Triple
T8408820
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Buenos Aires Underground Line E |
E198569
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object |
General Electric–FIAT–Materfer cars
General Electric–FIAT–Materfer cars are electric multiple-unit subway trains jointly produced by General Electric, FIAT, and Argentine manufacturer Materfer, used on the Buenos Aires Underground.
|
E731433
|
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: General Electric–FIAT–Materfer cars | Statement: [Buenos Aires Underground Line E, hasRollingStock, General Electric–FIAT–Materfer cars]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: General Electric–FIAT–Materfer cars Context triple: [Buenos Aires Underground Line E, hasRollingStock, General Electric–FIAT–Materfer cars]
-
A.
Fiat
Fiat is an Italian automobile manufacturer known for producing compact city cars and mass-market vehicles, now operating as a brand within the multinational automotive group Stellantis.
-
B.
Edsel automobile
The Edsel automobile was a short-lived and commercially unsuccessful car brand produced by Ford in the late 1950s, now remembered as a classic example of a major marketing failure.
-
C.
Fiat BR series
The Fiat BR series was a family of Italian biplane bombers developed in the interwar period and used by the Regia Aeronautica before and during the early years of World War II.
-
D.
MG Cars
MG Cars was a historic British automotive marque best known for its affordable sports cars and roadsters produced throughout much of the 20th century.
-
E.
Fiat CR series
The Fiat CR series is a family of Italian biplane fighter aircraft developed by Fiat in the interwar and World War II era.
- 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: General Electric–FIAT–Materfer cars Triple: [Buenos Aires Underground Line E, hasRollingStock, General Electric–FIAT–Materfer cars]
Generated description
General Electric–FIAT–Materfer cars are electric multiple-unit subway trains jointly produced by General Electric, FIAT, and Argentine manufacturer Materfer, used on the Buenos Aires Underground.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: General Electric–FIAT–Materfer cars Target entity description: General Electric–FIAT–Materfer cars are electric multiple-unit subway trains jointly produced by General Electric, FIAT, and Argentine manufacturer Materfer, used on the Buenos Aires Underground.
-
A.
Fiat
Fiat is an Italian automobile manufacturer known for producing compact city cars and mass-market vehicles, now operating as a brand within the multinational automotive group Stellantis.
-
B.
Edsel automobile
The Edsel automobile was a short-lived and commercially unsuccessful car brand produced by Ford in the late 1950s, now remembered as a classic example of a major marketing failure.
-
C.
Fiat BR series
The Fiat BR series was a family of Italian biplane bombers developed in the interwar period and used by the Regia Aeronautica before and during the early years of World War II.
-
D.
MG Cars
MG Cars was a historic British automotive marque best known for its affordable sports cars and roadsters produced throughout much of the 20th century.
-
E.
Fiat CR series
The Fiat CR series is a family of Italian biplane fighter aircraft developed by Fiat in the interwar and World War II era.
- 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_69ce030dccf08190a70c0abf0bdcf244 |
completed | April 2, 2026, 5:47 a.m. |
| NEDg | Description generation | batch_69ce07808098819087e896b87320aefd |
completed | April 2, 2026, 6:06 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce08759e1c81909c96caf3b571e1ca |
completed | April 2, 2026, 6:11 a.m. |
Created at: March 30, 2026, 6:05 p.m.