Triple

T1699299
Position Surface form Disambiguated ID Type / Status
Subject Buenos Aires Underground E36731 entity
Predicate managingAuthority P9686 FINISHED
Object Subterráneos de Buenos Aires S.E.
Subterráneos de Buenos Aires S.E. is the state-owned company responsible for operating and maintaining the subway system in Buenos Aires, Argentina.
 E36731 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: Subterráneos de Buenos Aires S.E. | Statement: [Buenos Aires Underground, managingAuthority, Subterráneos de Buenos Aires S.E.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Subterráneos de Buenos Aires S.E.
Context triple: [Buenos Aires Underground, managingAuthority, Subterráneos de Buenos Aires S.E.]
  • A. Buenos Aires Underground
    Buenos Aires Underground is the rapid transit system serving Argentina’s capital, known as the oldest subway network in Latin America and a key component of the city’s public transportation.
  • B. Autonomous City of Buenos Aires
    The Autonomous City of Buenos Aires is Argentina’s capital and largest city, a major political, cultural, and economic center in South America.
  • C. Subte
    Subte is the rapid transit metro system serving Buenos Aires, Argentina, and one of the oldest underground rail networks in Latin America.
  • D. Valparaíso Metro
    Valparaíso Metro is a rapid transit and commuter rail system serving Chile’s coastal Valparaíso Region, connecting key cities and communities along the bay.
  • E. Belgrano II Base
    Belgrano II Base is an Argentine research station in Antarctica that supports year-round scientific and logistical operations in one of the continent’s southernmost regions.
  • 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: Subterráneos de Buenos Aires S.E.
Triple: [Buenos Aires Underground, managingAuthority, Subterráneos de Buenos Aires S.E.]
Generated description
Subterráneos de Buenos Aires S.E. is the state-owned company responsible for operating and maintaining the subway system in Buenos Aires, Argentina.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Subterráneos de Buenos Aires S.E.
Target entity description: Subterráneos de Buenos Aires S.E. is the state-owned company responsible for operating and maintaining the subway system in Buenos Aires, Argentina.
  • A. Buenos Aires Underground chosen
    Buenos Aires Underground is the rapid transit system serving Argentina’s capital, known as the oldest subway network in Latin America and a key component of the city’s public transportation.
  • B. Autonomous City of Buenos Aires
    The Autonomous City of Buenos Aires is Argentina’s capital and largest city, a major political, cultural, and economic center in South America.
  • C. Subte
    Subte is the rapid transit metro system serving Buenos Aires, Argentina, and one of the oldest underground rail networks in Latin America.
  • D. Valparaíso Metro
    Valparaíso Metro is a rapid transit and commuter rail system serving Chile’s coastal Valparaíso Region, connecting key cities and communities along the bay.
  • E. Belgrano II Base
    Belgrano II Base is an Argentine research station in Antarctica that supports year-round scientific and logistical operations in one of the continent’s southernmost regions.
  • F. None of above.

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_69a886163dec8190859c514232a37a05 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aa62d3c57c81908887844e885062e3 completed March 6, 2026, 5:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad8ac9ed2c81909fe3fe40515526de completed March 8, 2026, 2:42 p.m.
NEDg Description generation batch_69ad957778a0819080f7fee35f5d8ed5 completed March 8, 2026, 3:27 p.m.
NED2 Entity disambiguation (via description) batch_69ad97aa308c81909f245a2133fc471b completed March 8, 2026, 3:37 p.m.
Created at: March 4, 2026, 7:30 p.m.