Triple

T7700852
Position Surface form Disambiguated ID Type / Status
Subject Changsha South Railway Station E174488 entity
Predicate partOf P40 FINISHED
Object 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.
E685808 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: Hangzhou–Changsha High-Speed Railway | Statement: [Changsha South Railway Station, partOf, Hangzhou–Changsha High-Speed Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hangzhou–Changsha High-Speed Railway
Context triple: [Changsha South Railway Station, partOf, Hangzhou–Changsha High-Speed Railway]
  • A. 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.
  • B. 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.
  • C. Wuhan–Guangzhou High-Speed Railway
    The Wuhan–Guangzhou High-Speed Railway is a major Chinese high-speed rail corridor linking central and southern China as part of the Beijing–Guangzhou HSR route, significantly reducing travel times between Wuhan and Guangzhou.
  • D. 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.
  • E. 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.
  • 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: Hangzhou–Changsha High-Speed Railway
Triple: [Changsha South Railway Station, partOf, Hangzhou–Changsha High-Speed Railway]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hangzhou–Changsha High-Speed Railway
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Wuhan–Guangzhou High-Speed Railway
    The Wuhan–Guangzhou High-Speed Railway is a major Chinese high-speed rail corridor linking central and southern China as part of the Beijing–Guangzhou HSR route, significantly reducing travel times between Wuhan and Guangzhou.
  • D. 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.
  • E. 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.
  • 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_69c6995a72cc8190998e56daa6f8e453 completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c70288d02c819093d6f0e47707d0a3 completed March 27, 2026, 10:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8be2583508190bda9a88e149fe264 completed March 29, 2026, 5:52 a.m.
NEDg Description generation batch_69c8beac8210819094f507232baa6d16 completed March 29, 2026, 5:54 a.m.
NED2 Entity disambiguation (via description) batch_69c8bf231db8819091da104ba1b47665 completed March 29, 2026, 5:56 a.m.
Created at: March 27, 2026, 4:03 p.m.