Triple

T16898589
Position Surface form Disambiguated ID Type / Status
Subject C-3 line of Cercanías Madrid E424374 entity
Predicate usesStation P726 FINISHED
Object 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: Chamartín railway station | Statement: [C-3 line of Cercanías Madrid, usesStation, Chamartín railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chamartín railway station
Context triple: [C-3 line of Cercanías Madrid, usesStation, Chamartín railway station]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Moncloa metro station
    Moncloa metro station is a major Madrid Metro hub and transport interchange serving the Moncloa district in western Madrid.
  • 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_69d889da3e8c8190a2b118f383f0beac completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e3c8da7b0481909111358871875023 completed April 18, 2026, 6:09 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00cfcd0db8819080d415a18b3435e2 completed May 10, 2026, 6:34 p.m.
Created at: April 10, 2026, 5:29 a.m.