Triple
T23390477
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Furka Cogwheel Steam Railway |
E594001
|
entity |
| Predicate | nativeName |
P15
|
FINISHED |
| Object | Dampfbahn Furka-Bergstrecke |
—
|
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: Dampfbahn Furka-Bergstrecke | Statement: [Furka Cogwheel Steam Railway, nativeName, Dampfbahn Furka-Bergstrecke]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dampfbahn Furka-Bergstrecke Context triple: [Furka Cogwheel Steam Railway, nativeName, Dampfbahn Furka-Bergstrecke]
-
A.
Furka–Oberalp line
The Furka–Oberalp line is a historic Swiss metre-gauge mountain railway crossing the Alps between the cantons of Valais, Uri, and Graubünden, renowned for its steep gradients, scenic vistas, and partial operation as a heritage steam railway.
-
B.
Furka Oberalp railway
The Furka Oberalp railway is a historic Swiss narrow-gauge mountain railway renowned for its spectacular alpine scenery and steep, winding route through the central Swiss Alps.
-
C.
Brünig railway line
The Brünig railway line is a scenic Swiss metre-gauge rail route operated by Zentralbahn that connects Lucerne and Interlaken across the Alps.
-
D.
Allgäu Railway
The Allgäu Railway is a major railway line in southern Germany that connects Bavarian towns and cities through the scenic Allgäu region near the Alps.
-
E.
Vitznau–Rigi railway
The Vitznau–Rigi railway is a historic Swiss mountain rack railway that climbs from the shores of Lake Lucerne up Mount Rigi, renowned as one of the world’s earliest cogwheel railways and a popular tourist attraction.
- 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: Dampfbahn Furka-Bergstrecke Target entity description: Dampfbahn Furka-Bergstrecke is a historic Swiss heritage railway that operates restored steam-powered cogwheel trains over the scenic high-altitude Furka Pass route in the Alps.
-
A.
Furka–Oberalp line
The Furka–Oberalp line is a historic Swiss metre-gauge mountain railway crossing the Alps between the cantons of Valais, Uri, and Graubünden, renowned for its steep gradients, scenic vistas, and partial operation as a heritage steam railway.
-
B.
Furka Oberalp railway
The Furka Oberalp railway is a historic Swiss narrow-gauge mountain railway renowned for its spectacular alpine scenery and steep, winding route through the central Swiss Alps.
-
C.
Brünig railway line
The Brünig railway line is a scenic Swiss metre-gauge rail route operated by Zentralbahn that connects Lucerne and Interlaken across the Alps.
-
D.
Allgäu Railway
The Allgäu Railway is a major railway line in southern Germany that connects Bavarian towns and cities through the scenic Allgäu region near the Alps.
-
E.
Vitznau–Rigi railway
The Vitznau–Rigi railway is a historic Swiss mountain rack railway that climbs from the shores of Lake Lucerne up Mount Rigi, renowned as one of the world’s earliest cogwheel railways and a popular tourist attraction.
- 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_69e25d2754fc819085deea939bde60ab |
completed | April 17, 2026, 4:17 p.m. |
| NER | Named-entity recognition | batch_69f1a49bdfec8190afa592c66660c279 |
completed | April 29, 2026, 6:26 a.m. |
Created at: April 17, 2026, 5:35 p.m.