Triple
T6637351
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CAF Mark 5 sleeping coaches |
E150491
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | Construcciones y Auxiliar de Ferrocarriles |
E559741
|
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: Construcciones y Auxiliar de Ferrocarriles | Statement: [CAF Mark 5 sleeping coaches, manufacturer, Construcciones y Auxiliar de Ferrocarriles]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Construcciones y Auxiliar de Ferrocarriles Context triple: [CAF Mark 5 sleeping coaches, manufacturer, Construcciones y Auxiliar de Ferrocarriles]
-
A.
Construcciones y Auxiliar de Ferrocarriles
chosen
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.
-
B.
Empresa de los Ferrocarriles del Estado
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.
-
C.
Consolidated Rail Corporation
Consolidated Rail Corporation, commonly known as Conrail, was a major U.S. freight railroad created in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
-
D.
Locomotive Works
Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
-
E.
Ferrocarril Chihuahua al Pacífico
Ferrocarril Chihuahua al Pacífico is a scenic Mexican railway line, commonly known as "El Chepe," that traverses the Sierra Madre Occidental and the Copper Canyon region.
- 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_69c687f0ceb08190bf40807bfc605fa5 |
completed | March 27, 2026, 1:36 p.m. |
| NER | Named-entity recognition | batch_69c6afcf439c8190b9334b34774da821 |
completed | March 27, 2026, 4:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6cbf71874819080cc89b6740b1567 |
completed | March 27, 2026, 6:27 p.m. |
Created at: March 27, 2026, 1:59 p.m.