Triple

T8181312
Position Surface form Disambiguated ID Type / Status
Subject Premetro Line E2 E191066 entity
Predicate partOf P40 FINISHED
Object 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.
 E730241 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 Premetro | Statement: [Premetro Line E2, partOf, Buenos Aires Premetro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Buenos Aires Premetro
Context triple: [Premetro Line E2, partOf, Buenos Aires Premetro]
  • A. Buenos Aires Underground public transit system
    The Buenos Aires Underground public transit system is the city’s primary rapid transit network, consisting of multiple subway lines that connect key neighborhoods and serve as a backbone of urban transportation in Argentina’s capital.
  • B. 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.
  • 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 E
    Buenos Aires Underground Line E is one of the lines of the Buenos Aires Metro system, running primarily east–west and connecting central Buenos Aires with southeastern neighborhoods.
  • E. Line B of Buenos Aires Underground
    Line B of the Buenos Aires Underground is a major metro line that runs primarily beneath Avenida Corrientes, connecting the city center with several western neighborhoods and serving key commercial and cultural areas.
  • 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 Premetro
Triple: [Premetro Line E2, partOf, Buenos Aires Premetro]
Generated description
Buenos Aires Premetro is a light rail feeder system in Buenos Aires that connects outlying neighborhoods to the city’s main subway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Buenos Aires Premetro
Target entity description: Buenos Aires Premetro is a light rail feeder system in Buenos Aires that connects outlying neighborhoods to the city’s main subway network.
  • A. Buenos Aires Underground public transit system
    The Buenos Aires Underground public transit system is the city’s primary rapid transit network, consisting of multiple subway lines that connect key neighborhoods and serve as a backbone of urban transportation in Argentina’s capital.
  • B. 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.
  • 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 E
    Buenos Aires Underground Line E is one of the lines of the Buenos Aires Metro system, running primarily east–west and connecting central Buenos Aires with southeastern neighborhoods.
  • E. Line B of Buenos Aires Underground
    Line B of the Buenos Aires Underground is a major metro line that runs primarily beneath Avenida Corrientes, connecting the city center with several western neighborhoods and serving key commercial and cultural areas.
  • 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_69cde72b95b08190834cb6f4da15ce95 completed April 2, 2026, 3:48 a.m.
NEDg Description generation batch_69cdebf81adc81908feb7b19b5b151c3 completed April 2, 2026, 4:09 a.m.
NED2 Entity disambiguation (via description) batch_69cdecc83e408190b9ba1dc8acf5081b completed April 2, 2026, 4:12 a.m.
Created at: March 30, 2026, 5:40 p.m.