Triple

T8618570
Position Surface form Disambiguated ID Type / Status
Subject Buenos Aires commuter rail network E204103 entity
Predicate hasCentralStation P49518 FINISHED
Object Buenos Aires station
Buenos Aires station is a major central railway hub in Buenos Aires, Argentina, serving as a key node in the city's commuter rail network.
 E795401 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: Buenos Aires station | Statement: [Buenos Aires commuter rail network, hasCentralStation, Buenos Aires station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Buenos Aires station
Context triple: [Buenos Aires commuter rail network, hasCentralStation, Buenos Aires 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. Emilio Mitre station
    Emilio Mitre station is a stop on Buenos Aires’ Line E of the underground metro system, serving passengers in the city’s eastern network.
  • C. Entre Ríos station
    Entre Ríos station is a stop on Line E of the Buenos Aires Underground, serving passengers in the central area of Argentina’s capital city.
  • D. 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.
  • E. 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.
  • 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: Buenos Aires station
Triple: [Buenos Aires commuter rail network, hasCentralStation, Buenos Aires station]
Generated description
Buenos Aires station is a major central railway hub in Buenos Aires, Argentina, serving as a key node in the city's commuter rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Buenos Aires station
Target entity description: Buenos Aires station is a major central railway hub in Buenos Aires, Argentina, serving as a key node in the city's commuter rail network.
  • 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. Emilio Mitre station
    Emilio Mitre station is a stop on Buenos Aires’ Line E of the underground metro system, serving passengers in the city’s eastern network.
  • C. Entre Ríos station
    Entre Ríos station is a stop on Line E of the Buenos Aires Underground, serving passengers in the central area of Argentina’s capital city.
  • D. 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.
  • E. 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.
  • 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_69ca832ceab8819096e4a9f546695079 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cc5c2d852081908901f5d2a47035b0 completed March 31, 2026, 11:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69d100a931988190aaff56f16057ea90 completed April 4, 2026, 12:14 p.m.
NEDg Description generation batch_69d10144380481909ef3f68f621c0be7 completed April 4, 2026, 12:17 p.m.
NED2 Entity disambiguation (via description) batch_69d1019faa188190a8945d469a763207 completed April 4, 2026, 12:18 p.m.
Created at: March 30, 2026, 6:26 p.m.