Triple
T20499429
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thun–Spiez railway line |
E503260
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Lötschberg Base Tunnel via Spiez |
—
|
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: Lötschberg Base Tunnel via Spiez | Statement: [Thun–Spiez railway line, connectsTo, Lötschberg Base Tunnel via Spiez]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lötschberg Base Tunnel via Spiez Context triple: [Thun–Spiez railway line, connectsTo, Lötschberg Base Tunnel via Spiez]
-
A.
Lötschberg Tunnel
chosen
The Lötschberg Tunnel is a major Swiss railway tunnel through the Bernese Alps that provides a key north–south transit route between the cantons of Bern and Valais.
-
B.
Jungfrau Railway tunnel
The Jungfrau Railway tunnel is a high-altitude railway passage through the Eiger in the Swiss Alps that carries trains up to the Jungfraujoch, often called the "Top of Europe."
-
C.
Albula Tunnel
The Albula Tunnel is a historic Swiss railway tunnel in the Alps, renowned for its engineering significance and role in the UNESCO-listed Albula/Bernina railway line.
-
D.
Gotthard railway line
The Gotthard railway line is a major trans-Alpine rail route in Switzerland, renowned for its historic tunnels and engineering feats connecting northern and southern Europe through the Swiss Alps.
-
E.
Lötschberg railway line
The Lötschberg railway line is a major Swiss Alpine rail route operated by BLS that connects the Bernese Oberland with the Valais through long tunnels and dramatic mountain scenery.
- 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_69e0b4b1e52c8190894281cf7e3283ab |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e69cc10cd08190915b6c29c6473f77 |
completed | April 20, 2026, 9:38 p.m. |
Created at: April 16, 2026, 11:35 a.m.