Triple

T20606587

Position	Surface form	Disambiguated ID	Type / Status
Subject	Province of Central Java	`E506325`	entity
Predicate	containsRiver	`P165`	FINISHED
Object	Serayu 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: Serayu River | Statement: [Province of Central Java, containsRiver, Serayu River]

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

Target entity: Serayu River
Context triple: [Province of Central Java, containsRiver, Serayu River]

A. Didessa River
The Didessa River is a significant tributary of the Blue Nile in western Ethiopia, known for draining a large portion of the Oromia highlands.
B. Ethiope River
The Ethiope River is a clear, spring-fed river in southern Nigeria renowned for its cultural significance to the Urhobo people and its unique source emerging from the roots of a giant tree.
C. Gilgel Abay River
The Gilgel Abay River is a major Ethiopian river that drains the southwestern highlands and serves as one of the principal tributaries feeding Lake Tana, the source of the Blue Nile.
D. Shabelle River
The Shabelle River is a major river in the Horn of Africa that flows through Ethiopia into Somalia, playing a crucial role in irrigation, agriculture, and livelihoods in the region.
E. River Derg
River Derg is a river in County Tyrone, Northern Ireland, known for flowing through the town of Castlederg and contributing to the local landscape and ecology.
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: Serayu River
Target entity description: The Serayu River is a major river in Central Java, Indonesia, known for its role in regional irrigation, agriculture, and hydropower.

A. Didessa River
The Didessa River is a significant tributary of the Blue Nile in western Ethiopia, known for draining a large portion of the Oromia highlands.
B. Ethiope River
The Ethiope River is a clear, spring-fed river in southern Nigeria renowned for its cultural significance to the Urhobo people and its unique source emerging from the roots of a giant tree.
C. Gilgel Abay River
The Gilgel Abay River is a major Ethiopian river that drains the southwestern highlands and serves as one of the principal tributaries feeding Lake Tana, the source of the Blue Nile.
D. Shabelle River
The Shabelle River is a major river in the Horn of Africa that flows through Ethiopia into Somalia, playing a crucial role in irrigation, agriculture, and livelihoods in the region.
E. River Derg
River Derg is a river in County Tyrone, Northern Ireland, known for flowing through the town of Castlederg and contributing to the local landscape and ecology.
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_69e0b4bb2b4081908fa4a72444120f35`	completed	April 16, 2026, 10:06 a.m.
NER	Named-entity recognition	`batch_69e6aad394e8819080185187a8b3de93`	completed	April 20, 2026, 10:38 p.m.

Created at: April 16, 2026, 11:41 a.m.