Triple
T13201586
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chamartín |
E314254
|
entity |
| Predicate | hasTransportHub |
P2413
|
FINISHED |
| Object |
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.
|
E1028222
|
NE FINISHED |
How this triple was built (4 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: Chamartín metro station | Statement: [Chamartín, hasTransportHub, Chamartín metro station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chamartín metro station Context triple: [Chamartín, hasTransportHub, Chamartín metro station]
-
A.
Puerta del Sol metro station
Puerta del Sol metro station is a major underground transport hub in central Madrid, Spain, serving multiple metro and commuter rail lines beneath the famous Puerta del Sol square.
-
B.
Atocha Renfe metro station
Atocha Renfe metro station is a major Madrid Metro stop integrated with the city’s main Atocha railway complex, serving as a key hub for local and regional rail connections.
-
C.
Santiago Bernabéu metro station
Santiago Bernabéu metro station is a Madrid Metro stop on Line 10 that serves the area around the Santiago Bernabéu Stadium in the Chamartín district of Madrid, Spain.
-
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.
Gran Vía metro station
Gran Vía metro station is a major Madrid Metro station in the city center, serving as an important interchange point near the Gran Vía thoroughfare.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Chamartín metro station Triple: [Chamartín, hasTransportHub, Chamartín metro station]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chamartín metro station Target entity description: 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.
-
A.
Puerta del Sol metro station
Puerta del Sol metro station is a major underground transport hub in central Madrid, Spain, serving multiple metro and commuter rail lines beneath the famous Puerta del Sol square.
-
B.
Atocha Renfe metro station
Atocha Renfe metro station is a major Madrid Metro stop integrated with the city’s main Atocha railway complex, serving as a key hub for local and regional rail connections.
-
C.
Santiago Bernabéu metro station
Santiago Bernabéu metro station is a Madrid Metro stop on Line 10 that serves the area around the Santiago Bernabéu Stadium in the Chamartín district of Madrid, Spain.
-
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.
Gran Vía metro station
Gran Vía metro station is a major Madrid Metro station in the city center, serving as an important interchange point near the Gran Vía thoroughfare.
- F. None of above. chosen
Provenance (5 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_69d806aee7308190b70a237ba2a6e3e1 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98c6591d881909a6ebc22246caead |
completed | April 10, 2026, 11:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6ff1a3d68819089ad35f8f9ff5c5a |
completed | May 3, 2026, 7:54 a.m. |
| NEDg | Description generation | batch_69f6ffeec1e8819090e1917fc6449ede |
completed | May 3, 2026, 7:57 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f7017d8d308190bb54958764026325 |
completed | May 3, 2026, 8:04 a.m. |
Created at: April 9, 2026, 9:16 p.m.