Triple

T22560485
Position Surface form Disambiguated ID Type / Status
Subject Chivasso E557799 entity
Predicate railwayLine P848 FINISHED
Object Chivasso–Alessandria railway
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.
 E1555347 NE FINISHED

How this triple was built (4 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.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Chivasso–Alessandria railway
Triple: [Chivasso, railwayLine, Chivasso–Alessandria railway]
Generated 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.
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 (5 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.
NED1 Entity disambiguation (via context triple) batch_6a0b9e7caad881909ff0c985655f6a75 completed May 18, 2026, 11:19 p.m.
NEDg Description generation batch_6a0b9f3eac388190878697e55c8d2405 completed May 18, 2026, 11:22 p.m.
NED2 Entity disambiguation (via description) batch_6a0ba149b79c8190abfd2b285f8e3e3c completed May 18, 2026, 11:31 p.m.
Created at: April 16, 2026, 8:52 p.m.