Triple

T15429073
Position Surface form Disambiguated ID Type / Status
Subject Milan Metro Line 3 E369587 entity
Predicate inauguralSection P73922 FINISHED
Object Centrale FS–Duomo
Centrale FS–Duomo is the original central stretch of Milan Metro Line 3 connecting the city’s main railway hub with its historic cathedral area.
E1156274 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: Centrale FS–Duomo | Statement: [Milan Metro Line 3, inauguralSection, Centrale FS–Duomo]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Centrale FS–Duomo
Context triple: [Milan Metro Line 3, inauguralSection, Centrale FS–Duomo]
  • A. Milan Cathedral
    Milan Cathedral is a monumental Gothic cathedral in central Milan, renowned for its intricate spires, marble façade, and status as one of the largest churches in the world.
  • B. Torre di San Paolo
    Torre di San Paolo is one of the historic defensive towers of the Castello Estense in Ferrara, Italy, notable for its role in the castle’s medieval fortifications and later use as a prison.
  • C. La Rinascente Duomo, Milan
    La Rinascente Duomo in Milan is a flagship luxury department store renowned for its high-end fashion, design goods, and rooftop views of the Duomo cathedral.
  • D. Bergamo Cathedral
    Bergamo Cathedral is a historic Roman Catholic church in Bergamo, Italy, renowned for its Baroque architecture and rich artistic heritage.
  • E. Cathedral of San Pietro
    The Cathedral of San Pietro is a prominent Baroque church in Modica, Sicily, renowned for its ornate façade, grand staircase, and richly decorated interior.
  • 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: Centrale FS–Duomo
Triple: [Milan Metro Line 3, inauguralSection, Centrale FS–Duomo]
Generated description
Centrale FS–Duomo is the original central stretch of Milan Metro Line 3 connecting the city’s main railway hub with its historic cathedral area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Centrale FS–Duomo
Target entity description: Centrale FS–Duomo is the original central stretch of Milan Metro Line 3 connecting the city’s main railway hub with its historic cathedral area.
  • A. Milan Cathedral
    Milan Cathedral is a monumental Gothic cathedral in central Milan, renowned for its intricate spires, marble façade, and status as one of the largest churches in the world.
  • B. Torre di San Paolo
    Torre di San Paolo is one of the historic defensive towers of the Castello Estense in Ferrara, Italy, notable for its role in the castle’s medieval fortifications and later use as a prison.
  • C. La Rinascente Duomo, Milan
    La Rinascente Duomo in Milan is a flagship luxury department store renowned for its high-end fashion, design goods, and rooftop views of the Duomo cathedral.
  • D. Bergamo Cathedral
    Bergamo Cathedral is a historic Roman Catholic church in Bergamo, Italy, renowned for its Baroque architecture and rich artistic heritage.
  • E. Cathedral of San Pietro
    The Cathedral of San Pietro is a prominent Baroque church in Modica, Sicily, renowned for its ornate façade, grand staircase, and richly decorated interior.
  • 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_69d85a1849f48190bf898068b2806fae completed April 10, 2026, 2:02 a.m.
NER Named-entity recognition batch_69e03ec31f4881908b26ff7c381d7bc9 completed April 16, 2026, 1:43 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff1a827d9081909fabc48bc685ba5b completed May 9, 2026, 11:29 a.m.
NEDg Description generation batch_69ff1b4c13e08190b2ccee59da02d0ae completed May 9, 2026, 11:32 a.m.
NED2 Entity disambiguation (via description) batch_69ff1bdb39b481908f0b1df595837bc4 completed May 9, 2026, 11:34 a.m.
Created at: April 10, 2026, 3:21 a.m.