Triple

T22107763
Position Surface form Disambiguated ID Type / Status
Subject Albula region E546331 entity
Predicate contains P35 FINISHED
Object Albula railway line NE NERFINISHED

How this triple was built (2 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: Albula railway line | Statement: [Albula region, contains, Albula railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Albula railway line
Context triple: [Albula region, contains, Albula railway line]
  • A. Albula Railway chosen
    The Albula Railway is a renowned Swiss mountain railway line celebrated for its spectacular alpine scenery, spiral tunnels, and status as a UNESCO World Heritage Site.
  • B. Brünig railway line
    The Brünig railway line is a scenic Swiss metre-gauge rail route operated by Zentralbahn that connects Lucerne and Interlaken across the Alps.
  • C. 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.
  • D. 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.
  • E. Bernina railway line
    The Bernina railway line is a scenic Swiss mountain railway and UNESCO World Heritage site renowned for its dramatic alpine landscapes and panoramic train journeys between Switzerland and Italy.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69e11e378dc08190896d6a51597afd5a completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f1291adc74819092c7753bb6f3768d completed April 28, 2026, 9:39 p.m.
Created at: April 16, 2026, 8:30 p.m.