Triple

T21469219
Position Surface form Disambiguated ID Type / Status
Subject Tietê-Pinheiros Canal system E529679 entity
Predicate purpose P79 FINISHED
Object improve drainage capacity of Pinheiros River
The effort to improve the drainage capacity of the Pinheiros River is a flood-control and water-management initiative aimed at increasing the river’s ability to handle stormwater and reduce inundation in the surrounding urban area.
E1486340 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: improve drainage capacity of Pinheiros River | Statement: [Tietê-Pinheiros Canal system, purpose, improve drainage capacity of Pinheiros River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: improve drainage capacity of Pinheiros River
Context triple: [Tietê-Pinheiros Canal system, purpose, improve drainage capacity of Pinheiros River]
  • A. Nag River Rejuvenation Project
    The Nag River Rejuvenation Project is an environmental infrastructure initiative aimed at cleaning, restoring, and sustainably managing the heavily polluted Nag River and its surrounding ecosystem.
  • B. Projeto de Integração do Rio São Francisco
    O Projeto de Integração do Rio São Francisco é uma grande obra de infraestrutura hídrica brasileira destinada a transpor águas do Rio São Francisco para regiões semiáridas do Nordeste, visando garantir abastecimento humano, desenvolvimento econômico e segurança hídrica.
  • C. Sac River flood control project
    The Sac River flood control project is a U.S. Army Corps of Engineers initiative in southwestern Missouri designed to reduce flooding along the Sac River and its tributaries through infrastructure such as Stockton Lake and its dam.
  • D. Muddy River Restoration Project
    The Muddy River Restoration Project is an environmental and flood-control initiative focused on rehabilitating the Muddy River’s ecosystem, improving water quality, and reducing storm-related flooding in its surrounding urban areas.
  • E. 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.
  • 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: improve drainage capacity of Pinheiros River
Triple: [Tietê-Pinheiros Canal system, purpose, improve drainage capacity of Pinheiros River]
Generated description
The effort to improve the drainage capacity of the Pinheiros River is a flood-control and water-management initiative aimed at increasing the river’s ability to handle stormwater and reduce inundation in the surrounding urban area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: improve drainage capacity of Pinheiros River
Target entity description: The effort to improve the drainage capacity of the Pinheiros River is a flood-control and water-management initiative aimed at increasing the river’s ability to handle stormwater and reduce inundation in the surrounding urban area.
  • A. Nag River Rejuvenation Project
    The Nag River Rejuvenation Project is an environmental infrastructure initiative aimed at cleaning, restoring, and sustainably managing the heavily polluted Nag River and its surrounding ecosystem.
  • B. Projeto de Integração do Rio São Francisco
    O Projeto de Integração do Rio São Francisco é uma grande obra de infraestrutura hídrica brasileira destinada a transpor águas do Rio São Francisco para regiões semiáridas do Nordeste, visando garantir abastecimento humano, desenvolvimento econômico e segurança hídrica.
  • C. Sac River flood control project
    The Sac River flood control project is a U.S. Army Corps of Engineers initiative in southwestern Missouri designed to reduce flooding along the Sac River and its tributaries through infrastructure such as Stockton Lake and its dam.
  • D. Muddy River Restoration Project
    The Muddy River Restoration Project is an environmental and flood-control initiative focused on rehabilitating the Muddy River’s ecosystem, improving water quality, and reducing storm-related flooding in its surrounding urban areas.
  • E. 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.
  • 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_69e0c459acb481909bb6ee452a0045c7 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69e9e9f58f6c8190a3d2fc8f820a9925 completed April 23, 2026, 9:44 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09cff53c5c8190824b561ed79da378 completed May 17, 2026, 2:25 p.m.
NEDg Description generation batch_6a09d08ffa3c8190b5ab7e4cbf78719f completed May 17, 2026, 2:28 p.m.
NED2 Entity disambiguation (via description) batch_6a09d18c77e481908a353d443d79b7ca completed May 17, 2026, 2:32 p.m.
Created at: April 16, 2026, 6:16 p.m.