Triple

T8181521
Position Surface form Disambiguated ID Type / Status
Subject San Martín Line E191072 entity
Predicate terminus P388 FINISHED
Object Retiro San Martín station
Retiro San Martín station is a major railway terminus in Buenos Aires, Argentina, serving as the central hub for the San Martín Line and connecting the city with its western suburbs and beyond.
 E765890 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: Retiro San Martín station | Statement: [San Martín Line, terminus, Retiro San Martín station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Retiro San Martín station
Context triple: [San Martín Line, terminus, Retiro San Martín station]
  • A. Bartolomé Mitre station
    Bartolomé Mitre station is a railway terminus in Buenos Aires, Argentina, serving as the endpoint of one of the branches of the Mitre Line suburban rail network.
  • B. Plaza de Mayo station
    Plaza de Mayo station is a central Buenos Aires Underground (Subte) stop located near the historic Plaza de Mayo, serving as a key access point to the city's political and cultural heart.
  • C. Federico Lacroze station
    Federico Lacroze station is a major Buenos Aires Underground stop in the Chacarita neighborhood, serving as an important transport hub that connects subway services with suburban rail lines.
  • D. Juan Manuel de Rosas–Villa Urquiza station
    Juan Manuel de Rosas–Villa Urquiza station is a terminal station on the Buenos Aires Underground (Subte) network, serving the Villa Urquiza neighborhood of Argentina’s capital.
  • E. Plaza de Maipú station
    Plaza de Maipú station is a western terminal station of the Santiago Metro that serves the Maipú commune in Chile’s capital.
  • 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: Retiro San Martín station
Triple: [San Martín Line, terminus, Retiro San Martín station]
Generated description
Retiro San Martín station is a major railway terminus in Buenos Aires, Argentina, serving as the central hub for the San Martín Line and connecting the city with its western suburbs and beyond.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Retiro San Martín station
Target entity description: Retiro San Martín station is a major railway terminus in Buenos Aires, Argentina, serving as the central hub for the San Martín Line and connecting the city with its western suburbs and beyond.
  • A. Bartolomé Mitre station
    Bartolomé Mitre station is a railway terminus in Buenos Aires, Argentina, serving as the endpoint of one of the branches of the Mitre Line suburban rail network.
  • B. Plaza de Mayo station
    Plaza de Mayo station is a central Buenos Aires Underground (Subte) stop located near the historic Plaza de Mayo, serving as a key access point to the city's political and cultural heart.
  • C. Federico Lacroze station
    Federico Lacroze station is a major Buenos Aires Underground stop in the Chacarita neighborhood, serving as an important transport hub that connects subway services with suburban rail lines.
  • D. Juan Manuel de Rosas–Villa Urquiza station
    Juan Manuel de Rosas–Villa Urquiza station is a terminal station on the Buenos Aires Underground (Subte) network, serving the Villa Urquiza neighborhood of Argentina’s capital.
  • E. Plaza de Maipú station
    Plaza de Maipú station is a western terminal station of the Santiago Metro that serves the Maipú commune in Chile’s capital.
  • 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_69ca82c4538081909404325aa5639483 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb4c4c2e388190b86854f8b1765e61 completed March 31, 2026, 4:23 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfb9eaebb88190b127905f58fd5c79 completed April 3, 2026, 1 p.m.
NEDg Description generation batch_69cfba99abd88190bd3ec4ea1400f23d completed April 3, 2026, 1:03 p.m.
NED2 Entity disambiguation (via description) batch_69cfbb86d43c81909090169dfb2f31fb completed April 3, 2026, 1:07 p.m.
Created at: March 30, 2026, 5:40 p.m.