Triple

T12337894
Position Surface form Disambiguated ID Type / Status
Subject Universidad station E294138 entity
Predicate hasAdjacentStation P231 FINISHED
Object Piñero station
Piñero station is a rapid transit station on the Tren Urbano system in San Juan, Puerto Rico.
 E987655 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: Piñero station | Statement: [Universidad station, hasAdjacentStation, Piñero station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Piñero station
Context triple: [Universidad station, hasAdjacentStation, Piñero station]
  • A. Echeverría station
    Echeverría station is a stop on Buenos Aires' Line B subway, serving the Villa Urquiza neighborhood in the northern part of the city.
  • B. Nicolás Arriola station
    Nicolás Arriola station is a passenger station on Line 1 of the Lima Metro system in Lima, Peru.
  • C. Pino Suárez station
    Pino Suárez station is a major Mexico City Metro interchange hub located in the historic center, connecting multiple lines and serving as a key transit point for commuters.
  • D. José León Suárez station
    José León Suárez station is a suburban railway terminus in the Buenos Aires metropolitan area, serving as the endpoint of one of the branches of Argentina’s Mitre Line.
  • E. Valle Gómez station
    Valle Gómez station is a stop on Mexico City’s Metro system located in the northeastern part of the city, serving local residential neighborhoods along Line 5.
  • 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: Piñero station
Triple: [Universidad station, hasAdjacentStation, Piñero station]
Generated description
Piñero station is a rapid transit station on the Tren Urbano system in San Juan, Puerto Rico.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Piñero station
Target entity description: Piñero station is a rapid transit station on the Tren Urbano system in San Juan, Puerto Rico.
  • A. Echeverría station
    Echeverría station is a stop on Buenos Aires' Line B subway, serving the Villa Urquiza neighborhood in the northern part of the city.
  • B. Nicolás Arriola station
    Nicolás Arriola station is a passenger station on Line 1 of the Lima Metro system in Lima, Peru.
  • C. Pino Suárez station
    Pino Suárez station is a major Mexico City Metro interchange hub located in the historic center, connecting multiple lines and serving as a key transit point for commuters.
  • D. José León Suárez station
    José León Suárez station is a suburban railway terminus in the Buenos Aires metropolitan area, serving as the endpoint of one of the branches of Argentina’s Mitre Line.
  • E. Valle Gómez station
    Valle Gómez station is a stop on Mexico City’s Metro system located in the northeastern part of the city, serving local residential neighborhoods along Line 5.
  • 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_69d6ab6ae0dc8190b1522a9c1c55c114 completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d93f678698819091462b44ff3435f6 completed April 10, 2026, 6:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69f64b8ed1dc81908a0066d7cbfda086 completed May 2, 2026, 7:07 p.m.
NEDg Description generation batch_69f64d15a97c81909046190f0d0fd986 completed May 2, 2026, 7:14 p.m.
NED2 Entity disambiguation (via description) batch_69f64e6d311c8190b851b89e394165d0 completed May 2, 2026, 7:20 p.m.
Created at: April 8, 2026, 9:53 p.m.