Triple
T5250439
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Eiger |
E118572
|
entity |
| Predicate | hasRailwayTunnel |
P61738
|
FINISHED |
| Object |
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."
|
E508511
|
NE FINISHED |
How this triple was built (5 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: Jungfrau Railway tunnel | Statement: [Eiger, hasRailwayTunnel, Jungfrau Railway tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Jungfrau Railway tunnel Context triple: [Eiger, hasRailwayTunnel, Jungfrau Railway tunnel]
-
A.
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.
-
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.
Simplon Tunnel
The Simplon Tunnel is a major railway tunnel beneath the Alps connecting Switzerland and Italy, historically significant as one of the longest and most important transalpine rail routes.
-
D.
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.
-
E.
Great St Bernard Tunnel
The Great St Bernard Tunnel is a major road tunnel through the Alps that provides a year-round transalpine route between Switzerland and Italy beneath the Great St Bernard Pass.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Jungfrau Railway tunnel Triple: [Eiger, hasRailwayTunnel, Jungfrau Railway tunnel]
Generated description
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."
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Jungfrau Railway tunnel Target entity description: 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."
-
A.
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.
-
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.
Simplon Tunnel
The Simplon Tunnel is a major railway tunnel beneath the Alps connecting Switzerland and Italy, historically significant as one of the longest and most important transalpine rail routes.
-
D.
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.
-
E.
Great St Bernard Tunnel
The Great St Bernard Tunnel is a major road tunnel through the Alps that provides a year-round transalpine route between Switzerland and Italy beneath the Great St Bernard Pass.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasRailwayTunnel Context triple: [Eiger, hasRailwayTunnel, Jungfrau Railway tunnel]
-
A.
hasSubseaTunnel
Indicates that one location or structure is connected to another by an underwater tunnel.
-
B.
SeikanTunnelType
Indicates that one entity is classified as a specific type or category of Seikan Tunnel.
-
C.
numberOfMajorTunnels
Indicates the count of primary or significant tunnels associated with an entity.
-
D.
partOfTunnel
Indicates that one entity forms a physical segment or component within the structure or extent of a tunnel.
-
E.
railTunnelOpeningYear
Indicates the calendar year in which a rail tunnel was officially opened for use.
- F. None of above. chosen
Provenance (7 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_69bd4468aacc8190a8196f71855cdf4f |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd7b79ae0c81908a9b8614f6886259 |
completed | March 20, 2026, 4:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf06bc1c0c8190abc1e24f99621e49 |
completed | March 21, 2026, 8:59 p.m. |
| NEDg | Description generation | batch_69bf098637148190ab999486de995ee4 |
completed | March 21, 2026, 9:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf0a1675b8819084024aa2a99ec843 |
completed | March 21, 2026, 9:13 p.m. |
| PD | Predicate disambiguation | batch_69bd77c30bac8190a883ca45da35d667 |
completed | March 20, 2026, 4:37 p.m. |
| PDg | Predicate description generation | batch_69bd787975788190848ffbac87896efe |
completed | March 20, 2026, 4:40 p.m. |
Created at: March 20, 2026, 1:50 p.m.