Triple
T3181311
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Porto Campanhã railway station |
E66592
|
entity |
| Predicate | partOfNetwork |
P840
|
FINISHED |
| Object | Linha de Douro |
E305261
|
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: Linha de Douro | Statement: [Porto Campanhã railway station, partOfNetwork, Linha de Douro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Linha de Douro Context triple: [Porto Campanhã railway station, partOfNetwork, Linha de Douro]
-
A.
Linha do Douro
chosen
Linha do Douro is a scenic railway line in northern Portugal that runs along the Douro River, historically serving both passenger and wine transport between Porto and the Douro Valley.
-
B.
Douro River
The Douro River is one of the major rivers of the Iberian Peninsula, flowing from northern Spain through Portugal to the Atlantic Ocean and famed for the terraced vineyards of the Port wine region along its banks.
-
C.
Linha do Vouga
Linha do Vouga is a narrow-gauge railway line in central Portugal known for its scenic route and historic rolling stock.
-
D.
Sanfins do Douro
Sanfins do Douro is a parish in the municipality of Alijó in Portugal’s Douro region, known for its wine-producing landscape and historical rural character.
-
E.
Linha do Minho
Linha do Minho is a major railway line in northern Portugal that connects Porto to the Minho region and continues toward the Spanish border, serving as an important route for both passenger and freight transport.
- 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_69ad8587c1bc8190a2595f2c22ee1001 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada6a1280c8190b59a2afd30312c02 |
completed | March 8, 2026, 4:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b24b777fe881909764e2f2cdb68479 |
completed | March 12, 2026, 5:13 a.m. |
Created at: March 8, 2026, 3:06 p.m.