Triple
T19449987
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fell centre rail system |
E486590
|
entity |
| Predicate | usedOn |
P2367
|
FINISHED |
| Object | Mont Cenis Pass Railway |
—
|
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: Mont Cenis Pass Railway | Statement: [Fell centre rail system, usedOn, Mont Cenis Pass Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mont Cenis Pass Railway Context triple: [Fell centre rail system, usedOn, Mont Cenis Pass Railway]
-
A.
Montenvers Railway
Montenvers Railway is a historic mountain rack railway in the French Alps that carries passengers from Chamonix up to the Mer de Glace glacier.
-
B.
Bernina railway line
The Bernina railway line is a scenic Swiss mountain railway and UNESCO World Heritage site renowned for its dramatic alpine landscapes and panoramic train journeys between Switzerland and Italy.
-
C.
Jura Foot Railway
The Jura Foot Railway is a major Swiss rail line running along the southern foothills of the Jura Mountains, connecting key cities and towns in the western part of the country.
-
D.
Centovalli railway
The Centovalli railway is a scenic narrow-gauge rail line connecting Domodossola in Italy with Locarno in Switzerland through the picturesque “Hundred Valleys” region.
-
E.
Monte Generoso Railway
The Monte Generoso Railway is a historic rack railway in southern Switzerland that climbs from the lakeside to the summit of Monte Generoso, offering scenic alpine views.
- 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: Mont Cenis Pass Railway Target entity description: The Mont Cenis Pass Railway was a 19th-century temporary mountain railway over the Alps between France and Italy, notable as an early steep-gradient line that briefly provided a key transalpine route before the opening of the Mont Cenis Tunnel.
-
A.
Montenvers Railway
Montenvers Railway is a historic mountain rack railway in the French Alps that carries passengers from Chamonix up to the Mer de Glace glacier.
-
B.
Bernina railway line
The Bernina railway line is a scenic Swiss mountain railway and UNESCO World Heritage site renowned for its dramatic alpine landscapes and panoramic train journeys between Switzerland and Italy.
-
C.
Jura Foot Railway
The Jura Foot Railway is a major Swiss rail line running along the southern foothills of the Jura Mountains, connecting key cities and towns in the western part of the country.
-
D.
Centovalli railway
The Centovalli railway is a scenic narrow-gauge rail line connecting Domodossola in Italy with Locarno in Switzerland through the picturesque “Hundred Valleys” region.
-
E.
Monte Generoso Railway
The Monte Generoso Railway is a historic rack railway in southern Switzerland that climbs from the lakeside to the summit of Monte Generoso, offering scenic alpine views.
- 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_69d8e8d7ad488190a3373045029b0f3b |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e6338caeb48190aeb1d511996984e3 |
completed | April 20, 2026, 2:09 p.m. |
Created at: April 10, 2026, 1:38 p.m.