Triple
T3181332
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Porto Campanhã railway station |
E66592
|
entity |
| Predicate | locatedOnRiverBasin |
P18951
|
FINISHED |
| Object | Douro River basin |
E223726
|
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: Douro River basin | Statement: [Porto Campanhã railway station, locatedOnRiverBasin, Douro River basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Douro River basin Context triple: [Porto Campanhã railway station, locatedOnRiverBasin, Douro River basin]
-
A.
Douro basin
chosen
The Douro basin is the extensive river catchment area in the Iberian Peninsula that collects the waters of the Douro River and its tributaries across Spain and Portugal.
-
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.
Covas do Douro
Covas do Douro is a civil parish in northern Portugal’s Douro Valley, known for its wine-producing landscape and inclusion in the municipality of Sabrosa.
-
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 Douro
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.
- 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_69b2620b62f48190905812d0c0e9f85c |
completed | March 12, 2026, 6:49 a.m. |
Created at: March 8, 2026, 3:06 p.m.