Triple
T8080868
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Foz do Chapecó Dam |
E188610
|
entity |
| Predicate | hasReservoir |
P1025
|
FINISHED |
| Object |
Foz do Chapecó Reservoir
Foz do Chapecó Reservoir is an artificial lake in southern Brazil formed by the Foz do Chapecó hydroelectric dam on the Uruguay River, used primarily for power generation and water regulation.
|
E188610
|
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: Foz do Chapecó Reservoir | Statement: [Foz do Chapecó Dam, hasReservoir, Foz do Chapecó Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Foz do Chapecó Reservoir Context triple: [Foz do Chapecó Dam, hasReservoir, Foz do Chapecó Reservoir]
-
A.
Foz do Chapecó Dam
Foz do Chapecó Dam is a hydroelectric power plant and dam complex located on the Uruguay River in southern Brazil, known for its significant contribution to regional electricity generation.
-
B.
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.
-
C.
Angostura Reservoir
Angostura Reservoir is a man-made lake in South Dakota used primarily for irrigation, recreation, and wildlife habitat.
-
D.
Águas de Chapecó
Águas de Chapecó is a small municipality in the state of Santa Catarina, Brazil, known for its location along the Uruguay River and proximity to major hydroelectric infrastructure.
-
E.
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.
- 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: Foz do Chapecó Reservoir Triple: [Foz do Chapecó Dam, hasReservoir, Foz do Chapecó Reservoir]
Generated description
Foz do Chapecó Reservoir is an artificial lake in southern Brazil formed by the Foz do Chapecó hydroelectric dam on the Uruguay River, used primarily for power generation and water regulation.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Foz do Chapecó Reservoir Target entity description: Foz do Chapecó Reservoir is an artificial lake in southern Brazil formed by the Foz do Chapecó hydroelectric dam on the Uruguay River, used primarily for power generation and water regulation.
-
A.
Foz do Chapecó Dam
chosen
Foz do Chapecó Dam is a hydroelectric power plant and dam complex located on the Uruguay River in southern Brazil, known for its significant contribution to regional electricity generation.
-
B.
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.
-
C.
Angostura Reservoir
Angostura Reservoir is a man-made lake in South Dakota used primarily for irrigation, recreation, and wildlife habitat.
-
D.
Águas de Chapecó
Águas de Chapecó is a small municipality in the state of Santa Catarina, Brazil, known for its location along the Uruguay River and proximity to major hydroelectric infrastructure.
-
E.
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.
- 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_69ca82b662e88190b9323daab8c28a21 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb40a504d48190ace96e814d99b182 |
completed | March 31, 2026, 3:33 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cc93eddef48190b5f499a5b52428c8 |
completed | April 1, 2026, 3:41 a.m. |
| NEDg | Description generation | batch_69cc9557c6148190a759021b6add0a61 |
completed | April 1, 2026, 3:47 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cc96a8bb688190a352de1798b380f1 |
completed | April 1, 2026, 3:53 a.m. |
Created at: March 30, 2026, 5:28 p.m.