Triple

T8104888
Position Surface form Disambiguated ID Type / Status
Subject Plaza de la República E189202 entity
Predicate servedByMetroLine P6301 FINISHED
Object 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.
 E709892 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: Line B of Buenos Aires Underground | Statement: [Plaza de la República, servedByMetroLine, Line B of Buenos Aires Underground]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Line B of Buenos Aires Underground
Context triple: [Plaza de la República, servedByMetroLine, Line B of Buenos Aires Underground]
  • A. 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.
  • B. 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.
  • 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. Nord-Sud Line B
    Nord-Sud Line B was the original name of what is now Paris Métro Line 13, a major north–south subway line in the French capital.
  • E. Santiago Metro Line 2
    Santiago Metro Line 2 is one of the main rapid transit lines in Santiago, Chile, running in a generally north–south direction and serving key residential and commercial areas of the city.
  • 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: Line B of Buenos Aires Underground
Triple: [Plaza de la República, servedByMetroLine, Line B of Buenos Aires Underground]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Line B of Buenos Aires Underground
Target entity description: 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.
  • A. 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.
  • B. 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.
  • 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. Nord-Sud Line B
    Nord-Sud Line B was the original name of what is now Paris Métro Line 13, a major north–south subway line in the French capital.
  • E. Santiago Metro Line 2
    Santiago Metro Line 2 is one of the main rapid transit lines in Santiago, Chile, running in a generally north–south direction and serving key residential and commercial areas of the city.
  • 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_69ca82b9d5848190a24672775d5c5011 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb42c0ce6481909887be82c8019383 completed March 31, 2026, 3:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc6422fb4c8190a5e7bedd323241d7 completed April 1, 2026, 12:17 a.m.
NEDg Description generation batch_69cc6544909c819097529c279926e9cd completed April 1, 2026, 12:22 a.m.
NED2 Entity disambiguation (via description) batch_69cc686f343081908f56809d297fdac0 completed April 1, 2026, 12:35 a.m.
Created at: March 30, 2026, 5:31 p.m.