Triple
T20910220
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Genoa public transport network |
E514918
|
entity |
| Predicate | hasFunicular |
P43180
|
FINISHED |
| Object | Principe–Granarolo rack 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: Principe–Granarolo rack railway | Statement: [Genoa public transport network, hasFunicular, Principe–Granarolo rack railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Principe–Granarolo rack railway Context triple: [Genoa public transport network, hasFunicular, Principe–Granarolo rack railway]
-
A.
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.
-
B.
Milan–Arona railway
The Milan–Arona railway is a key rail line in northern Italy that connects Milan with the town of Arona near Lake Maggiore, serving both regional and commuter traffic.
-
C.
Val Venosta railway
The Val Venosta railway is a regional rail line in South Tyrol, northern Italy, connecting Merano with Malles through the Val Venosta valley and serving as an important local transport route and tourist attraction.
-
D.
Tarentaise railway line
The Tarentaise railway line is a French alpine rail route in the Savoie region that serves ski resorts in the Tarentaise Valley and ends at Bourg-Saint-Maurice.
-
E.
Mont Cenis Pass Railway
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.
- 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: Principe–Granarolo rack railway Target entity description: The Principe–Granarolo rack railway is a historic hillside railway line in Genoa, Italy, that connects the lower city with the elevated Granarolo district using a rack-and-pinion system.
-
A.
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.
-
B.
Milan–Arona railway
The Milan–Arona railway is a key rail line in northern Italy that connects Milan with the town of Arona near Lake Maggiore, serving both regional and commuter traffic.
-
C.
Val Venosta railway
The Val Venosta railway is a regional rail line in South Tyrol, northern Italy, connecting Merano with Malles through the Val Venosta valley and serving as an important local transport route and tourist attraction.
-
D.
Tarentaise railway line
The Tarentaise railway line is a French alpine rail route in the Savoie region that serves ski resorts in the Tarentaise Valley and ends at Bourg-Saint-Maurice.
-
E.
Mont Cenis Pass Railway
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.
- 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_69e0b4f8a1108190bce3d31331290ced |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6ec5d73c88190a48180a1eed88190 |
completed | April 21, 2026, 3:17 a.m. |
Created at: April 16, 2026, 12:48 p.m.