Triple

T3484591
Position Surface form Disambiguated ID Type / Status
Subject Torino Porta Nuova E73576 entity
Predicate railwayLine P848 FINISHED
Object 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.
E362238 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–Milan railway | Statement: [Torino Porta Nuova, railwayLine, Turin–Milan railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Turin–Milan railway
Context triple: [Torino Porta Nuova, railwayLine, Turin–Milan railway]
  • A. 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.
  • B. Genoa–Ventimiglia railway
    The Genoa–Ventimiglia railway is a major coastal rail line in northwestern Italy that runs along the Ligurian Sea, connecting Genoa with towns up to the French border.
  • C. Turin–Modane railway
    The Turin–Modane railway is a major trans-Alpine rail line connecting Turin in Italy with Modane in France, providing a key international route through the Alps.
  • D. Lyon–Turin rail axis
    The Lyon–Turin rail axis is a major transalpine high-speed and freight railway project linking Lyon in France with Turin in Italy through long base tunnels under the Alps to improve cross-border transport.
  • E. Rome–Naples railway line
    The Rome–Naples railway line is a major Italian rail corridor linking the capital Rome with the southern city of Naples, serving numerous intermediate towns and provinces along its route.
  • 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–Milan railway
Triple: [Torino Porta Nuova, railwayLine, Turin–Milan railway]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Turin–Milan railway
Target entity description: 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.
  • A. 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.
  • B. Genoa–Ventimiglia railway
    The Genoa–Ventimiglia railway is a major coastal rail line in northwestern Italy that runs along the Ligurian Sea, connecting Genoa with towns up to the French border.
  • C. Turin–Modane railway
    The Turin–Modane railway is a major trans-Alpine rail line connecting Turin in Italy with Modane in France, providing a key international route through the Alps.
  • D. Lyon–Turin rail axis
    The Lyon–Turin rail axis is a major transalpine high-speed and freight railway project linking Lyon in France with Turin in Italy through long base tunnels under the Alps to improve cross-border transport.
  • E. Rome–Naples railway line
    The Rome–Naples railway line is a major Italian rail corridor linking the capital Rome with the southern city of Naples, serving numerous intermediate towns and provinces along its route.
  • 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_69ad85b3c9b08190857cae74c7f36da9 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adbb795db88190805b26d9774fdb73 completed March 8, 2026, 6:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69b373b5086081908ee4491860597557 completed March 13, 2026, 2:17 a.m.
NEDg Description generation batch_69b37497edb88190bd3300e33666abde completed March 13, 2026, 2:21 a.m.
NED2 Entity disambiguation (via description) batch_69b375233df88190a9bef254932bf7ee completed March 13, 2026, 2:23 a.m.
Created at: March 8, 2026, 3:17 p.m.