Triple
T8376576
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Buenos Aires Underground Line A |
E197590
|
entity |
| Predicate | constructionCompany |
P63332
|
FINISHED |
| Object | Compañía de Tranvías Anglo-Argentina |
E716616
|
NE FINISHED |
How this triple was built (2 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: Compañía de Tranvías Anglo-Argentina | Statement: [Buenos Aires Underground Line A, constructionCompany, Compañía de Tranvías Anglo-Argentina]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Compañía de Tranvías Anglo-Argentina Context triple: [Buenos Aires Underground Line A, constructionCompany, Compañía de Tranvías Anglo-Argentina]
-
A.
Anglo-Argentine Tramways Company
chosen
The Anglo-Argentine Tramways Company was a British-owned transportation firm that developed and operated much of Buenos Aires’ early electric tram and subway network in the late 19th and early 20th centuries.
-
B.
Ferrocarriles Argentinos
Ferrocarriles Argentinos was Argentina’s former state-owned national railway company that operated most of the country’s passenger and freight rail services during much of the 20th century.
-
C.
Trenes Argentinos
Trenes Argentinos is Argentina’s state-owned railway company responsible for operating and managing much of the country’s passenger rail network.
-
D.
TBA (Trenes de Buenos Aires)
TBA (Trenes de Buenos Aires) was a private Argentine railway company that operated several commuter rail services in the Buenos Aires metropolitan area until its concession was revoked in the early 2010s.
-
E.
Buenos Aires and Pacific Railway
The Buenos Aires and Pacific Railway was a major British-owned railway company in Argentina that operated key long-distance and suburban lines connecting Buenos Aires with western regions of the country during the late 19th and early 20th centuries.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca82f64c188190af4e1608036b865d |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb80c094908190afe9cc54ce4f4d58 |
completed | March 31, 2026, 8:07 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cde7f19ba08190a08cf5aea522c021 |
completed | April 2, 2026, 3:52 a.m. |
Created at: March 30, 2026, 6:01 p.m.