Triple
T8655913
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Paraná (state) |
E205414
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object |
Itaipu Lake
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.
|
E748690
|
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 Lake | Statement: [Paraná (state), contains, Itaipu Lake]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Itaipu Lake Context triple: [Paraná (state), contains, Itaipu Lake]
-
A.
Dique do Tororó
Dique do Tororó is a historic urban lake and recreational area in Salvador, Bahia, known for its scenic views and large sculptures of Afro-Brazilian orixás.
-
B.
Angostura Reservoir
Angostura Reservoir is a man-made lake in South Dakota used primarily for irrigation, recreation, and wildlife habitat.
-
C.
Salto Grande Reservoir
Salto Grande Reservoir is a large artificial lake on the Uruguay River, created by the Salto Grande Dam on the border between Argentina and Uruguay, used for hydroelectric power generation, irrigation, and recreation.
-
D.
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.
-
E.
Uru Uru Lake
Uru Uru Lake is a shallow, high-altitude saline lake in the Bolivian Altiplano, known for its ecological importance and vulnerability to pollution and water level fluctuations.
- 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 Lake Triple: [Paraná (state), contains, Itaipu Lake]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Itaipu Lake Target entity description: 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.
-
A.
Dique do Tororó
Dique do Tororó is a historic urban lake and recreational area in Salvador, Bahia, known for its scenic views and large sculptures of Afro-Brazilian orixás.
-
B.
Angostura Reservoir
Angostura Reservoir is a man-made lake in South Dakota used primarily for irrigation, recreation, and wildlife habitat.
-
C.
Salto Grande Reservoir
Salto Grande Reservoir is a large artificial lake on the Uruguay River, created by the Salto Grande Dam on the border between Argentina and Uruguay, used for hydroelectric power generation, irrigation, and recreation.
-
D.
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.
-
E.
Uru Uru Lake
Uru Uru Lake is a shallow, high-altitude saline lake in the Bolivian Altiplano, known for its ecological importance and vulnerability to pollution and water level fluctuations.
- 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_69ca8350897c819086cde7596fbe5fe7 |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cc4844586081909b687e278496eefa |
completed | March 31, 2026, 10:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cecce40c248190b4f2b21a1ecde80b |
completed | April 2, 2026, 8:09 p.m. |
| NEDg | Description generation | batch_69cece8c4bdc8190988990c675f50f86 |
completed | April 2, 2026, 8:16 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cecf3a0e78819082cc7c43eceae309 |
completed | April 2, 2026, 8:19 p.m. |
Created at: March 30, 2026, 6:29 p.m.