Triple

T5483463
Position Surface form Disambiguated ID Type / Status
Subject Bologna Centrale railway station E123520 entity
Predicate isPartOf P10 FINISHED
Object Verona–Bologna railway
The Verona–Bologna railway is a major Italian rail line connecting the cities of Verona and Bologna, serving as an important north–south transport corridor in northern Italy.
 E524395 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: Verona–Bologna railway | Statement: [Bologna Centrale railway station, isPartOf, Verona–Bologna railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Verona–Bologna railway
Context triple: [Bologna Centrale railway station, isPartOf, Verona–Bologna railway]
  • A. Milan–Bologna railway
    The Milan–Bologna railway is a major Italian mainline rail corridor connecting the northern cities of Milan and Bologna and forming a key segment of the country’s high-capacity transport network.
  • B. Bologna–Florence railway
    The Bologna–Florence railway is a major Italian rail line crossing the Apennine Mountains to connect the northern city of Bologna with Florence in central Italy, serving as a key corridor between northern and southern Italy.
  • C. Venice–Milan railway
    The Venice–Milan railway is a major Italian rail line connecting the historic city of Venice with the economic hub of Milan, serving as one of the country’s primary east–west transport corridors.
  • D. Terontola–Foligno railway
    The Terontola–Foligno railway is a regional rail line in central Italy that connects key Umbrian and Tuscan towns, serving as an important link between the Florence–Rome mainline and the local network around Perugia and Foligno.
  • E. 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.
  • 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: Verona–Bologna railway
Triple: [Bologna Centrale railway station, isPartOf, Verona–Bologna railway]
Generated description
The Verona–Bologna railway is a major Italian rail line connecting the cities of Verona and Bologna, serving as an important north–south transport corridor in northern Italy.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Verona–Bologna railway
Target entity description: The Verona–Bologna railway is a major Italian rail line connecting the cities of Verona and Bologna, serving as an important north–south transport corridor in northern Italy.
  • A. Milan–Bologna railway
    The Milan–Bologna railway is a major Italian mainline rail corridor connecting the northern cities of Milan and Bologna and forming a key segment of the country’s high-capacity transport network.
  • B. Bologna–Florence railway
    The Bologna–Florence railway is a major Italian rail line crossing the Apennine Mountains to connect the northern city of Bologna with Florence in central Italy, serving as a key corridor between northern and southern Italy.
  • C. Venice–Milan railway
    The Venice–Milan railway is a major Italian rail line connecting the historic city of Venice with the economic hub of Milan, serving as one of the country’s primary east–west transport corridors.
  • D. Terontola–Foligno railway
    The Terontola–Foligno railway is a regional rail line in central Italy that connects key Umbrian and Tuscan towns, serving as an important link between the Florence–Rome mainline and the local network around Perugia and Foligno.
  • E. 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.
  • 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_69bd4648883481909e9775d43300c5fa completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd925deadc81908e193eeb75b63d90 completed March 20, 2026, 6:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf70dcb0c881909d9aaf0050a5c27b completed March 22, 2026, 4:32 a.m.
NEDg Description generation batch_69bf726ca8b08190b4ae9d6d2787b303 completed March 22, 2026, 4:39 a.m.
NED2 Entity disambiguation (via description) batch_69bf72b99d988190801d6044fa07310c completed March 22, 2026, 4:40 a.m.
Created at: March 20, 2026, 2:10 p.m.