Triple
T12842775
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tren a las Nubes route |
E307093
|
entity |
| Predicate | endPoint |
P390
|
FINISHED |
| Object | La Polvorilla viaduct |
E1006018
|
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: La Polvorilla viaduct | Statement: [Tren a las Nubes route, endPoint, La Polvorilla viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: La Polvorilla viaduct Context triple: [Tren a las Nubes route, endPoint, La Polvorilla viaduct]
-
A.
Viaducto La Polvorilla
chosen
Viaducto La Polvorilla is a famous high-altitude railway viaduct in Argentina, known as a key engineering landmark on the Tren a las Nubes route through the Andes.
-
B.
Almondell Viaduct
Almondell Viaduct is a historic stone railway viaduct located within Almondell and Calderwood Country Park in West Lothian, Scotland.
-
C.
Valentré Bridge
Valentré Bridge is a 14th-century fortified stone arch bridge in Cahors, France, renowned for its medieval military architecture and associated legends.
-
D.
Vilaseca Bridge
Vilaseca Bridge is a historic steel truss bridge spanning the Connecticut River between Bellows Falls, Vermont, and Walpole, New Hampshire.
-
E.
Llacolén Bridge
Llacolén Bridge is a major road bridge in Concepción, Chile, that spans the Biobío River and serves as a key connection within the city’s transport network.
- 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_69d7bdf52b94819096d6f0ba4ab50a98 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96ff2ab60819085561a3120189985 |
completed | April 10, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6a54838888190804202e45a55de48 |
completed | May 3, 2026, 1:30 a.m. |
Created at: April 9, 2026, 5:35 p.m.