Triple
T20689725
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tambo River |
E508516
|
entity |
| Predicate | flowsInto |
P408
|
FINISHED |
| Object | Ucayali River |
—
|
NE NERFINISHED |
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: Ucayali River Context triple: [Tambo River, flowsInto, Ucayali River]
-
A.
Ucayali River
chosen
The Ucayali River is a major Peruvian waterway that, together with the Marañón River, forms the main headwaters of the Amazon River.
-
B.
Marañón River
The Marañón River is a major river in Peru that forms one of the principal headwaters of the Amazon River system.
-
C.
Yavarí River
The Yavarí River is a remote tributary of the Amazon that forms part of the border between Peru and Brazil, flowing through dense tropical rainforest.
-
D.
Japurá River
The Japurá River is a long, sediment-rich river in western Amazonia that flows from Colombia into Brazil, contributing significantly to the water volume and ecological complexity of the Amazon basin.
-
E.
Vaupés River
The Vaupés River is a major tributary of the Rio Negro in northwestern South America, flowing through Colombia and Brazil and serving as an important waterway in the Amazon Basin.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69e0b4c1ed408190b72dd26b1e33f8a1 |
elicitation | completed |
| NER | batch_69e6c10cb5588190acb88f2c82fc593a |
ner | completed |
Created at: April 16, 2026, 12:05 p.m.