Triple

T8181241
Position Surface form Disambiguated ID Type / Status
Subject Line A (Buenos Aires Underground) E191064 entity
Predicate hasStation P35 FINISHED
Object Perú station
Perú station is a historic stop on the Buenos Aires Underground located in the city center, known for serving the busy Line A and connecting to other key transit routes.
 E717930 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: Perú station | Statement: [Line A (Buenos Aires Underground), hasStation, Perú station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Perú station
Context triple: [Line A (Buenos Aires Underground), hasStation, Perú station]
  • A. Bolívar station
    Bolívar station is a stop on the Buenos Aires Underground (Subte) network, serving Line E in the historic center of Argentina’s capital.
  • B. La Paz station
    La Paz station is a Mexico City Metro terminal station serving as the eastern endpoint of Line A in the State of Mexico.
  • C. Niquía station
    Niquía station is a major northern terminal station of the Medellín Metro system, serving as a key access point to the metropolitan area.
  • D. Angamos station
    Angamos station is a passenger stop on Line 1 of the Lima Metro system in Lima, Peru.
  • E. Limache station
    Limache station is a key terminal railway station in the city of Limache, Chile, serving as an important hub on the Valparaíso region’s commuter rail network.
  • 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: Perú station
Triple: [Line A (Buenos Aires Underground), hasStation, Perú station]
Generated description
Perú station is a historic stop on the Buenos Aires Underground located in the city center, known for serving the busy Line A and connecting to other key transit routes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Perú station
Target entity description: Perú station is a historic stop on the Buenos Aires Underground located in the city center, known for serving the busy Line A and connecting to other key transit routes.
  • A. Bolívar station
    Bolívar station is a stop on the Buenos Aires Underground (Subte) network, serving Line E in the historic center of Argentina’s capital.
  • B. La Paz station
    La Paz station is a Mexico City Metro terminal station serving as the eastern endpoint of Line A in the State of Mexico.
  • C. Niquía station
    Niquía station is a major northern terminal station of the Medellín Metro system, serving as a key access point to the metropolitan area.
  • D. Angamos station
    Angamos station is a passenger stop on Line 1 of the Lima Metro system in Lima, Peru.
  • E. Limache station
    Limache station is a key terminal railway station in the city of Limache, Chile, serving as an important hub on the Valparaíso region’s commuter rail network.
  • 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_69cced6fd33081909512adbe559b2c7a completed April 1, 2026, 10:03 a.m.
NEDg Description generation batch_69ccf09b827881908e7fd7e9ff251674 completed April 1, 2026, 10:16 a.m.
NED2 Entity disambiguation (via description) batch_69cd0579b6d08190a5c68d730e1c6284 completed April 1, 2026, 11:46 a.m.
Created at: March 30, 2026, 5:40 p.m.