Triple

T20439186

Position	Surface form	Disambiguated ID	Type / Status
Subject	Ji-Paraná River	`E501336`	entity
Predicate	alsoKnownAs	`P39`	FINISHED
Object	Machado River	`—`	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: Machado River | Statement: [Ji-Paraná River, alsoKnownAs, Machado River]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Machado River
Context triple: [Ji-Paraná River, alsoKnownAs, Machado River]

A. Cachoeira River
The Cachoeira River is a waterway in the city of Joinville, in the state of Santa Catarina, Brazil, playing an important role in the region’s urban landscape and drainage system.
B. Paraibuna River
The Paraibuna River is a waterway in southeastern Brazil that flows through the city of Juiz de Fora in the state of Minas Gerais.
C. Apiacás River
The Apiacás River is a waterway in central-western Brazil that forms part of the Amazon Basin and contributes to the flow of the Juruena River.
D. Doce River
The Doce River is a significant waterway in southeastern Brazil known for its ecological importance and for being the site of one of the country’s worst environmental disasters following a 2015 mining dam collapse.
E. Moxotó River
The Moxotó River is a significant watercourse in northeastern Brazil that feeds into the São Francisco River and helps drain the semi-arid hinterlands of the region.
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: Machado River
Target entity description: The Machado River, also known as the Ji-Paraná River, is a major waterway in the Brazilian state of Rondônia and an important tributary of the Madeira River in the Amazon Basin.

A. Cachoeira River
The Cachoeira River is a waterway in the city of Joinville, in the state of Santa Catarina, Brazil, playing an important role in the region’s urban landscape and drainage system.
B. Paraibuna River
The Paraibuna River is a waterway in southeastern Brazil that flows through the city of Juiz de Fora in the state of Minas Gerais.
C. Apiacás River
The Apiacás River is a waterway in central-western Brazil that forms part of the Amazon Basin and contributes to the flow of the Juruena River.
D. Doce River
The Doce River is a significant waterway in southeastern Brazil known for its ecological importance and for being the site of one of the country’s worst environmental disasters following a 2015 mining dam collapse.
E. Moxotó River
The Moxotó River is a significant watercourse in northeastern Brazil that feeds into the São Francisco River and helps drain the semi-arid hinterlands of the region.
F. None of above. chosen

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_69e0b4ab3cfc8190ac9bf32e932316b1`	completed	April 16, 2026, 10:06 a.m.
NER	Named-entity recognition	`batch_69e685f112e48190a3af818c0f6ee839`	completed	April 20, 2026, 8 p.m.

Created at: April 16, 2026, 11:31 a.m.