Triple
T13144024
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Biotrén |
E312288
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Empresa de los Ferrocarriles del Estado |
E312284
|
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: Empresa de los Ferrocarriles del Estado | Statement: [Biotrén, owner, Empresa de los Ferrocarriles del Estado]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Empresa de los Ferrocarriles del Estado Context triple: [Biotrén, owner, Empresa de los Ferrocarriles del Estado]
-
A.
Empresa de los Ferrocarriles del Estado
chosen
Empresa de los Ferrocarriles del Estado is Chile’s state-owned railway company responsible for operating and managing much of the country’s passenger and freight rail services.
-
B.
Ferrocarriles del Sur S.A.
Ferrocarriles del Sur S.A. is a Chilean railway company that operates regional passenger train services in the Biobío Region.
-
C.
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.
-
D.
Metropolitan Intercity Railway Company
Metropolitan Intercity Railway Company is a Japanese railway operator best known for running the Tsukuba Express line connecting central Tokyo with the Tsukuba area.
-
E.
Construcciones y Auxiliar de Ferrocarriles
Construcciones y Auxiliar de Ferrocarriles (CAF) is a Spanish multinational company that designs and manufactures railway vehicles and related equipment for urban, regional, and high-speed rail systems worldwide.
- 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_69f7265eba0481908417d2bb905874e5 |
completed | May 3, 2026, 10:41 a.m. |
Created at: April 9, 2026, 9:10 p.m.