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.