Triple
T12954348
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Porto São Bento railway station |
E309971
|
entity |
| Predicate | servesLine |
P839
|
FINISHED |
| Object | Linha do 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 do Douro | Statement: [Porto São Bento railway station, servesLine, Linha do Douro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Linha do Douro Context triple: [Porto São Bento railway station, servesLine, Linha do 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.
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.
-
C.
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.
-
D.
Linha do Vouga
Linha do Vouga is a narrow-gauge railway line in central Portugal known for its scenic route and historic rolling stock.
-
E.
Linha da Beira Alta
Linha da Beira Alta is a major Portuguese railway line that serves as a key international freight and passenger corridor linking central Portugal to Spain and the rest of Europe.
- 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_69d7bdfb57a88190836b743e2825feca |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d97e2b0108819098a681f93e90dbda |
completed | April 10, 2026, 10:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6c0f0b4c08190a6cb0a098ca6d67b |
completed | May 3, 2026, 3:28 a.m. |
Created at: April 9, 2026, 5:44 p.m.