Triple

T11399429

Position	Surface form	Disambiguated ID	Type / Status
Subject	China High-Speed Rail Network	`E270066`	entity
Predicate	notableCorridor	`P10970`	FINISHED
Object	Shanghai–Kunming High-Speed Railway The Shanghai–Kunming High-Speed Railway is a major east–west high-speed rail line in China that links the coastal metropolis of Shanghai with the southwestern city of Kunming, significantly reducing travel times across multiple provinces.	`E941291`	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: Shanghai–Kunming High-Speed Railway | Statement: [China High-Speed Rail Network, notableCorridor, Shanghai–Kunming High-Speed Railway]

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

Target entity: Shanghai–Kunming High-Speed Railway
Context triple: [China High-Speed Rail Network, notableCorridor, Shanghai–Kunming High-Speed Railway]

A. Shanghai–Wuhan–Chengdu High-Speed Railway
The Shanghai–Wuhan–Chengdu High-Speed Railway is a major east–west high-speed rail corridor in China that links the coastal metropolis of Shanghai with central and western hubs including Wuhan and Chengdu.
B. Beijing–Guangzhou High-Speed Railway
The Beijing–Guangzhou High-Speed Railway is one of China’s longest and busiest high-speed rail corridors, linking the capital Beijing with the southern metropolis Guangzhou and serving major cities along the route.
C. Shanghai–Hangzhou High-Speed Railway
The Shanghai–Hangzhou High-Speed Railway is a major high-speed rail corridor in eastern China that connects the cities of Shanghai and Hangzhou, significantly reducing travel time between these key economic hubs.
D. Beijing–Shanghai High-Speed Railway
The Beijing–Shanghai High-Speed Railway is a major high-speed rail corridor in China that connects the capital Beijing with the economic hub Shanghai, significantly reducing travel time between the two megacities.
E. Hangzhou–Changsha High-Speed Railway
The Hangzhou–Changsha High-Speed Railway is a major high-speed rail corridor in China that connects the cities of Hangzhou and Changsha as part of the broader Shanghai–Kunming high-speed rail network.
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: Shanghai–Kunming High-Speed Railway
Triple: [China High-Speed Rail Network, notableCorridor, Shanghai–Kunming High-Speed Railway]

Generated description

The Shanghai–Kunming High-Speed Railway is a major east–west high-speed rail line in China that links the coastal metropolis of Shanghai with the southwestern city of Kunming, significantly reducing travel times across multiple provinces.

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

Target entity: Shanghai–Kunming High-Speed Railway
Target entity description: The Shanghai–Kunming High-Speed Railway is a major east–west high-speed rail line in China that links the coastal metropolis of Shanghai with the southwestern city of Kunming, significantly reducing travel times across multiple provinces.

A. Shanghai–Wuhan–Chengdu High-Speed Railway
The Shanghai–Wuhan–Chengdu High-Speed Railway is a major east–west high-speed rail corridor in China that links the coastal metropolis of Shanghai with central and western hubs including Wuhan and Chengdu.
B. Beijing–Guangzhou High-Speed Railway
The Beijing–Guangzhou High-Speed Railway is one of China’s longest and busiest high-speed rail corridors, linking the capital Beijing with the southern metropolis Guangzhou and serving major cities along the route.
C. Shanghai–Hangzhou High-Speed Railway
The Shanghai–Hangzhou High-Speed Railway is a major high-speed rail corridor in eastern China that connects the cities of Shanghai and Hangzhou, significantly reducing travel time between these key economic hubs.
D. Beijing–Shanghai High-Speed Railway
The Beijing–Shanghai High-Speed Railway is a major high-speed rail corridor in China that connects the capital Beijing with the economic hub Shanghai, significantly reducing travel time between the two megacities.
E. Hangzhou–Changsha High-Speed Railway
The Hangzhou–Changsha High-Speed Railway is a major high-speed rail corridor in China that connects the cities of Hangzhou and Changsha as part of the broader Shanghai–Kunming high-speed rail network.
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_69d6aacdbc6c8190af6dc3d5f5d22836`	completed	April 8, 2026, 7:21 p.m.
NER	Named-entity recognition	`batch_69d8001adc188190ae45227856156412`	completed	April 9, 2026, 7:38 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69ef8201715c819090cbd7c1e3068bdd`	completed	April 27, 2026, 3:34 p.m.
NEDg	Description generation	`batch_69ef96ab29d48190b225504856007384`	completed	April 27, 2026, 5:02 p.m.
NED2	Entity disambiguation (via description)	`batch_69efd64bfa7081909715aa64d80fadf3`	completed	April 27, 2026, 9:34 p.m.

Created at: April 8, 2026, 9:34 p.m.