Triple
T15421355
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Companhia Real dos Caminhos de Ferro Portugueses |
E369386
|
entity |
| Predicate | operatedStation |
P42386
|
FINISHED |
| Object | Porto-Campanhã railway station |
E66592
|
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: Porto-Campanhã railway station | Statement: [Companhia Real dos Caminhos de Ferro Portugueses, operatedStation, Porto-Campanhã railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Porto-Campanhã railway station Context triple: [Companhia Real dos Caminhos de Ferro Portugueses, operatedStation, Porto-Campanhã railway station]
-
A.
Porto Campanhã railway station
chosen
Porto Campanhã railway station is the main intercity and regional rail hub in Porto, Portugal, serving as a key gateway for national and international train connections.
-
B.
Porto São Bento railway station
Porto São Bento railway station is a historic central train station in Porto, Portugal, renowned for its azulejo tile panels and role as a key hub for regional and commuter rail services.
-
C.
Viana do Castelo station
Viana do Castelo station is a railway station in the city of Viana do Castelo, Portugal, serving as a key stop on the Minho Line that connects Porto to the northern border with Spain.
-
D.
Estoril railway station
Estoril railway station is a coastal train stop on Portugal’s Cascais Line, serving the seaside resort town of Estoril and its surrounding area.
-
E.
Guimarães railway station
Guimarães railway station is a key passenger rail hub in northern Portugal serving the historic city of Guimarães with regional and intercity train connections.
- 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_69d85a1849f48190bf898068b2806fae |
completed | April 10, 2026, 2:02 a.m. |
| NER | Named-entity recognition | batch_69e03ebe7b1081908e6b9e6e128a8d5d |
completed | April 16, 2026, 1:43 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff21a18c548190b8591776828c1793 |
completed | May 9, 2026, 11:59 a.m. |
Created at: April 10, 2026, 3:20 a.m.