Triple
T2853869
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Portuguese national rail network |
E63153
|
entity |
| Predicate | hasMajorStation |
P1071
|
FINISHED |
| Object | Coimbra-B railway station |
E66846
|
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: Coimbra-B railway station | Statement: [Portuguese national rail network, hasMajorStation, Coimbra-B railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Coimbra-B railway station Context triple: [Portuguese national rail network, hasMajorStation, Coimbra-B railway station]
-
A.
Coimbra-B railway station
chosen
Coimbra-B railway station is a major Portuguese rail hub in the city of Coimbra, serving as a key interchange for long-distance and regional train services operated by Comboios de Portugal.
-
B.
Porto Campanhã railway station
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.
-
C.
Braga railway station
Braga railway station is the main rail hub in the city of Braga, Portugal, serving as a northern terminus for high-speed and regional train services.
-
D.
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.
-
E.
Albufeira-Ferreiras station
Albufeira-Ferreiras station is the main railway station serving the coastal resort city of Albufeira in Portugal’s Algarve region.
- 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_69ab4c407c408190857d25e027155ce9 |
completed | March 6, 2026, 9:50 p.m. |
| NER | Named-entity recognition | batch_69abdf5f21348190a574fa86bc71c76f |
completed | March 7, 2026, 8:18 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b08644192481909cb5ec394148adf4 |
completed | March 10, 2026, 8:59 p.m. |
Created at: March 6, 2026, 10:02 p.m.