Triple

T18587641

Position	Surface form	Disambiguated ID	Type / Status
Subject	CFT	`E454278`	entity
Predicate	mayAlsoStandFor	`P590`	FINISHED
Object	Counterflow turbine	`—`	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: Counterflow turbine | Statement: [CFT, mayAlsoStandFor, Counterflow turbine]

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

Target entity: Counterflow turbine
Context triple: [CFT, mayAlsoStandFor, Counterflow turbine]

A. Francis turbine
A Francis turbine is a widely used reaction water turbine designed for medium-head hydroelectric power generation, known for its high efficiency and suitability for large dams.
B. Walter turbine
The Walter turbine is a World War II-era German propulsion system that used high-test peroxide to power submarines at high underwater speeds without needing atmospheric oxygen.
C. Kaplan turbines
Kaplan turbines are adjustable-blade water turbines commonly used in low-head hydroelectric power plants to efficiently generate electricity from large volumes of flowing water.
D. Pelton turbine
A Pelton turbine is an impulse-type water turbine commonly used in hydroelectric power plants to efficiently generate electricity from high-head, low-flow water sources.
E. Turbina
Turbina is a small genus of flowering plants in the morning glory family, known for its twining vines and showy, funnel-shaped blooms.
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: Counterflow turbine
Target entity description: A counterflow turbine is a type of steam or gas turbine in which the working fluid flows in opposite directions in adjacent passages or stages to improve efficiency and heat transfer.

A. Francis turbine
A Francis turbine is a widely used reaction water turbine designed for medium-head hydroelectric power generation, known for its high efficiency and suitability for large dams.
B. Walter turbine
The Walter turbine is a World War II-era German propulsion system that used high-test peroxide to power submarines at high underwater speeds without needing atmospheric oxygen.
C. Kaplan turbines
Kaplan turbines are adjustable-blade water turbines commonly used in low-head hydroelectric power plants to efficiently generate electricity from large volumes of flowing water.
D. Pelton turbine
A Pelton turbine is an impulse-type water turbine commonly used in hydroelectric power plants to efficiently generate electricity from high-head, low-flow water sources.
E. Turbina
Turbina is a small genus of flowering plants in the morning glory family, known for its twining vines and showy, funnel-shaped blooms.
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_69d8d38ae7e081908a98df1251842402`	completed	April 10, 2026, 10:40 a.m.
NER	Named-entity recognition	`batch_69e545b2f20481908da74447cd08d5bd`	completed	April 19, 2026, 9:14 p.m.

Created at: April 10, 2026, 11:44 a.m.