Triple
T21307601
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lausanne–Brig railway line |
E525239
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Simplon Tunnel at Brig |
—
|
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: Simplon Tunnel at Brig | Statement: [Lausanne–Brig railway line, connectsTo, Simplon Tunnel at Brig]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Simplon Tunnel at Brig Context triple: [Lausanne–Brig railway line, connectsTo, Simplon Tunnel at Brig]
-
A.
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."
-
B.
Lötschberg Pass
Lötschberg Pass is a high mountain pass in the Swiss Alps that historically served as an important north–south transit route between the cantons of Bern and Valais.
-
C.
Gotthard Pass
Gotthard Pass is a major Alpine mountain pass in Switzerland that has long served as a key north–south transit route through the central Alps.
-
D.
Gotthard Rail Tunnel (northern portal)
The Gotthard Rail Tunnel (northern portal) is the northern entrance of the historic Alpine railway tunnel that carries trains beneath the Gotthard massif in central Switzerland.
-
E.
Lötschberg Tunnel
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.
- 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: Simplon Tunnel at Brig Target entity description: The Simplon Tunnel at Brig is the northern portal of the historic Alpine rail tunnel linking Switzerland and Italy, serving as a key transalpine route for international passenger and freight trains.
-
A.
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."
-
B.
Lötschberg Pass
Lötschberg Pass is a high mountain pass in the Swiss Alps that historically served as an important north–south transit route between the cantons of Bern and Valais.
-
C.
Gotthard Pass
Gotthard Pass is a major Alpine mountain pass in Switzerland that has long served as a key north–south transit route through the central Alps.
-
D.
Gotthard Rail Tunnel (northern portal)
The Gotthard Rail Tunnel (northern portal) is the northern entrance of the historic Alpine railway tunnel that carries trains beneath the Gotthard massif in central Switzerland.
-
E.
Lötschberg Tunnel
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.
- 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_69e0b518b8948190ad69cf9a8784d397 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e75aa7b2f08190bea46f0107bcc045 |
completed | April 21, 2026, 11:08 a.m. |
Created at: April 16, 2026, 4:05 p.m.