Triple

T21487839
Position Surface form Disambiguated ID Type / Status
Subject Gotthard Road Tunnel E530158 entity
Predicate hasNearbyStructure P231 FINISHED
Object Gotthard railway tunnels
The Gotthard railway tunnels are major trans-Alpine rail tunnels in Switzerland, including the historic Gotthard Tunnel and the modern Gotthard Base Tunnel, which is one of the longest and deepest railway tunnels in the world.
E452986 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: Gotthard railway tunnels | Statement: [Gotthard Road Tunnel, hasNearbyStructure, Gotthard railway tunnels]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Gotthard railway tunnels
Context triple: [Gotthard Road Tunnel, hasNearbyStructure, Gotthard railway tunnels]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Ceneri Base Tunnel
    The Ceneri Base Tunnel is a major Swiss railway tunnel through the Ceneri massif that forms a key part of the New Railway Link through the Alps, improving north–south transit between central Switzerland and the canton of Ticino.
  • 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: Gotthard railway tunnels
Triple: [Gotthard Road Tunnel, hasNearbyStructure, Gotthard railway tunnels]
Generated description
The Gotthard railway tunnels are major trans-Alpine rail tunnels in Switzerland, including the historic Gotthard Tunnel and the modern Gotthard Base Tunnel, which is one of the longest and deepest railway tunnels in the world.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Gotthard railway tunnels
Target entity description: The Gotthard railway tunnels are major trans-Alpine rail tunnels in Switzerland, including the historic Gotthard Tunnel and the modern Gotthard Base Tunnel, which is one of the longest and deepest railway tunnels in the world.
  • A. Gotthard Base Tunnel chosen
    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.
  • B. 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.
  • C. 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.
  • D. Ceneri Base Tunnel
    The Ceneri Base Tunnel is a major Swiss railway tunnel through the Ceneri massif that forms a key part of the New Railway Link through the Alps, improving north–south transit between central Switzerland and the canton of Ticino.
  • 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.

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_69e0c45acc3881908e38d3f28964152b completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69e9ea390bd88190bc444e6af275f6e8 completed April 23, 2026, 9:45 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09eecfd06081908d0bbed7a21e89c1 completed May 17, 2026, 4:37 p.m.
NEDg Description generation batch_6a09ef8209c48190a5c591f0cc7e601f completed May 17, 2026, 4:40 p.m.
NED2 Entity disambiguation (via description) batch_6a09eff8ee408190a0ed72fe19bfcee2 completed May 17, 2026, 4:42 p.m.
Created at: April 16, 2026, 6:22 p.m.