Triple
T22827801
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Furka Oberalp Railway |
E565707
|
entity |
| Predicate | formerOperator |
P179
|
FINISHED |
| Object | Furka Oberalp Bahn |
—
|
NE NERFINISHED |
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: Furka Oberalp Bahn | Statement: [Furka Oberalp Railway, formerOperator, Furka Oberalp Bahn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Furka Oberalp Bahn Context triple: [Furka Oberalp Railway, formerOperator, Furka Oberalp Bahn]
-
A.
Furka Oberalp railway
chosen
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.
-
B.
Wengernalp Railway
The Wengernalp Railway is a historic Swiss rack railway in the Bernese Oberland that climbs from the Lauterbrunnen and Grindelwald valleys up to Kleine Scheidegg beneath the Eiger, Mönch, and Jungfrau.
-
C.
Albula Railway
The Albula Railway is a renowned Swiss mountain railway line celebrated for its spectacular alpine scenery, spiral tunnels, and status as a UNESCO World Heritage Site.
-
D.
Gornergrat Railway
The Gornergrat Railway is a historic cogwheel mountain railway in Switzerland that carries passengers from Zermatt up to the Gornergrat ridge, offering panoramic views of the Matterhorn and surrounding Alpine glaciers.
-
E.
Brienz Rothorn Railway
The Brienz Rothorn Railway is a historic Swiss steam-powered rack railway that climbs from the village of Brienz to the summit of the Brienzer Rothorn, offering panoramic views of the surrounding Alps and Lake Brienz.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e24585ab1c81909b2b5065d15805d5 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17e2914188190be6cdbd8167cd806 |
completed | April 29, 2026, 3:42 a.m. |
Created at: April 17, 2026, 3:34 p.m.