Triple
T12677350
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Linha do Tua |
E302850
|
entity |
| Predicate | formerOperator |
P179
|
FINISHED |
| Object | Caminhos de Ferro Portugueses |
E960382
|
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: Caminhos de Ferro Portugueses | Statement: [Linha do Tua, formerOperator, Caminhos de Ferro Portugueses]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Caminhos de Ferro Portugueses Context triple: [Linha do Tua, formerOperator, Caminhos de Ferro Portugueses]
-
A.
Companhia Real dos Caminhos de Ferro Portugueses
Companhia Real dos Caminhos de Ferro Portugueses was the royal chartered company that operated and expanded much of Portugal’s mainline railway network in the late 19th and early 20th centuries.
-
B.
Comboios de Portugal (CP)
chosen
Comboios de Portugal (CP) is Portugal’s state-owned national railway company, responsible for operating most passenger train services across the country.
-
C.
E.F.C.B. (Estrada de Ferro Central do Brasil)
E.F.C.B. (Estrada de Ferro Central do Brasil) is a painting by Brazilian modernist artist Tarsila do Amaral that reflects her distinctive style and engagement with Brazil’s industrial and cultural landscape.
-
D.
Renfe Mercancías
Renfe Mercancías is the freight transport division of Spain’s national railway operator, specializing in the movement of goods by rail across the Iberian Peninsula and beyond.
-
E.
freight division of Comboios de Portugal
The freight division of Comboios de Portugal was the rail freight arm of Portugal’s national railway operator, responsible for cargo transport services before being succeeded by CP Carga.
- 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_69d7bdee64a08190801c6d470aefd723 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d961b0d9c88190a05d6cbcb7a1642d |
completed | April 10, 2026, 8:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f67c7722788190867cc8a27f678b4f |
completed | May 2, 2026, 10:36 p.m. |
Created at: April 9, 2026, 5:20 p.m.