Triple

T4572695
Position Surface form Disambiguated ID Type / Status
Subject Piacenza E123069 entity
Predicate hasTransport P1298 FINISHED
Object Piacenza railway station
Piacenza railway station is a major rail hub in northern Italy that serves the city of Piacenza with regional and long-distance train connections.
 E454072 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: Piacenza railway station | Statement: [Piacenza, hasTransport, Piacenza railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Piacenza railway station
Context triple: [Piacenza, hasTransport, Piacenza railway station]
  • A. Padua railway station
    Padua railway station is a major rail hub in northeastern Italy that connects the city of Padua with national and international train services.
  • B. Bologna Centrale railway station
    Bologna Centrale railway station is the main railway hub of Bologna and one of Italy’s busiest and most important train stations, serving as a key junction for high-speed and regional rail services.
  • C. Rimini railway station
    Rimini railway station is a major train hub in the Italian city of Rimini, serving regional and long-distance routes along the Adriatic coast.
  • D. Ancona railway station
    Ancona railway station is the main rail hub of the city of Ancona in Italy, serving as a key junction on the Adriatic railway line with regional and long-distance connections.
  • E. Perugia railway station
    Perugia railway station is the main train station serving the city of Perugia in central Italy, connecting it to regional and national rail networks.
  • 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: Piacenza railway station
Triple: [Piacenza, hasTransport, Piacenza railway station]
Generated description
Piacenza railway station is a major rail hub in northern Italy that serves the city of Piacenza with regional and long-distance train connections.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Piacenza railway station
Target entity description: Piacenza railway station is a major rail hub in northern Italy that serves the city of Piacenza with regional and long-distance train connections.
  • A. Padua railway station
    Padua railway station is a major rail hub in northeastern Italy that connects the city of Padua with national and international train services.
  • B. Bologna Centrale railway station
    Bologna Centrale railway station is the main railway hub of Bologna and one of Italy’s busiest and most important train stations, serving as a key junction for high-speed and regional rail services.
  • C. Rimini railway station
    Rimini railway station is a major train hub in the Italian city of Rimini, serving regional and long-distance routes along the Adriatic coast.
  • D. Ancona railway station
    Ancona railway station is the main rail hub of the city of Ancona in Italy, serving as a key junction on the Adriatic railway line with regional and long-distance connections.
  • E. Perugia railway station
    Perugia railway station is the main train station serving the city of Perugia in central Italy, connecting it to regional and national rail networks.
  • 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_69bd46466c7081909d07f36be2d08804 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd58c711408190a2b096daf57e6eac completed March 20, 2026, 2:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69bdd3d709308190aeb6a71a9dabdd3c completed March 20, 2026, 11:10 p.m.
NEDg Description generation batch_69bdd49a9b2081909843c6c53ee1cbdc completed March 20, 2026, 11:13 p.m.
NED2 Entity disambiguation (via description) batch_69bdd513d36c81909958dabb1acbe094 completed March 20, 2026, 11:15 p.m.
Created at: March 20, 2026, 1:10 p.m.