Triple
T13143851
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Empresa de los Ferrocarriles del Estado |
E312284
|
entity |
| Predicate | hasSubsidiary |
P254
|
FINISHED |
| Object | Metrotren |
E312287
|
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: Metrotren | Statement: [Empresa de los Ferrocarriles del Estado, hasSubsidiary, Metrotren]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metrotren Context triple: [Empresa de los Ferrocarriles del Estado, hasSubsidiary, Metrotren]
-
A.
Metrotren Nos commuter service
chosen
Metrotren Nos commuter service is a suburban passenger rail line in the Santiago, Chile metropolitan area that connects the city center with southern commuter districts.
-
B.
Rio Metro
Rio Metro is the public transportation brand serving the Albuquerque metropolitan area and surrounding communities in central New Mexico, providing commuter rail and bus services.
-
C.
Metrovías
Metrovías is an Argentine private company that operated and managed public transportation services in Buenos Aires, including the city’s underground metro system, for many years.
-
D.
SORTA Metro
SORTA Metro is the primary public bus transit system serving Cincinnati and its surrounding Hamilton County region.
-
E.
Metro Trains
Metro Trains is a suburban passenger rail service brand operating the metropolitan train network in Melbourne, Australia.
- 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_69d806aabde48190899e13e41659cae5 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98bce3678819082a7aa1d83f20592 |
completed | April 10, 2026, 11:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6eae4a87881908be57e15f001c904 |
completed | May 3, 2026, 6:27 a.m. |
Created at: April 9, 2026, 9:10 p.m.