Triple

T10242007
Position Surface form Disambiguated ID Type / Status
Subject Vercelli E243615 entity
Predicate railwayLine P848 FINISHED
Object Vercelli–Pavia railway
The Vercelli–Pavia railway is a regional rail line in northern Italy that connects the city of Vercelli in Piedmont with Pavia in Lombardy, serving as part of the local passenger and freight transport network.
E854531 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: Vercelli–Pavia railway | Statement: [Vercelli, railwayLine, Vercelli–Pavia railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Vercelli–Pavia railway
Context triple: [Vercelli, railwayLine, Vercelli–Pavia railway]
  • A. Milan–Saronno railway
    The Milan–Saronno railway is a key suburban rail line in the Lombardy region of Italy that connects Milan with the town of Saronno and forms part of the main route toward Malpensa Airport.
  • B. Lecco–Bergamo railway
    The Lecco–Bergamo railway is a regional rail line in Lombardy, northern Italy, connecting the cities of Lecco and Bergamo through the Adda River valley.
  • C. Luino–Milan railway
    The Luino–Milan railway is a rail line in northern Italy that connects the town of Luino near the Swiss border with the major city of Milan, serving both regional passenger and freight traffic.
  • D. Milan–Varese railway
    The Milan–Varese railway is a key rail line in northern Italy that connects the city of Milan with Varese, serving as an important commuter and regional transport corridor in Lombardy.
  • E. Milan–Domodossola railway
    The Milan–Domodossola railway is a major Italian rail line connecting Milan with the town of Domodossola near the Swiss border, serving as an important route for both regional and international passenger and freight traffic.
  • 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: Vercelli–Pavia railway
Triple: [Vercelli, railwayLine, Vercelli–Pavia railway]
Generated description
The Vercelli–Pavia railway is a regional rail line in northern Italy that connects the city of Vercelli in Piedmont with Pavia in Lombardy, serving as part of the local passenger and freight transport network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Vercelli–Pavia railway
Target entity description: The Vercelli–Pavia railway is a regional rail line in northern Italy that connects the city of Vercelli in Piedmont with Pavia in Lombardy, serving as part of the local passenger and freight transport network.
  • A. Milan–Saronno railway
    The Milan–Saronno railway is a key suburban rail line in the Lombardy region of Italy that connects Milan with the town of Saronno and forms part of the main route toward Malpensa Airport.
  • B. Lecco–Bergamo railway
    The Lecco–Bergamo railway is a regional rail line in Lombardy, northern Italy, connecting the cities of Lecco and Bergamo through the Adda River valley.
  • C. Luino–Milan railway
    The Luino–Milan railway is a rail line in northern Italy that connects the town of Luino near the Swiss border with the major city of Milan, serving both regional passenger and freight traffic.
  • D. Milan–Varese railway
    The Milan–Varese railway is a key rail line in northern Italy that connects the city of Milan with Varese, serving as an important commuter and regional transport corridor in Lombardy.
  • E. Milan–Domodossola railway
    The Milan–Domodossola railway is a major Italian rail line connecting Milan with the town of Domodossola near the Swiss border, serving as an important route for both regional and international passenger and freight traffic.
  • 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_69d381b0f97c819085c9b45799a5fb7c completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4d21f2ae0819098ac60c828dc9cae completed April 7, 2026, 9:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69d71cb24d088190848d2fb1fffe4c48 completed April 9, 2026, 3:27 a.m.
NEDg Description generation batch_69d71f76e3cc8190b21a5fe8825caa2b completed April 9, 2026, 3:39 a.m.
NED2 Entity disambiguation (via description) batch_69d7319938ec8190a4a1a5f09832e3e3 completed April 9, 2026, 4:56 a.m.
Created at: April 6, 2026, 11:25 a.m.