Triple
T16972906
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Madrid metropolitan area |
E411731
|
entity |
| Predicate | hasMajorRailStation |
P1071
|
FINISHED |
| Object | Madrid Chamartín railway station |
E145156
|
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: Madrid Chamartín railway station | Statement: [Madrid metropolitan area, hasMajorRailStation, Madrid Chamartín railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Madrid Chamartín railway station Context triple: [Madrid metropolitan area, hasMajorRailStation, Madrid Chamartín railway station]
-
A.
Madrid Chamartín railway station
chosen
Madrid Chamartín railway station is one of Madrid’s main rail hubs, serving long-distance, high-speed, and commuter trains and connecting the city with numerous national and regional destinations.
-
B.
Madrid Atocha railway station
Madrid Atocha railway station is the largest and one of the busiest train stations in Madrid, serving as a central hub for high-speed, regional, and commuter rail services across Spain.
-
C.
Valdemoro railway station
Valdemoro railway station is a suburban rail station in Valdemoro, Spain, serving as part of the Cercanías Madrid commuter rail network.
-
D.
Lo Prado station
Lo Prado station is an underground stop on Santiago, Chile’s Metro system serving the Lo Prado commune along Line 5.
-
E.
Chamartín metro station
Chamartín metro station is a major Madrid Metro interchange located beneath the Chamartín railway station, connecting several metro lines with regional and long-distance train services.
- 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_69d886ca8f348190812768ea8d5055ce |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3d0ae47f08190a13e98d20aba7f16 |
completed | April 18, 2026, 6:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0139eb7e388190978397aa9176a893 |
completed | May 11, 2026, 2:07 a.m. |
Created at: April 10, 2026, 5:31 a.m.