Triple
T11302520
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Jim Thorpe, Pennsylvania |
E267628
|
entity |
| Predicate | hasHistoricFeature |
P182
|
FINISHED |
| Object |
Switchback Gravity Railroad
The Switchback Gravity Railroad was one of the earliest roller-coaster-like gravity railways in the United States, originally built in the 19th century to transport coal and later famed as a pioneering tourist attraction.
|
E917978
|
NE FINISHED |
How this triple was built (4 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: Switchback Gravity Railroad | Statement: [Jim Thorpe, Pennsylvania, hasHistoricFeature, Switchback Gravity Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Switchback Gravity Railroad Context triple: [Jim Thorpe, Pennsylvania, hasHistoricFeature, Switchback Gravity Railroad]
-
A.
Skunk Train
The Skunk Train is a historic scenic railroad in Northern California that offers passenger excursions through the redwood forests between Fort Bragg and Willits.
-
B.
Rock Rail
Rock Rail is a UK-based rolling stock leasing company that finances and owns modern passenger train fleets for operation on the British rail network.
-
C.
This Train
"This Train" is a traditional American gospel song popularized by Sister Rosetta Tharpe, celebrated for its driving rhythm and moralistic lyrics about a righteous journey to salvation.
-
D.
This Train
"This Train" is a song by reggae artist International Herb, likely reflecting his roots-influenced style and themes.
-
E.
Rebel Railroad
Rebel Railroad was a small Civil War–themed tourist railroad in Pigeon Forge, Tennessee, that later evolved into what is now the Dollywood theme park.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Switchback Gravity Railroad Triple: [Jim Thorpe, Pennsylvania, hasHistoricFeature, Switchback Gravity Railroad]
Generated description
The Switchback Gravity Railroad was one of the earliest roller-coaster-like gravity railways in the United States, originally built in the 19th century to transport coal and later famed as a pioneering tourist attraction.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Switchback Gravity Railroad Target entity description: The Switchback Gravity Railroad was one of the earliest roller-coaster-like gravity railways in the United States, originally built in the 19th century to transport coal and later famed as a pioneering tourist attraction.
-
A.
Skunk Train
The Skunk Train is a historic scenic railroad in Northern California that offers passenger excursions through the redwood forests between Fort Bragg and Willits.
-
B.
Rock Rail
Rock Rail is a UK-based rolling stock leasing company that finances and owns modern passenger train fleets for operation on the British rail network.
-
C.
This Train
"This Train" is a traditional American gospel song popularized by Sister Rosetta Tharpe, celebrated for its driving rhythm and moralistic lyrics about a righteous journey to salvation.
-
D.
This Train
"This Train" is a song by reggae artist International Herb, likely reflecting his roots-influenced style and themes.
-
E.
Rebel Railroad
Rebel Railroad was a small Civil War–themed tourist railroad in Pigeon Forge, Tennessee, that later evolved into what is now the Dollywood theme park.
- F. None of above. chosen
Provenance (5 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_69d6aac993a08190a6f36445ebaf9a43 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e9a5c3788190ba54eda514b97903 |
completed | April 9, 2026, 6:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e50a4af56881908cc395b6687d40a9 |
completed | April 19, 2026, 5 p.m. |
| NEDg | Description generation | batch_69e510f9edb4819097e9fa1ce85504ed |
completed | April 19, 2026, 5:29 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e516ac8dec81909c9c1eece372189e |
completed | April 19, 2026, 5:53 p.m. |
Created at: April 8, 2026, 9:32 p.m.