Triple

T22560485
Position Surface form Disambiguated ID Type / Status
Subject Chivasso E557799 entity
Predicate railwayLine P848 FINISHED
Object Chivasso–Alessandria 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: Chivasso–Alessandria railway | Statement: [Chivasso, railwayLine, Chivasso–Alessandria railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chivasso–Alessandria railway
Context triple: [Chivasso, railwayLine, Chivasso–Alessandria railway]
  • A. Alessandria–Piacenza railway
    The Alessandria–Piacenza railway is an Italian rail line connecting the cities of Alessandria in Piedmont and Piacenza in Emilia-Romagna, serving as an important regional transport corridor.
  • B. Vercelli–Casale Monferrato railway
    The Vercelli–Casale Monferrato railway is a regional rail line in northern Italy connecting the city of Vercelli with Casale Monferrato across the Piedmont region.
  • C. Alessandria–Acqui Terme railway
    The Alessandria–Acqui Terme railway is a regional rail line in northwestern Italy connecting the city of Alessandria with the spa town of Acqui Terme through the Piedmont countryside.
  • D. Turin–Alessandria railway
    The Turin–Alessandria railway is a key rail line in northern Italy that connects the city of Turin with Alessandria, serving both regional passenger and freight traffic.
  • E. Chivasso–Aosta railway
    The Chivasso–Aosta railway is a regional rail line in northwestern Italy that connects the town of Chivasso near Turin with the Aosta Valley through the Dora Baltea valley.
  • 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: Chivasso–Alessandria railway
Target entity description: The Chivasso–Alessandria railway is a regional rail line in the Piedmont region of northwestern Italy that connects the town of Chivasso, near Turin, with the city of Alessandria.
  • A. Alessandria–Piacenza railway
    The Alessandria–Piacenza railway is an Italian rail line connecting the cities of Alessandria in Piedmont and Piacenza in Emilia-Romagna, serving as an important regional transport corridor.
  • B. Vercelli–Casale Monferrato railway
    The Vercelli–Casale Monferrato railway is a regional rail line in northern Italy connecting the city of Vercelli with Casale Monferrato across the Piedmont region.
  • C. Alessandria–Acqui Terme railway
    The Alessandria–Acqui Terme railway is a regional rail line in northwestern Italy connecting the city of Alessandria with the spa town of Acqui Terme through the Piedmont countryside.
  • D. Turin–Alessandria railway
    The Turin–Alessandria railway is a key rail line in northern Italy that connects the city of Turin with Alessandria, serving both regional passenger and freight traffic.
  • E. Chivasso–Aosta railway
    The Chivasso–Aosta railway is a regional rail line in northwestern Italy that connects the town of Chivasso near Turin with the Aosta Valley through the Dora Baltea valley.
  • 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_69e11e59db848190b4272ecd2b690ffd completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15fa5f4008190921095b7aff4f4e2 completed April 29, 2026, 1:32 a.m.
Created at: April 16, 2026, 8:52 p.m.