Triple
T15738008
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CAF A36 tram |
E381525
|
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 A36 tram, 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 A36 tram, 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.
Cisdneper Railways
Cisdneper Railways was a regional railway administration in the former Soviet Union that managed rail transport infrastructure in the Dnieper River area, including what later became the Crimean Railway network.
-
D.
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.
-
E.
Locomotive Works
Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
- 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_69d86d9cdb648190bf3171be0bd7d872 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e04fd6eb888190b7a9b07b76e62c0d |
completed | April 16, 2026, 2:56 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff830336248190a8bbd8153dd95daa |
completed | May 9, 2026, 6:54 p.m. |
Created at: April 10, 2026, 4:46 a.m.