Triple

T18579506
Position Surface form Disambiguated ID Type / Status
Subject Piacenza railway station E454072 entity
Predicate partOf P40 FINISHED
Object Cremona–Piacenza railway
The Cremona–Piacenza railway is a regional rail line in northern Italy that connects the cities of Cremona and Piacenza, serving local passenger and freight traffic.
E1336517 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: Cremona–Piacenza railway | Statement: [Piacenza railway station, partOf, Cremona–Piacenza railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cremona–Piacenza railway
Context triple: [Piacenza railway station, partOf, Cremona–Piacenza railway]
  • A. Alessandria–Piacenza railway
    The Alessandria–Piacenza railway is an Italian rail line connecting the cities of Alessandria in Piedmont and Piacenza in Emilia-Romagna, serving as an important regional transport corridor.
  • B. Parma–Suzzara–Mantua railway
    The Parma–Suzzara–Mantua railway is a regional rail line in northern Italy that connects the cities of Parma and Mantua via Suzzara, serving local passenger and freight traffic.
  • C. Turin–Piacenza railway
    The Turin–Piacenza railway is a major Italian rail line connecting the city of Turin with Piacenza, forming part of an important east–west transport corridor in northern Italy.
  • D. 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.
  • E. Verona–Mantua–Modena railway
    The Verona–Mantua–Modena railway is an Italian rail line in northern Italy that connects the cities of Verona, Mantua, and Modena, serving as an important regional passenger and freight 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: Cremona–Piacenza railway
Triple: [Piacenza railway station, partOf, Cremona–Piacenza railway]
Generated description
The Cremona–Piacenza railway is a regional rail line in northern Italy that connects the cities of Cremona and Piacenza, serving local passenger and freight traffic.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cremona–Piacenza railway
Target entity description: The Cremona–Piacenza railway is a regional rail line in northern Italy that connects the cities of Cremona and Piacenza, serving local passenger and freight traffic.
  • A. Alessandria–Piacenza railway
    The Alessandria–Piacenza railway is an Italian rail line connecting the cities of Alessandria in Piedmont and Piacenza in Emilia-Romagna, serving as an important regional transport corridor.
  • B. Parma–Suzzara–Mantua railway
    The Parma–Suzzara–Mantua railway is a regional rail line in northern Italy that connects the cities of Parma and Mantua via Suzzara, serving local passenger and freight traffic.
  • C. Turin–Piacenza railway
    The Turin–Piacenza railway is a major Italian rail line connecting the city of Turin with Piacenza, forming part of an important east–west transport corridor in northern Italy.
  • D. 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.
  • E. Verona–Mantua–Modena railway
    The Verona–Mantua–Modena railway is an Italian rail line in northern Italy that connects the cities of Verona, Mantua, and Modena, serving as an important regional passenger and freight 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_69d8d38974308190a9174430ef256b73 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e543ce63188190b14a37c5ca9c2726 completed April 19, 2026, 9:06 p.m.
NED1 Entity disambiguation (via context triple) batch_6a05170d98a88190a048feff7f0bc7a4 completed May 14, 2026, 12:27 a.m.
NEDg Description generation batch_6a051ad23658819081f5169a0506fda6 completed May 14, 2026, 12:44 a.m.
NED2 Entity disambiguation (via description) batch_6a051b9a071c8190a0e92848a3596acd completed May 14, 2026, 12:47 a.m.
Created at: April 10, 2026, 11:43 a.m.