Triple
T8181225
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line A (Buenos Aires Underground) |
E191064
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Subterráneos de Buenos Aires (SBASE)
Subterráneos de Buenos Aires (SBASE) is the state-owned company responsible for managing and overseeing the Buenos Aires Underground metro system in Argentina.
|
E716622
|
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 (SBASE) | Statement: [Line A (Buenos Aires Underground), operator, Subterráneos de Buenos Aires (SBASE)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Subterráneos de Buenos Aires (SBASE) Context triple: [Line A (Buenos Aires Underground), operator, Subterráneos de Buenos Aires (SBASE)]
-
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.
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.
-
C.
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.
-
D.
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.
-
E.
Subte
Subte is the rapid transit metro system serving Buenos Aires, Argentina, and one of the oldest underground rail networks in Latin America.
- 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 (SBASE) Triple: [Line A (Buenos Aires Underground), operator, Subterráneos de Buenos Aires (SBASE)]
Generated description
Subterráneos de Buenos Aires (SBASE) is the state-owned company responsible for managing and overseeing the Buenos Aires Underground metro system in Argentina.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Subterráneos de Buenos Aires (SBASE) Target entity description: Subterráneos de Buenos Aires (SBASE) is the state-owned company responsible for managing and overseeing the Buenos Aires Underground metro system in Argentina.
-
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.
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.
-
C.
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.
-
D.
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.
-
E.
Subte
Subte is the rapid transit metro system serving Buenos Aires, Argentina, and one of the oldest underground rail networks in Latin America.
- 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_69ccbf8e8f0c819096f449760ce0d240 |
completed | April 1, 2026, 6:47 a.m. |
| NEDg | Description generation | batch_69ccc315132c8190bb0ad49232ccc3b8 |
completed | April 1, 2026, 7:02 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ccd87585148190a2d8b81ab352d123 |
completed | April 1, 2026, 8:33 a.m. |
Created at: March 30, 2026, 5:40 p.m.