Triple

T1898083
Position Surface form Disambiguated ID Type / Status
Subject Shanghai Railway Station E37626 entity
Predicate servedByRailwayLine P848 FINISHED
Object Shanghai–Nanjing intercity railway
The Shanghai–Nanjing intercity railway is a high-speed rail line in eastern China that connects Shanghai with Nanjing, significantly reducing travel time between major cities in the Yangtze River Delta region.
E220730 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–Nanjing intercity railway | Statement: [Shanghai Railway Station, servedByRailwayLine, Shanghai–Nanjing intercity railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Shanghai–Nanjing intercity railway
Context triple: [Shanghai Railway Station, servedByRailwayLine, Shanghai–Nanjing intercity railway]
  • A. 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.
  • 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. Beijing–Shanghai railway
    The Beijing–Shanghai railway is one of China’s most important conventional rail lines, connecting the capital Beijing with the major economic hub of Shanghai and serving numerous key cities along its route.
  • D. 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.
  • E. Shanghai–Kunming railway
    The Shanghai–Kunming railway is a major east–west trunk line in China that connects the coastal metropolis of Shanghai with the southwestern city of Kunming, traversing several key provinces and economic regions.
  • 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–Nanjing intercity railway
Triple: [Shanghai Railway Station, servedByRailwayLine, Shanghai–Nanjing intercity railway]
Generated description
The Shanghai–Nanjing intercity railway is a high-speed rail line in eastern China that connects Shanghai with Nanjing, significantly reducing travel time between major cities in the Yangtze River Delta region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Shanghai–Nanjing intercity railway
Target entity description: The Shanghai–Nanjing intercity railway is a high-speed rail line in eastern China that connects Shanghai with Nanjing, significantly reducing travel time between major cities in the Yangtze River Delta region.
  • A. 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.
  • 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. Beijing–Shanghai railway
    The Beijing–Shanghai railway is one of China’s most important conventional rail lines, connecting the capital Beijing with the major economic hub of Shanghai and serving numerous key cities along its route.
  • D. 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.
  • E. Shanghai–Kunming railway
    The Shanghai–Kunming railway is a major east–west trunk line in China that connects the coastal metropolis of Shanghai with the southwestern city of Kunming, traversing several key provinces and economic regions.
  • 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_69a8861be7148190a680937ec451a304 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69abb170657481908662089511a8f301 completed March 7, 2026, 5:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69adfba998e88190a4692d3aefa09806 completed March 8, 2026, 10:43 p.m.
NEDg Description generation batch_69adfc2b6a0c8190a9129dc0a930d1b1 completed March 8, 2026, 10:46 p.m.
NED2 Entity disambiguation (via description) batch_69adfd3ecb7881909a6692bb58211c2e completed March 8, 2026, 10:50 p.m.
Created at: March 4, 2026, 7:35 p.m.