Triple
T16789589
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vanguard 2 |
E408069
|
entity |
| Predicate | precededBy |
P97
|
FINISHED |
| Object | Vanguard 1 |
E15283
|
NE FINISHED |
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Vanguard 1 Context triple: [Vanguard 2, precededBy, Vanguard 1]
-
A.
Vanguard 1 satellite
chosen
Vanguard 1 satellite is an early American artificial Earth satellite launched in 1958 that became the fourth human-made object in space and the oldest still in orbit, used primarily for geophysical and atmospheric research.
-
B.
Vanguard 3
Vanguard 3 was an early American scientific satellite launched in 1959 to study Earth's magnetic field, radiation environment, and upper atmosphere as part of the Vanguard program.
-
C.
Sputnik 1
Sputnik 1 was the first artificial Earth satellite, launched by the Soviet Union in 1957 and marking the beginning of the space age.
-
D.
Pioneer 1
Pioneer 1 was an early U.S. lunar probe launched in 1958 as part of NASA’s first series of deep-space exploration missions.
-
E.
Explorer 1
Explorer 1 was the first successful United States satellite, launched in 1958 and notable for discovering the Van Allen radiation belts.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69d8839270588190886720d9519bbf8f |
elicitation | completed |
| NER | batch_69e3b2a50e18819090a30e1f38e520e0 |
ner | completed |
| NED1 | batch_6a00c29bcfe08190a281446f174a94f6 |
ned_source_triple | completed |
Created at: April 10, 2026, 5:22 a.m.