Triple

T8142131
Position Surface form Disambiguated ID Type / Status
Subject Kawasaki multiple units E190121 entity
Predicate usedIn P98 FINISHED
Object Rio de Janeiro Metro
The Rio de Janeiro Metro is the rapid transit system serving the city of Rio de Janeiro, Brazil, providing high-capacity urban rail transport across key neighborhoods and metropolitan areas.
E712283 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: Rio de Janeiro Metro | Statement: [Kawasaki multiple units, usedIn, Rio de Janeiro Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Rio de Janeiro Metro
Context triple: [Kawasaki multiple units, usedIn, Rio de Janeiro Metro]
  • A. São Paulo Metro
    The São Paulo Metro is a major rapid transit system serving the city of São Paulo, Brazil, known for its extensive network, high ridership, and role as a backbone of the city's public transportation.
  • B. Brasília Metro
    The Brasília Metro is the rapid transit system serving Brazil’s capital, connecting key government, residential, and commercial areas across the Federal District.
  • C. Belo Horizonte Metro
    The Belo Horizonte Metro is a rapid transit system serving the metropolitan area of Belo Horizonte, Brazil, providing urban rail transport across key districts of the city.
  • D. São Paulo Metro Line 4-Yellow
    São Paulo Metro Line 4-Yellow is a major driverless metro line in São Paulo that connects key central and western districts, easing congestion and integrating with several other lines in the city’s rapid transit network.
  • E. São Paulo Metro Line 3-Red
    São Paulo Metro Line 3-Red is one of the main rapid transit lines in São Paulo, Brazil, running east–west through central areas and serving as a heavily used backbone of the city’s metro system.
  • 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: Rio de Janeiro Metro
Triple: [Kawasaki multiple units, usedIn, Rio de Janeiro Metro]
Generated description
The Rio de Janeiro Metro is the rapid transit system serving the city of Rio de Janeiro, Brazil, providing high-capacity urban rail transport across key neighborhoods and metropolitan areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Rio de Janeiro Metro
Target entity description: The Rio de Janeiro Metro is the rapid transit system serving the city of Rio de Janeiro, Brazil, providing high-capacity urban rail transport across key neighborhoods and metropolitan areas.
  • A. São Paulo Metro
    The São Paulo Metro is a major rapid transit system serving the city of São Paulo, Brazil, known for its extensive network, high ridership, and role as a backbone of the city's public transportation.
  • B. Brasília Metro
    The Brasília Metro is the rapid transit system serving Brazil’s capital, connecting key government, residential, and commercial areas across the Federal District.
  • C. Belo Horizonte Metro
    The Belo Horizonte Metro is a rapid transit system serving the metropolitan area of Belo Horizonte, Brazil, providing urban rail transport across key districts of the city.
  • D. São Paulo Metro Line 4-Yellow
    São Paulo Metro Line 4-Yellow is a major driverless metro line in São Paulo that connects key central and western districts, easing congestion and integrating with several other lines in the city’s rapid transit network.
  • E. São Paulo Metro Line 3-Red
    São Paulo Metro Line 3-Red is one of the main rapid transit lines in São Paulo, Brazil, running east–west through central areas and serving as a heavily used backbone of the city’s metro system.
  • 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_69ca82bd9900819099477cdc2eb4244f completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb4443a3748190bbae79f1d673c03d completed March 31, 2026, 3:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc94a9ecd08190a029a8d76d9f3bb1 completed April 1, 2026, 3:44 a.m.
NEDg Description generation batch_69cc95c228c08190a603c1dff44ff299 completed April 1, 2026, 3:49 a.m.
NED2 Entity disambiguation (via description) batch_69cc96b02d38819085eb51c1943b3045 completed April 1, 2026, 3:53 a.m.
Created at: March 30, 2026, 5:36 p.m.