Triple

T19566546
Position Surface form Disambiguated ID Type / Status
Subject Bernina Express E489595 entity
Predicate notableStructureOnRoute P10970 FINISHED
Object Brusio spiral viaduct — 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: Brusio spiral viaduct | Statement: [Bernina Express, notableStructureOnRoute, Brusio spiral viaduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Brusio spiral viaduct
Context triple: [Bernina Express, notableStructureOnRoute, Brusio spiral viaduct]
  • A. Nydegg Bridge
    Nydegg Bridge is a historic stone arch bridge in Bern, Switzerland, spanning the Aare River and connecting the Old City with the eastern districts.
  • B. Aare bridge
    Aare bridge is a notable bridge spanning the Aare River in the Swiss town of Brugg, serving as a key local crossing and landmark.
  • C. Thomas Viaduct
    Thomas Viaduct is a historic early 19th-century stone railroad bridge in Maryland, notable as one of the oldest multiple-arch railroad bridges still in use in the United States.
  • D. Clécy viaduct
    The Clécy viaduct is a scenic stone railway bridge in Normandy, France, spanning the Orne valley and serving as a popular spot for outdoor activities and sightseeing.
  • E. Swiss Bridge
    Swiss Bridge is an ornamental, Swiss-style footbridge in Birkenhead Park in Merseyside, England, known for its picturesque, chalet-inspired design.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Brusio spiral viaduct
Target entity description: The Brusio spiral viaduct is a distinctive circular stone railway viaduct in Switzerland, engineered to help trains gain elevation on the Bernina line through a dramatic open-air spiral.
  • A. Nydegg Bridge
    Nydegg Bridge is a historic stone arch bridge in Bern, Switzerland, spanning the Aare River and connecting the Old City with the eastern districts.
  • B. Aare bridge
    Aare bridge is a notable bridge spanning the Aare River in the Swiss town of Brugg, serving as a key local crossing and landmark.
  • C. Thomas Viaduct
    Thomas Viaduct is a historic early 19th-century stone railroad bridge in Maryland, notable as one of the oldest multiple-arch railroad bridges still in use in the United States.
  • D. Clécy viaduct
    The Clécy viaduct is a scenic stone railway bridge in Normandy, France, spanning the Orne valley and serving as a popular spot for outdoor activities and sightseeing.
  • E. Swiss Bridge
    Swiss Bridge is an ornamental, Swiss-style footbridge in Birkenhead Park in Merseyside, England, known for its picturesque, chalet-inspired design.
  • F. None of above. chosen

Provenance (2 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_69d8e8dc5d8c8190a6d7bd8864f43ca0 completed April 10, 2026, 12:11 p.m.
NER Named-entity recognition batch_69e63f784ff88190a515c78429de3caf completed April 20, 2026, 3 p.m.
Created at: April 10, 2026, 1:42 p.m.