Triple
T23359087
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Arlberg Pass |
E593133
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Arlberg Railway Tunnel
The Arlberg Railway Tunnel is a major Alpine rail tunnel in Austria that carries trains beneath the Arlberg massif, providing a key east–west transit route through the mountains.
|
E1582613
|
NE FINISHED |
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: Arlberg Railway Tunnel | Statement: [Arlberg Pass, hasStructure, Arlberg Railway Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Arlberg Railway Tunnel Context triple: [Arlberg Pass, hasStructure, Arlberg Railway Tunnel]
-
A.
Gotthard Road Tunnel
The Gotthard Road Tunnel is a major Swiss Alpine tunnel and one of Europe’s key north–south road links, carrying traffic beneath the Saint-Gotthard Massif.
-
B.
Gotthard Base Tunnel
The Gotthard Base Tunnel is a 57-kilometer railway tunnel beneath the Swiss Alps, renowned as one of the world’s longest and deepest traffic tunnels, designed to improve high-speed rail connectivity across Europe.
-
C.
Furka Base Tunnel
The Furka Base Tunnel is a long railway tunnel in the Swiss Alps that provides an all-weather, low-level route beneath the Furka Pass, improving connectivity and reliability on the Matterhorn Gotthard Bahn line.
-
D.
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.
-
E.
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."
- 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: Arlberg Railway Tunnel Triple: [Arlberg Pass, hasStructure, Arlberg Railway Tunnel]
Generated description
The Arlberg Railway Tunnel is a major Alpine rail tunnel in Austria that carries trains beneath the Arlberg massif, providing a key east–west transit route through the mountains.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Arlberg Railway Tunnel Target entity description: The Arlberg Railway Tunnel is a major Alpine rail tunnel in Austria that carries trains beneath the Arlberg massif, providing a key east–west transit route through the mountains.
-
A.
Gotthard Road Tunnel
The Gotthard Road Tunnel is a major Swiss Alpine tunnel and one of Europe’s key north–south road links, carrying traffic beneath the Saint-Gotthard Massif.
-
B.
Gotthard Base Tunnel
The Gotthard Base Tunnel is a 57-kilometer railway tunnel beneath the Swiss Alps, renowned as one of the world’s longest and deepest traffic tunnels, designed to improve high-speed rail connectivity across Europe.
-
C.
Furka Base Tunnel
The Furka Base Tunnel is a long railway tunnel in the Swiss Alps that provides an all-weather, low-level route beneath the Furka Pass, improving connectivity and reliability on the Matterhorn Gotthard Bahn line.
-
D.
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.
-
E.
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."
- F. None of above. chosen
Provenance (5 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_69e25d24d2a4819092e6ede74c2a918d |
completed | April 17, 2026, 4:17 p.m. |
| NER | Named-entity recognition | batch_69f19a1a39988190b4b4993b80d5a5f6 |
completed | April 29, 2026, 5:41 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0c5dd385948190940cf5b878e54002 |
completed | May 19, 2026, 12:55 p.m. |
| NEDg | Description generation | batch_6a0c5fa0ae848190a23b0c8c16345c26 |
completed | May 19, 2026, 1:03 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0c604cc84c8190946e2a35e0f736ce |
completed | May 19, 2026, 1:06 p.m. |
Created at: April 17, 2026, 5:29 p.m.