Triple

T8919415

Position	Surface form	Disambiguated ID	Type / Status
Subject	Beijing–Shanghai railway	`E212372`	entity
Predicate	operator	`P179`	FINISHED
Object	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.	`E767682`	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 Jinan Group | Statement: [Beijing–Shanghai railway, operator, China Railway Jinan Group]

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

Target entity: China Railway Jinan Group
Context triple: [Beijing–Shanghai railway, operator, China Railway Jinan Group]

A. 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.
B. 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.
C. China Railway Nanchang Group
China Railway Nanchang Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in parts of southeastern China, including sections of the coastal Fujian–Guangdong corridor.
D. China Railway Nanning Group
China Railway Nanning Group is a regional subsidiary of China Railway responsible for managing and operating railway services in and around Nanning and parts of southern China.
E. China Railway Chengdu Group
China Railway Chengdu Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in the southwest of China, including parts of Sichuan and Chongqing.
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 Jinan Group
Triple: [Beijing–Shanghai railway, operator, China Railway Jinan Group]

Generated description

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.

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

Target entity: China Railway Jinan Group
Target entity description: 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.

A. 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.
B. 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.
C. China Railway Nanchang Group
China Railway Nanchang Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in parts of southeastern China, including sections of the coastal Fujian–Guangdong corridor.
D. China Railway Nanning Group
China Railway Nanning Group is a regional subsidiary of China Railway responsible for managing and operating railway services in and around Nanning and parts of southern China.
E. China Railway Chengdu Group
China Railway Chengdu Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in the southwest of China, including parts of Sichuan and Chongqing.
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_69ca8393b1808190bd4336787ffa2c40`	completed	March 30, 2026, 2:07 p.m.
NER	Named-entity recognition	`batch_69cc6613639881909090d060f388a865`	completed	April 1, 2026, 12:25 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69cfc1d31f84819098c34c2589949c6e`	completed	April 3, 2026, 1:34 p.m.
NEDg	Description generation	`batch_69cfc3074b90819099048dcec7e201ad`	completed	April 3, 2026, 1:39 p.m.
NED2	Entity disambiguation (via description)	`batch_69cfc350afc08190a17c61041d6d8193`	completed	April 3, 2026, 1:40 p.m.

Created at: March 30, 2026, 6:56 p.m.