Triple

T8408834
Position Surface form Disambiguated ID Type / Status
Subject Buenos Aires Underground Line E E198569 entity
Predicate hasInterchangeWith P1018 FINISHED
Object San Martín Line (Buenos Aires commuter rail)
The San Martín Line is a major commuter rail service in Buenos Aires that connects the city center with western suburbs, helping to form part of the metropolitan area's core public transport network.
 E786335 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: San Martín Line (Buenos Aires commuter rail) | Statement: [Buenos Aires Underground Line E, hasInterchangeWith, San Martín Line (Buenos Aires commuter rail)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Martín Line (Buenos Aires commuter rail)
Context triple: [Buenos Aires Underground Line E, hasInterchangeWith, San Martín Line (Buenos Aires commuter rail)]
  • A. Mitre Line (Buenos Aires commuter rail)
    The Mitre Line is a major commuter rail network in Buenos Aires that connects the city center with several northern suburbs and outlying districts.
  • B. Buenos Aires Premetro
    Buenos Aires Premetro is a light rail feeder system in Buenos Aires that connects outlying neighborhoods to the city’s main subway network.
  • C. Buenos Aires commuter rail network
    The Buenos Aires commuter rail network is an extensive suburban railway system that connects the Argentine capital with its surrounding metropolitan area, serving as a major backbone of daily passenger transport.
  • D. Buenos Aires Underground Line A
    Buenos Aires Underground Line A is the oldest line of the Buenos Aires Metro, known for its historic wooden cars and route linking the city center with western neighborhoods.
  • E. Line H (Buenos Aires Underground)
    Line H of the Buenos Aires Underground is a metro line that runs roughly north–south, connecting key neighborhoods and transit hubs across the city as part of its rapid transit 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: San Martín Line (Buenos Aires commuter rail)
Triple: [Buenos Aires Underground Line E, hasInterchangeWith, San Martín Line (Buenos Aires commuter rail)]
Generated description
The San Martín Line is a major commuter rail service in Buenos Aires that connects the city center with western suburbs, helping to form part of the metropolitan area's core public transport network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: San Martín Line (Buenos Aires commuter rail)
Target entity description: The San Martín Line is a major commuter rail service in Buenos Aires that connects the city center with western suburbs, helping to form part of the metropolitan area's core public transport network.
  • A. Mitre Line (Buenos Aires commuter rail)
    The Mitre Line is a major commuter rail network in Buenos Aires that connects the city center with several northern suburbs and outlying districts.
  • B. Buenos Aires Premetro
    Buenos Aires Premetro is a light rail feeder system in Buenos Aires that connects outlying neighborhoods to the city’s main subway network.
  • C. Buenos Aires commuter rail network
    The Buenos Aires commuter rail network is an extensive suburban railway system that connects the Argentine capital with its surrounding metropolitan area, serving as a major backbone of daily passenger transport.
  • D. Buenos Aires Underground Line A
    Buenos Aires Underground Line A is the oldest line of the Buenos Aires Metro, known for its historic wooden cars and route linking the city center with western neighborhoods.
  • E. Line H (Buenos Aires Underground)
    Line H of the Buenos Aires Underground is a metro line that runs roughly north–south, connecting key neighborhoods and transit hubs across the city as part of its rapid transit 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_69ca8310df9c8190b25f16161cca3e41 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cb8315a8a8819097f6da11b909b527 completed March 31, 2026, 8:17 a.m.
NED1 Entity disambiguation (via context triple) batch_69d07719ee048190ac4045017d89e938 completed April 4, 2026, 2:27 a.m.
NEDg Description generation batch_69d0795dd0d08190aeaf04de63671823 completed April 4, 2026, 2:37 a.m.
NED2 Entity disambiguation (via description) batch_69d079a8b0c48190b4b658942b5b149b completed April 4, 2026, 2:38 a.m.
Created at: March 30, 2026, 6:05 p.m.