Triple
T22827812
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Furka Oberalp Railway |
E565707
|
entity |
| Predicate | replacedByBaseTunnelOnSection |
P72139
|
FINISHED |
| Object | Furka summit line |
—
|
NE NERFINISHED |
How this triple was built (4 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 summit line | Statement: [Furka Oberalp Railway, replacedByBaseTunnelOnSection, Furka summit line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Furka summit line Context triple: [Furka Oberalp Railway, replacedByBaseTunnelOnSection, Furka summit line]
-
A.
Furka Pass
Furka Pass is a high mountain road pass in the Swiss Alps, known for its dramatic hairpin bends, panoramic views, and proximity to the Rhône Glacier.
-
B.
Yabitsu Pass
Yabitsu Pass is a popular mountain pass and hiking gateway in Japan’s Tanzawa Mountains, known for its scenic routes and access to nearby peaks.
-
C.
Iseran Pass
Iseran Pass is a high mountain pass in the French Alps, known as one of the highest paved roads in Europe and a frequent feature of the Tour de France.
-
D.
Usui Pass
Usui Pass is a historic and steep mountain pass in central Japan, long known as a challenging railway and road route linking Gunma and Nagano Prefectures.
-
E.
Gokyo Ri
Gokyo Ri is a popular trekking peak in Nepal’s Everest region, known for its panoramic views of Mount Everest, surrounding Himalayan giants, and the turquoise Gokyo Lakes.
- 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: Furka summit line Target entity description: The Furka summit line is a high-altitude Swiss mountain railway route, now largely operated as a heritage line, that traverses the Furka Pass with dramatic alpine scenery and historic infrastructure.
-
A.
Furka Pass
chosen
Furka Pass is a high mountain road pass in the Swiss Alps, known for its dramatic hairpin bends, panoramic views, and proximity to the Rhône Glacier.
-
B.
Yabitsu Pass
Yabitsu Pass is a popular mountain pass and hiking gateway in Japan’s Tanzawa Mountains, known for its scenic routes and access to nearby peaks.
-
C.
Iseran Pass
Iseran Pass is a high mountain pass in the French Alps, known as one of the highest paved roads in Europe and a frequent feature of the Tour de France.
-
D.
Usui Pass
Usui Pass is a historic and steep mountain pass in central Japan, long known as a challenging railway and road route linking Gunma and Nagano Prefectures.
-
E.
Gokyo Ri
Gokyo Ri is a popular trekking peak in Nepal’s Everest region, known for its panoramic views of Mount Everest, surrounding Himalayan giants, and the turquoise Gokyo Lakes.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: replacedByBaseTunnelOnSection Context triple: [Furka Oberalp Railway, replacedByBaseTunnelOnSection, Furka summit line]
-
A.
operatorOfTunnelSection
Indicates that an entity is responsible for operating or managing a specific section of a tunnel.
-
B.
openedTunnelReplacementFor
chosen
Indicates that one tunnel has been opened specifically to serve as a replacement for another tunnel.
-
C.
hasTunnelSections
Indicates that an entity includes or is composed of multiple distinct tunnel segments or portions.
-
D.
isOriginalTunnelOf
Indicates that one tunnel is the initial or primary tunnel from which another tunnel is derived, duplicated, or modified.
-
E.
tunnelLocation
Indicates that one entity is the location or site where a tunnel is situated or passes through in relation to another entity.
- F. None of above.
Provenance (3 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. |
| PD | Predicate disambiguation | batch_69eed2d117088190acbfe130d84f8627 |
completed | April 27, 2026, 3:06 a.m. |
Created at: April 17, 2026, 3:34 p.m.