Triple

T5483466
Position Surface form Disambiguated ID Type / Status
Subject Bologna Centrale railway station E123520 entity
Predicate isPartOf P10 FINISHED
Object Bologna–Pistoia railway
The Bologna–Pistoia railway is a major Italian rail line crossing the Apennines to connect the Emilia-Romagna city of Bologna with Pistoia in Tuscany.
E524959 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: Bologna–Pistoia railway | Statement: [Bologna Centrale railway station, isPartOf, Bologna–Pistoia railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bologna–Pistoia railway
Context triple: [Bologna Centrale railway station, isPartOf, Bologna–Pistoia railway]
  • A. 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.
  • B. Bologna–Ancona railway
    The Bologna–Ancona railway is a major Italian rail line connecting the inland city of Bologna with the Adriatic coastal city of Ancona, serving as an important corridor for both passenger and freight traffic.
  • C. Empoli–Siena railway
    The Empoli–Siena railway is a regional rail line in Tuscany, Italy, connecting the cities of Empoli and Siena and serving several intermediate towns including Certaldo.
  • D. 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.
  • E. Bologna–Padua railway
    The Bologna–Padua railway is a major Italian rail line in northern Italy that connects the cities of Bologna and Padua, serving as an important corridor for both regional and long-distance 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: Bologna–Pistoia railway
Triple: [Bologna Centrale railway station, isPartOf, Bologna–Pistoia railway]
Generated description
The Bologna–Pistoia railway is a major Italian rail line crossing the Apennines to connect the Emilia-Romagna city of Bologna with Pistoia in Tuscany.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bologna–Pistoia railway
Target entity description: The Bologna–Pistoia railway is a major Italian rail line crossing the Apennines to connect the Emilia-Romagna city of Bologna with Pistoia in Tuscany.
  • A. 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.
  • B. Bologna–Ancona railway
    The Bologna–Ancona railway is a major Italian rail line connecting the inland city of Bologna with the Adriatic coastal city of Ancona, serving as an important corridor for both passenger and freight traffic.
  • C. Empoli–Siena railway
    The Empoli–Siena railway is a regional rail line in Tuscany, Italy, connecting the cities of Empoli and Siena and serving several intermediate towns including Certaldo.
  • D. 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.
  • E. Bologna–Padua railway
    The Bologna–Padua railway is a major Italian rail line in northern Italy that connects the cities of Bologna and Padua, serving as an important corridor for both regional and long-distance 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_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_69bf833b88d881908e9b6180c74f72fb completed March 22, 2026, 5:50 a.m.
NEDg Description generation batch_69bf83c14dac8190878c6929618a7905 completed March 22, 2026, 5:53 a.m.
NED2 Entity disambiguation (via description) batch_69bf8437ed0c8190a286489b0a34586a completed March 22, 2026, 5:55 a.m.
Created at: March 20, 2026, 2:10 p.m.