Triple
T4466771
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Itaipu Dam |
E98397
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Itaipu Binacional
Itaipu Binacional is a bi-national company jointly owned by Brazil and Paraguay that manages and operates the Itaipu hydroelectric power plant, one of the largest in the world.
|
E98397
|
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: Itaipu Binacional | Statement: [Itaipu Dam, operator, Itaipu Binacional]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Itaipu Binacional Context triple: [Itaipu Dam, operator, Itaipu Binacional]
-
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.
Paraná River hydroelectric system
The Paraná River hydroelectric system is a network of large dams and power stations along the Paraná River that collectively form one of South America’s most important sources of renewable electricity.
-
E.
Cahora Bassa Dam
Cahora Bassa Dam is a major hydroelectric dam in Mozambique that forms one of Africa’s largest artificial lakes and supplies significant power to the region.
- 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: Itaipu Binacional Triple: [Itaipu Dam, operator, Itaipu Binacional]
Generated description
Itaipu Binacional is a bi-national company jointly owned by Brazil and Paraguay that manages and operates the Itaipu hydroelectric power plant, one of the largest in the world.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Itaipu Binacional Target entity description: Itaipu Binacional is a bi-national company jointly owned by Brazil and Paraguay that manages and operates the Itaipu hydroelectric power plant, one of the largest in the world.
-
A.
Itaipu Dam
chosen
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.
Paraná River hydroelectric system
The Paraná River hydroelectric system is a network of large dams and power stations along the Paraná River that collectively form one of South America’s most important sources of renewable electricity.
-
E.
Cahora Bassa Dam
Cahora Bassa Dam is a major hydroelectric dam in Mozambique that forms one of Africa’s largest artificial lakes and supplies significant power to the region.
- F. None of above.
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_69b3454b4ae481908967426dd37284d6 |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b3569a38e88190a8d590931c4a7c96 |
completed | March 13, 2026, 12:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b62860151c8190b43465537b154f00 |
completed | March 15, 2026, 3:32 a.m. |
| NEDg | Description generation | batch_69b62c3bf15c8190826f93c4c43733e6 |
completed | March 15, 2026, 3:49 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b62cbaef8c8190b5d89a607c76eaf7 |
completed | March 15, 2026, 3:51 a.m. |
Created at: March 12, 2026, 11:34 p.m.