Triple

T15663674
Position Surface form Disambiguated ID Type / Status
Subject Turin railway network E376630 entity
Predicate includesLine P2124 FINISHED
Object Turin–Ivrea railway
The Turin–Ivrea railway is a regional rail line in northern Italy that connects the city of Turin with Ivrea, serving commuter and local passenger traffic in the Piedmont region.
E1178234 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: Turin–Ivrea railway | Statement: [Turin railway network, includesLine, Turin–Ivrea railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Turin–Ivrea railway
Context triple: [Turin railway network, includesLine, Turin–Ivrea railway]
  • A. Turin–Pinerolo railway
    The Turin–Pinerolo railway is a regional rail line in the Piedmont region of northwestern Italy that connects the city of Turin with the town of Pinerolo.
  • B. Turin–Cuneo railway
    The Turin–Cuneo railway is a regional rail line in northwestern Italy that connects the city of Turin with Cuneo through the Piedmont region.
  • C. Turin–Savona railway
    The Turin–Savona railway is a major Italian rail line connecting the city of Turin in Piedmont with the port city of Savona on the Ligurian coast, serving both passenger and freight traffic across northwestern Italy.
  • D. Turin–Genoa railway
    The Turin–Genoa railway is a major Italian rail line that connects the industrial city of Turin with the port city of Genoa, serving as a key north–south transport corridor across northwestern Italy.
  • E. Turin–Milan railway
    The Turin–Milan railway is a major Italian rail corridor connecting the cities of Turin and Milan, serving as a key route for both regional and high-speed passenger services in northern Italy.
  • 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: Turin–Ivrea railway
Triple: [Turin railway network, includesLine, Turin–Ivrea railway]
Generated description
The Turin–Ivrea railway is a regional rail line in northern Italy that connects the city of Turin with Ivrea, serving commuter and local passenger traffic in the Piedmont region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Turin–Ivrea railway
Target entity description: The Turin–Ivrea railway is a regional rail line in northern Italy that connects the city of Turin with Ivrea, serving commuter and local passenger traffic in the Piedmont region.
  • A. Turin–Pinerolo railway
    The Turin–Pinerolo railway is a regional rail line in the Piedmont region of northwestern Italy that connects the city of Turin with the town of Pinerolo.
  • B. Turin–Cuneo railway
    The Turin–Cuneo railway is a regional rail line in northwestern Italy that connects the city of Turin with Cuneo through the Piedmont region.
  • C. Turin–Savona railway
    The Turin–Savona railway is a major Italian rail line connecting the city of Turin in Piedmont with the port city of Savona on the Ligurian coast, serving both passenger and freight traffic across northwestern Italy.
  • D. Turin–Genoa railway
    The Turin–Genoa railway is a major Italian rail line that connects the industrial city of Turin with the port city of Genoa, serving as a key north–south transport corridor across northwestern Italy.
  • E. Turin–Milan railway
    The Turin–Milan railway is a major Italian rail corridor connecting the cities of Turin and Milan, serving as a key route for both regional and high-speed passenger services in northern Italy.
  • 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_69d85cd1564c8190991adda63bfab4b0 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04f0e2668819092e52712cddd0721 completed April 16, 2026, 2:53 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff997e13e4819080a39f59172ab99c completed May 9, 2026, 8:30 p.m.
NEDg Description generation batch_69ff9a0fdf388190b2742e19f307c570 completed May 9, 2026, 8:33 p.m.
NED2 Entity disambiguation (via description) batch_69ff9a77d6d88190817158c30c56d70c completed May 9, 2026, 8:35 p.m.
Created at: April 10, 2026, 4:16 a.m.