Triple

T22827813
Position Surface form Disambiguated ID Type / Status
Subject Furka Oberalp Railway E565707 entity
Predicate heritageSuccessorOnOldRoute P77695 FINISHED
Object Furka Cogwheel Steam Railway — 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: Furka Cogwheel Steam Railway | Statement: [Furka Oberalp Railway, heritageSuccessorOnOldRoute, Furka Cogwheel Steam Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Furka Cogwheel Steam Railway
Context triple: [Furka Oberalp Railway, heritageSuccessorOnOldRoute, Furka Cogwheel Steam Railway]
  • A. Furka Cogwheel Steam Railway chosen
    The Furka Cogwheel Steam Railway is a historic Swiss mountain railway operated with vintage steam locomotives, offering scenic journeys over the Furka Pass between Realp and Oberwald.
  • B. Mangfall Valley Railway
    The Mangfall Valley Railway is a regional rail line in Bavaria, Germany, running through the Mangfall Valley and connecting several towns between Holzkirchen and Rosenheim.
  • C. Furka railway line
    The Furka railway line is a historic Swiss mountain railway route renowned for its dramatic alpine scenery, steep gradients, and use of cogwheel technology to traverse the Furka Pass.
  • D. Odontotos rack railway
    The Odontotos rack railway is a historic narrow-gauge cog railway in Greece, renowned for its scenic route through the Vouraikos Gorge between Diakopto and Kalavryta.
  • E. Hell Valley Railway
    Hell Valley Railway is the English name for the Höllentalbahn, a scenic and steep railway line running through the Höllental (Hell Valley) in Germany’s Black Forest region.
  • 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: heritageSuccessorOnOldRoute
Context triple: [Furka Oberalp Railway, heritageSuccessorOnOldRoute, Furka Cogwheel Steam Railway]
  • A. heritageSuccessor chosen
    Indicates that one entity is the successor or inheritor of another in terms of heritage, lineage, or cultural tradition.
  • B. successorOnRoute
    Indicates that one entity directly follows another in sequence along a specified route.
  • C. majorSuccessorRoute
    Indicates that one route is the primary or main successor to another route in a sequence or network of routes.
  • D. usesFormerRouteOf
    Indicates that one route, service, or pathway currently follows all or part of the alignment or path that was previously used by another route.
  • E. historicalSuccessorState
    Indicates that one state historically followed and replaced another state in time as its successor.
  • F. None of above.

Provenance (3 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_69e24585ab1c81909b2b5065d15805d5 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17e2914188190be6cdbd8167cd806 completed April 29, 2026, 3:42 a.m.
PD Predicate disambiguation batch_69eed2d117088190acbfe130d84f8627 completed April 27, 2026, 3:06 a.m.
Created at: April 17, 2026, 3:34 p.m.