Triple
T18151065
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lanús |
E434501
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object | Lanús railway station |
—
|
NE NERFINISHED |
How this triple was built (3 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: Lanús railway station | Statement: [Lanús, hasRailwayStation, Lanús railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lanús railway station Context triple: [Lanús, hasRailwayStation, Lanús railway station]
-
A.
Retiro Belgrano Norte railway station
Retiro Belgrano Norte railway station is a major commuter rail terminus in Buenos Aires, Argentina, serving the Belgrano Norte Line and connecting the northern suburbs with the city center.
-
B.
Vicente López station
Vicente López station is a commuter rail stop in the Buenos Aires metropolitan area, serving the Vicente López district on Argentina’s Mitre Line.
-
C.
Bartolomé Mitre station
Bartolomé Mitre station is a railway terminus in Buenos Aires, Argentina, serving as the endpoint of one of the branches of the Mitre Line suburban rail network.
-
D.
Emilio Mitre station
Emilio Mitre station is a stop on Buenos Aires’ Line E of the underground metro system, serving passengers in the city’s eastern network.
-
E.
Federico Lacroze station
Federico Lacroze station is a major Buenos Aires Underground stop in the Chacarita neighborhood, serving as an important transport hub that connects subway services with suburban rail lines.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lanús railway station Target entity description: Lanús railway station is a commuter rail station in the city of Lanús, part of the Buenos Aires metropolitan railway network in Argentina.
-
A.
Retiro Belgrano Norte railway station
Retiro Belgrano Norte railway station is a major commuter rail terminus in Buenos Aires, Argentina, serving the Belgrano Norte Line and connecting the northern suburbs with the city center.
-
B.
Vicente López station
Vicente López station is a commuter rail stop in the Buenos Aires metropolitan area, serving the Vicente López district on Argentina’s Mitre Line.
-
C.
Bartolomé Mitre station
Bartolomé Mitre station is a railway terminus in Buenos Aires, Argentina, serving as the endpoint of one of the branches of the Mitre Line suburban rail network.
-
D.
Emilio Mitre station
Emilio Mitre station is a stop on Buenos Aires’ Line E of the underground metro system, serving passengers in the city’s eastern network.
-
E.
Federico Lacroze station
Federico Lacroze station is a major Buenos Aires Underground stop in the Chacarita neighborhood, serving as an important transport hub that connects subway services with suburban rail lines.
- F. None of above. chosen
Provenance (2 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_69d8b90aac308190801e2c57d8c5bfe5 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4de38d4e08190bc4d430b70b7e288 |
completed | April 19, 2026, 1:52 p.m. |
Created at: April 10, 2026, 10:29 a.m.