Triple

T17591271
Position Surface form Disambiguated ID Type / Status
Subject Zentralbahn E428452 entity
Predicate ownsRailwayLine P128129 FINISHED
Object Brünig line NE NERFINISHED

How this triple was built (3 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: Brünig line | Statement: [Zentralbahn, ownsRailwayLine, Brünig line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brünig line
Context triple: [Zentralbahn, ownsRailwayLine, Brünig line]
  • A. Brünig railway line chosen
    The Brünig railway line is a scenic Swiss metre-gauge rail route operated by Zentralbahn that connects Lucerne and Interlaken across the Alps.
  • B. Furka–Oberalp line
    The Furka–Oberalp line is a historic Swiss metre-gauge mountain railway crossing the Alps between the cantons of Valais, Uri, and Graubünden, renowned for its steep gradients, scenic vistas, and partial operation as a heritage steam railway.
  • C. Engadin line
    The Engadin line is a scenic metre-gauge railway route in Switzerland’s canton of Graubünden that runs through the Engadin valley as part of the Rhaetian Railway network.
  • 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. Jura-Simplon-Bahn
    The Jura-Simplon-Bahn was a major 19th-century Swiss railway company that operated key routes in western Switzerland and through the Alps before being absorbed into the national rail system.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: ownsRailwayLine
Context triple: [Zentralbahn, ownsRailwayLine, Brünig line]
  • A. railwayLine
    Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
  • B. usesRailInfrastructureOf
    Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
  • C. formerRailwayLine
    Indicates that a railway line previously existed in the past but is no longer in operation or has been decommissioned.
  • D. operatesRailLinesOnIsland
    Indicates that a railway operator runs or manages rail lines located on a specific island.
  • E. hasRailRoute
    Indicates that there exists a rail-based transportation route or connection between the related entities.
  • F. None of above. chosen

Provenance (4 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_69d889e1030481909950e140c63255b9 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e469e6e3888190b73a5b6d7e8c0a55 completed April 19, 2026, 5:36 a.m.
PD Predicate disambiguation batch_69e3b4fff0348190b899a32da537eaca completed April 18, 2026, 4:44 p.m.
PDg Predicate description generation batch_69e3bbb50b448190a59dd4be33c76db7 completed April 18, 2026, 5:13 p.m.
Created at: April 10, 2026, 5:51 a.m.