Triple
T18875469
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Madrid–Valencia railway |
E461671
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Madrid-Chamartín station |
—
|
NE NERFINISHED |
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 station | Statement: [Madrid–Valencia railway, hasStation, Madrid-Chamartín station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Madrid-Chamartín station Context triple: [Madrid–Valencia railway, hasStation, Madrid-Chamartín 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.
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.
-
C.
Lo Prado station
Lo Prado station is an underground stop on Santiago, Chile’s Metro system serving the Lo Prado commune along Line 5.
-
D.
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.
-
E.
Martínez Nadal station
Martínez Nadal station is a rapid transit stop on the Tren Urbano system serving the San Juan metropolitan area in Puerto Rico.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8dcfc3430819095ee6fc0eb4c06a5 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c3ce07788190a179705eb1b6c824 |
completed | April 20, 2026, 6:12 a.m. |
Created at: April 10, 2026, 11:57 a.m.