Triple
T17623159
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Paraná River hydroelectric system |
E429760
|
entity |
| Predicate | includesReservoir |
P79074
|
FINISHED |
| Object | Itaipu Reservoir |
—
|
NE NERFINISHED |
How this triple was built (2 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: Itaipu Reservoir | Statement: [Paraná River hydroelectric system, includesReservoir, Itaipu Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Itaipu Reservoir Context triple: [Paraná River hydroelectric system, includesReservoir, Itaipu Reservoir]
-
A.
Itaipu Dam
Itaipu Dam is a massive hydroelectric power plant on the Brazil–Paraguay border, once the world’s largest in installed capacity and still one of the most important sources of renewable energy in South America.
-
B.
Yacyretá Dam
The Yacyretá Dam is a large hydroelectric power plant on the border between Argentina and Paraguay that generates electricity by harnessing the flow of the Paraná River.
-
C.
Salto Grande Dam
Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
-
D.
Itaipu Lake
chosen
Itaipu Lake is a vast artificial reservoir on the Paraná River formed by the Itaipu Dam, one of the world’s largest hydroelectric power plants, on the border between Brazil and Paraguay.
-
E.
Belo Monte Dam
The Belo Monte Dam is a massive hydroelectric complex in Brazil’s Amazon region, known for its high power capacity and significant environmental and social controversy.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d889e37f308190a6aa0a69daff86c7 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e46dba664c81909dcaf44779db5565 |
completed | April 19, 2026, 5:52 a.m. |
Created at: April 10, 2026, 5:52 a.m.