Triple
T8181218
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line A (Buenos Aires Underground) |
E191064
|
entity |
| Predicate | isFirstSubwayLineOf |
P25257
|
FINISHED |
| Object | Buenos Aires Underground |
E36731
|
NE FINISHED |
How this triple was built (3 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 Underground | Statement: [Line A (Buenos Aires Underground), isFirstSubwayLineOf, Buenos Aires Underground]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Buenos Aires Underground Context triple: [Line A (Buenos Aires Underground), isFirstSubwayLineOf, Buenos Aires Underground]
-
A.
Buenos Aires Underground
chosen
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.
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.
-
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 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.
Tren Urbano
Tren Urbano is a rapid transit rail system serving the San Juan metropolitan area in Puerto Rico, providing urban mass transportation across key municipalities.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isFirstSubwayLineOf Context triple: [Line A (Buenos Aires Underground), isFirstSubwayLineOf, Buenos Aires Underground]
-
A.
subwayLine
Indicates that there is a subway line connection or service relationship between the referenced entities.
-
B.
hasMetroLine
Indicates that a location or area is served by, or connected to, a specific metro (subway) line.
-
C.
hasSubway
Indicates that a place is served by or contains a subway (metro) system.
-
D.
oldestSubwayLineIn
chosen
Indicates that a subway line is the earliest-built or longest-operating subway line within a specified geographic area or transit system.
-
E.
hasSubwayLineAboveOrBelow
Indicates that one subway line is physically located above or below another subway line, such as on different levels of a transit system.
- F. None of above.
Provenance (4 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_69cdc68ea260819094ae0f87abdd8041 |
completed | April 2, 2026, 1:29 a.m. |
| PD | Predicate disambiguation | batch_69cb36a7952481908f34e3e82f375a84 |
completed | March 31, 2026, 2:51 a.m. |
Created at: March 30, 2026, 5:40 p.m.