duquesne Incline, Inc.]
-
A.
Duquesne Incline
chosen
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.
-
B.
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.
-
C.
Pittsburgh Railways
Pittsburgh Railways was a major streetcar and public transit operator in Pittsburgh, Pennsylvania, known for running one of the largest PCC streetcar fleets in the United States.
-
D.
Johnstown Traction Company
Johnstown Traction Company was a streetcar and later bus transit operator that served the Johnstown, Pennsylvania area during the first half of the 20th century.
-
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.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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. |
| NED1 | Entity disambiguation (via context triple) | batch_6a06f25476488190aa7dd874a54ecb91 |
completed | May 15, 2026, 10:15 a.m. |
Created at: April 10, 2026, 12:06 p.m.