Triple
T12883224
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nine railway station |
E308155
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Urbanos do Porto suburban trains |
E63891
|
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: Urbanos do Porto suburban trains | Statement: [Nine railway station, servedBy, Urbanos do Porto suburban trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Urbanos do Porto suburban trains Context triple: [Nine railway station, servedBy, Urbanos do Porto suburban trains]
-
A.
Porto Metro
Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
-
B.
Urbanos do Porto
chosen
Urbanos do Porto is a suburban rail service network in the Porto metropolitan area of Portugal, operated under the national railway company Comboios de Portugal.
-
C.
CP Urban Services of Porto Braga line
CP Urban Services of Porto Braga line is a suburban rail service in northern Portugal that connects the cities of Porto and Braga as part of the Porto urban rail network.
-
D.
Ferrocarril Suburbano
Ferrocarril Suburbano is a commuter rail system serving the Mexico City metropolitan area, connecting the city center with several northern suburbs.
-
E.
Trensurb metropolitan train
The Trensurb metropolitan train is an urban rail transit system serving the Porto Alegre metropolitan region in Rio Grande do Sul, Brazil.
- 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_69d7bdf7c1f0819098102569a8d8cbf5 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d970fd15888190baf90fc30f2a3e25 |
completed | April 10, 2026, 9:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6a5556fe081909ada9d491b21b17b |
completed | May 3, 2026, 1:31 a.m. |
Created at: April 9, 2026, 5:39 p.m.