Triple
T21469193
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tietê-Pinheiros Canal system |
E529679
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | São Paulo urban drainage system |
—
|
NE NERFINISHED |
How this triple was built (3 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: São Paulo urban drainage system | Statement: [Tietê-Pinheiros Canal system, partOf, São Paulo urban drainage system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: São Paulo urban drainage system Context triple: [Tietê-Pinheiros Canal system, partOf, São Paulo urban drainage system]
-
A.
Tietê-Pinheiros Canal system
The Tietê-Pinheiros Canal system is an extensive network of engineered waterways in the São Paulo metropolitan area that channels and regulates the flow of the Tietê and Pinheiros rivers for flood control, urban drainage, and water management.
-
B.
Curitiba park system
The Curitiba park system is an extensive network of urban parks and green spaces in Curitiba, Brazil, renowned for its innovative integration of recreation, environmental preservation, and flood control.
-
C.
Recife urban hydrological network
The Recife urban hydrological network is the interconnected system of rivers, canals, and drainage waterways that shapes the city’s water management, flood dynamics, and coastal environment.
-
D.
Bogotá water supply system
The Bogotá water supply system is the integrated network of reservoirs, treatment plants, and distribution infrastructure that provides potable water to Colombia’s capital and its metropolitan area.
-
E.
Carioca Aqueduct
The Carioca Aqueduct, popularly known as the Lapa Arches, is a historic 18th-century aqueduct and iconic Roman-style arcade in Rio de Janeiro that now serves as a landmark bridge for the city’s tram system.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: São Paulo urban drainage system Target entity description: The São Paulo urban drainage system is an extensive network of canals, rivers, and infrastructure designed to manage stormwater and reduce flooding across the metropolitan region.
-
A.
Tietê-Pinheiros Canal system
chosen
The Tietê-Pinheiros Canal system is an extensive network of engineered waterways in the São Paulo metropolitan area that channels and regulates the flow of the Tietê and Pinheiros rivers for flood control, urban drainage, and water management.
-
B.
Curitiba park system
The Curitiba park system is an extensive network of urban parks and green spaces in Curitiba, Brazil, renowned for its innovative integration of recreation, environmental preservation, and flood control.
-
C.
Recife urban hydrological network
The Recife urban hydrological network is the interconnected system of rivers, canals, and drainage waterways that shapes the city’s water management, flood dynamics, and coastal environment.
-
D.
Bogotá water supply system
The Bogotá water supply system is the integrated network of reservoirs, treatment plants, and distribution infrastructure that provides potable water to Colombia’s capital and its metropolitan area.
-
E.
Carioca Aqueduct
The Carioca Aqueduct, popularly known as the Lapa Arches, is a historic 18th-century aqueduct and iconic Roman-style arcade in Rio de Janeiro that now serves as a landmark bridge for the city’s tram system.
- F. None of above.
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_69e0c459acb481909bb6ee452a0045c7 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69e9e9f58f6c8190a3d2fc8f820a9925 |
completed | April 23, 2026, 9:44 a.m. |
Created at: April 16, 2026, 6:16 p.m.