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.