Triple

T3533524
Position Surface form Disambiguated ID Type / Status
Subject Milano Centrale railway station E74715 entity
Predicate servedBy P82 FINISHED
Object Trenord
Trenord is a regional railway company operating passenger train services across Lombardy in northern Italy.
 E364507 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: Trenord | Statement: [Milano Centrale railway station, servedBy, Trenord]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Trenord
Context triple: [Milano Centrale railway station, servedBy, Trenord]
  • A. South Shore Line
    The South Shore Line is an electric commuter rail service connecting Chicago with communities in northern Indiana, including Gary.
  • B. Amtrak
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • C. Metra
    Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
  • D. Chicago North Shore and Milwaukee Railroad
    The Chicago North Shore and Milwaukee Railroad was an interurban electric railway that operated between Chicago and Milwaukee, providing high-speed commuter and intercity service along the Lake Michigan shoreline in the early to mid-20th century.
  • E. Amtrak Lake Shore Limited
    Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
  • 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: Trenord
Triple: [Milano Centrale railway station, servedBy, Trenord]
Generated description
Trenord is a regional railway company operating passenger train services across Lombardy in northern Italy.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Trenord
Target entity description: Trenord is a regional railway company operating passenger train services across Lombardy in northern Italy.
  • A. South Shore Line
    The South Shore Line is an electric commuter rail service connecting Chicago with communities in northern Indiana, including Gary.
  • B. Amtrak
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • C. Metra
    Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
  • D. Chicago North Shore and Milwaukee Railroad
    The Chicago North Shore and Milwaukee Railroad was an interurban electric railway that operated between Chicago and Milwaukee, providing high-speed commuter and intercity service along the Lake Michigan shoreline in the early to mid-20th century.
  • E. Amtrak Lake Shore Limited
    Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
  • 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_69ad85d1a3948190931fd1ea1f49717b completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbc9b945481909867d44b810e8b1f completed March 8, 2026, 6:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69b37e9c408481909a808d400f545ff8 completed March 13, 2026, 3:03 a.m.
NEDg Description generation batch_69b37f232b8881908f7b4df89399d1d8 completed March 13, 2026, 3:06 a.m.
NED2 Entity disambiguation (via description) batch_69b37f8fea9481909eb82a06e6c71e98 completed March 13, 2026, 3:08 a.m.
Created at: March 8, 2026, 3:19 p.m.