Triple
T13921980
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vila Nova de Gaia-Devesas railway station |
E334769
|
entity |
| Predicate | servedUrbanArea |
P12103
|
FINISHED |
| Object | Porto metropolitan area |
E699871
|
NE FINISHED |
How this triple was built (3 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 metropolitan area | Statement: [Vila Nova de Gaia-Devesas railway station, servedUrbanArea, Porto metropolitan area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Porto metropolitan area Context triple: [Vila Nova de Gaia-Devesas railway station, servedUrbanArea, Porto metropolitan area]
-
A.
Lisbon metropolitan area
The Lisbon metropolitan area is Portugal’s largest urban region, centered on the capital city of Lisbon and encompassing its surrounding municipalities as a major hub of culture, economy, and transportation.
-
B.
Coimbra metropolitan area
The Coimbra metropolitan area is an urban and economic region in central Portugal centered on the historic city of Coimbra and its surrounding municipalities.
-
C.
Metropolitan Area of Porto
chosen
The Metropolitan Area of Porto is a major urban and economic region in northern Portugal centered on the city of Porto and encompassing several surrounding municipalities, including Vila Nova de Gaia.
-
D.
Lisbon–Porto
Lisbon–Porto is the main intercity rail corridor in Portugal, linking the capital Lisbon with the northern city of Porto.
-
E.
Metropolitan Portugal
Metropolitan Portugal is the European mainland portion of the Portuguese state, distinct from its overseas territories and regions.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: servedUrbanArea Context triple: [Vila Nova de Gaia-Devesas railway station, servedUrbanArea, Porto metropolitan area]
-
A.
relatedUrbanArea
Indicates that one urban area is geographically or functionally associated with another urban area, such as being nearby, connected, or part of the same broader metropolitan context.
-
B.
cityServedRegion
Indicates that a city provides services to, or functions as an administrative or economic center for, a specified region.
-
C.
containsUrbanArea
Indicates that a geographic region fully or partially encompasses an urbanized area within its boundaries.
-
D.
significantUrbanArea
Indicates that a location is classified as a major or important urban center within a broader geographic or administrative context.
-
E.
withinUrbanArea
chosen
Indicates that one entity is located inside the spatial boundaries of an urban area associated with another entity.
- F. None of above.
Provenance (4 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_69d81c5f739081908bc05b2461f54828 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de2aa5c1f481908a9d8786872f08fe |
completed | April 14, 2026, 11:53 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fba1c45ba4819096233570d8d4afec |
completed | May 6, 2026, 8:17 p.m. |
| PD | Predicate disambiguation | batch_69de059e4ba881908554f72e889719fa |
completed | April 14, 2026, 9:15 a.m. |
Created at: April 9, 2026, 10:16 p.m.