Triple
T12883091
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Porto Metro |
E308152
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Metro do Porto, S.A. |
E308152
|
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: Metro do Porto, S.A. | Statement: [Porto Metro, owner, Metro do Porto, S.A.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro do Porto, S.A. Context triple: [Porto Metro, owner, Metro do Porto, S.A.]
-
A.
Metropolitan Transport Authority of Lisbon
The Metropolitan Transport Authority of Lisbon is the regional body responsible for planning, coordinating, and regulating public transportation services across the Lisbon metropolitan area.
-
B.
Porto Metro
chosen
Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
-
C.
Comboios de Portugal (CP)
Comboios de Portugal (CP) is Portugal’s state-owned national railway company, responsible for operating most passenger train services across the country.
-
D.
Companhia Real dos Caminhos de Ferro Portugueses
Companhia Real dos Caminhos de Ferro Portugueses was the royal chartered company that operated and expanded much of Portugal’s mainline railway network in the late 19th and early 20th centuries.
-
E.
Lisbon Metro
Lisbon Metro is the rapid transit system serving Portugal’s capital, providing an extensive network of underground and suburban rail lines across the Lisbon metropolitan area.
- 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_69d7bdf69bc48190af6c2621f28ca351 |
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_69f6af55623081909fd171129f439302 |
completed | May 3, 2026, 2:13 a.m. |
Created at: April 9, 2026, 5:39 p.m.