Triple

T11920063

Position	Surface form	Disambiguated ID	Type / Status
Subject	Hinkley Point C nuclear power station	`E283628`	entity
Predicate	majorContractor	`P7138`	FINISHED
Object	China General Nuclear Power Group China General Nuclear Power Group is a major Chinese state-owned energy company specializing in the development and operation of nuclear power plants domestically and internationally.	`E954558`	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: China General Nuclear Power Group | Statement: [Hinkley Point C nuclear power station, majorContractor, China General Nuclear Power Group]

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

Target entity: China General Nuclear Power Group
Context triple: [Hinkley Point C nuclear power station, majorContractor, China General Nuclear Power Group]

A. China Yangtze Power
China Yangtze Power is a major Chinese state-controlled hydropower company best known as the listed subsidiary of China Three Gorges Corporation that owns and operates large-scale dams on the Yangtze River.
B. China State Construction Engineering Corporation
China State Construction Engineering Corporation is one of the world’s largest construction and engineering companies, responsible for major infrastructure and skyscraper projects in China and abroad.
C. China Three Gorges Corporation
China Three Gorges Corporation is a Chinese state-owned power company best known for developing and operating the massive Three Gorges Dam and other large-scale hydroelectric projects.
D. China National Petroleum Corporation
China National Petroleum Corporation is a major state-owned Chinese oil and gas company and one of the world’s largest integrated energy corporations.
E. China State Shipbuilding Corporation
China State Shipbuilding Corporation is a major Chinese state-owned shipbuilding conglomerate responsible for designing and constructing a wide range of civilian and military vessels and marine equipment.
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: China General Nuclear Power Group
Triple: [Hinkley Point C nuclear power station, majorContractor, China General Nuclear Power Group]

Generated description

China General Nuclear Power Group is a major Chinese state-owned energy company specializing in the development and operation of nuclear power plants domestically and internationally.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: China General Nuclear Power Group
Target entity description: China General Nuclear Power Group is a major Chinese state-owned energy company specializing in the development and operation of nuclear power plants domestically and internationally.

A. China Yangtze Power
China Yangtze Power is a major Chinese state-controlled hydropower company best known as the listed subsidiary of China Three Gorges Corporation that owns and operates large-scale dams on the Yangtze River.
B. China State Construction Engineering Corporation
China State Construction Engineering Corporation is one of the world’s largest construction and engineering companies, responsible for major infrastructure and skyscraper projects in China and abroad.
C. China Three Gorges Corporation
China Three Gorges Corporation is a Chinese state-owned power company best known for developing and operating the massive Three Gorges Dam and other large-scale hydroelectric projects.
D. China National Petroleum Corporation
China National Petroleum Corporation is a major state-owned Chinese oil and gas company and one of the world’s largest integrated energy corporations.
E. China State Shipbuilding Corporation
China State Shipbuilding Corporation is a major Chinese state-owned shipbuilding conglomerate responsible for designing and constructing a wide range of civilian and military vessels and marine equipment.
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_69d6ab2c07e88190ba13b0d21fd6cf33`	completed	April 8, 2026, 7:23 p.m.
NER	Named-entity recognition	`batch_69d903024afc8190a97aa3263dc7d017`	completed	April 10, 2026, 2:02 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f44033c288819099587af3f895eac5`	completed	May 1, 2026, 5:54 a.m.
NEDg	Description generation	`batch_69f448fa8eec81909fe6ac0902f46998`	completed	May 1, 2026, 6:32 a.m.
NED2	Entity disambiguation (via description)	`batch_69f44aef15148190ba8090681b921ffa`	completed	May 1, 2026, 6:40 a.m.

Created at: April 8, 2026, 9:45 p.m.