Triple

T20181633

Position	Surface form	Disambiguated ID	Type / Status
Subject	Harbin–Dalian High-Speed Railway	`E492740`	entity
Predicate	operator	`P179`	FINISHED
Object	China Railway Harbin Group China Railway Harbin Group is a regional subsidiary of China Railway responsible for operating and managing railway services in the Harbin area and parts of Northeast China, including high-speed rail lines.	`E1415733`	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 Railway Harbin Group | Statement: [Harbin–Dalian High-Speed Railway, operator, China Railway Harbin Group]

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

Target entity: China Railway Harbin Group
Context triple: [Harbin–Dalian High-Speed Railway, operator, China Railway Harbin Group]

A. China Railway Beijing Group
China Railway Beijing Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services and infrastructure in the Beijing-Tianjin-Hebei area.
B. China Railway Shanghai Group
China Railway Shanghai Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in the Shanghai and surrounding eastern China area.
C. China Railway Xi’an Group
China Railway Xi’an Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in and around Xi’an and parts of northwestern China.
D. China Railway Jinan Group
China Railway Jinan Group is a regional subsidiary of China State Railway Group responsible for managing and operating railway services primarily in Shandong Province, including major trunk lines such as the Beijing–Shanghai corridor.
E. China Railway Zhengzhou Group
China Railway Zhengzhou Group is a regional subsidiary of China Railway responsible for operating and managing railway services and infrastructure centered around Zhengzhou in central China.
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 Railway Harbin Group
Triple: [Harbin–Dalian High-Speed Railway, operator, China Railway Harbin Group]

Generated description

China Railway Harbin Group is a regional subsidiary of China Railway responsible for operating and managing railway services in the Harbin area and parts of Northeast China, including high-speed rail lines.

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

Target entity: China Railway Harbin Group
Target entity description: China Railway Harbin Group is a regional subsidiary of China Railway responsible for operating and managing railway services in the Harbin area and parts of Northeast China, including high-speed rail lines.

A. China Railway Beijing Group
China Railway Beijing Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services and infrastructure in the Beijing-Tianjin-Hebei area.
B. China Railway Shanghai Group
China Railway Shanghai Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in the Shanghai and surrounding eastern China area.
C. China Railway Xi’an Group
China Railway Xi’an Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in and around Xi’an and parts of northwestern China.
D. China Railway Jinan Group
China Railway Jinan Group is a regional subsidiary of China State Railway Group responsible for managing and operating railway services primarily in Shandong Province, including major trunk lines such as the Beijing–Shanghai corridor.
E. China Railway Zhengzhou Group
China Railway Zhengzhou Group is a regional subsidiary of China Railway responsible for operating and managing railway services and infrastructure centered around Zhengzhou in central China.
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_69da6268a034819081cbd9ea5a1c9475`	completed	April 11, 2026, 3:02 p.m.
NER	Named-entity recognition	`batch_69e668ef9370819091a8479f811002a9`	completed	April 20, 2026, 5:57 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a083c7dc3bc81909c749262ba4adcd4`	completed	May 16, 2026, 9:44 a.m.
NEDg	Description generation	`batch_6a083d416d9081909c446f46984e11c1`	completed	May 16, 2026, 9:47 a.m.
NED2	Entity disambiguation (via description)	`batch_6a083df6a4f88190be94dd716911c806`	completed	May 16, 2026, 9:50 a.m.

Created at: April 11, 2026, 11:36 p.m.