Triple
T20689528
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Jungfrau Railway tunnel |
E508511
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Jungfraubahn AG |
—
|
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: Jungfraubahn AG | Statement: [Jungfrau Railway tunnel, operator, Jungfraubahn AG]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Jungfraubahn AG Context triple: [Jungfrau Railway tunnel, operator, Jungfraubahn AG]
-
A.
Jungfraubahn Holding AG
chosen
Jungfraubahn Holding AG is a Swiss railway company best known for operating the Jungfrau Railway, which runs to the high-altitude tourist destination of Jungfraujoch in the Bernese Alps.
-
B.
Wengernalpbahn AG
Wengernalpbahn AG is the Swiss railway company that operates the historic Wengernalp Railway in the Bernese Oberland region.
-
C.
Berner Oberland-Bahnen AG
Berner Oberland-Bahnen AG is a Swiss railway company that operates regional and tourist rail services in the Bernese Oberland region, including routes to popular alpine destinations.
-
D.
AlpTransit Gotthard AG
AlpTransit Gotthard AG is a Swiss project company responsible for planning and constructing major transalpine railway base tunnels, including key segments of the New Railway Link through the Alps.
-
E.
Uetlibergbahn-Gesellschaft
Uetlibergbahn-Gesellschaft was the original private railway company that built and operated the Uetliberg mountain railway line near Zurich, Switzerland.
- 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_69e0b4c1ed408190b72dd26b1e33f8a1 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6c10cb5588190acb88f2c82fc593a |
completed | April 21, 2026, 12:13 a.m. |
Created at: April 16, 2026, 12:05 p.m.