Triple

T13803434
Position Surface form Disambiguated ID Type / Status
Subject Datong E331697 entity
Predicate hasRailConnection P848 FINISHED
Object Datong–Qinhuangdao railway
The Datong–Qinhuangdao railway is a major heavy-haul coal transport line in northern China that carries large volumes of coal from inland mining regions to the port of Qinhuangdao on the Bohai Sea.
 E1063497 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: Datong–Qinhuangdao railway | Statement: [Datong, hasRailConnection, Datong–Qinhuangdao railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Datong–Qinhuangdao railway
Context triple: [Datong, hasRailConnection, Datong–Qinhuangdao railway]
  • A. Tianjin–Qinhuangdao Railway
    The Tianjin–Qinhuangdao Railway is a major high-speed rail corridor in northern China that connects the coastal city of Tianjin with Qinhuangdao, facilitating rapid passenger and freight transport along the Bohai Rim.
  • B. Tianjin–Bazhou Railway
    The Tianjin–Bazhou Railway is a regional rail line in northern China that connects the city of Tianjin with Bazhou in Hebei Province, serving as part of the broader Beijing–Tianjin–Hebei transportation network.
  • C. Beijing–Yuanping railway
    The Beijing–Yuanping railway is a major rail line in northern China connecting Beijing with Yuanping in Shanxi Province, facilitating both passenger and freight transport across the region.
  • D. Qinhuangdao–Shenyang Railway
    The Qinhuangdao–Shenyang Railway is a major heavy-haul rail line in northeastern China that primarily carries coal from inland production areas to coastal ports for export and domestic use.
  • E. Beijing–Baotou Railway
    The Beijing–Baotou Railway is a major rail line in northern China that links the national capital Beijing with the industrial city of Baotou in Inner Mongolia, serving as an important corridor for passenger and freight transport.
  • 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: Datong–Qinhuangdao railway
Triple: [Datong, hasRailConnection, Datong–Qinhuangdao railway]
Generated description
The Datong–Qinhuangdao railway is a major heavy-haul coal transport line in northern China that carries large volumes of coal from inland mining regions to the port of Qinhuangdao on the Bohai Sea.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Datong–Qinhuangdao railway
Target entity description: The Datong–Qinhuangdao railway is a major heavy-haul coal transport line in northern China that carries large volumes of coal from inland mining regions to the port of Qinhuangdao on the Bohai Sea.
  • A. Tianjin–Qinhuangdao Railway
    The Tianjin–Qinhuangdao Railway is a major high-speed rail corridor in northern China that connects the coastal city of Tianjin with Qinhuangdao, facilitating rapid passenger and freight transport along the Bohai Rim.
  • B. Tianjin–Bazhou Railway
    The Tianjin–Bazhou Railway is a regional rail line in northern China that connects the city of Tianjin with Bazhou in Hebei Province, serving as part of the broader Beijing–Tianjin–Hebei transportation network.
  • C. Beijing–Yuanping railway
    The Beijing–Yuanping railway is a major rail line in northern China connecting Beijing with Yuanping in Shanxi Province, facilitating both passenger and freight transport across the region.
  • D. Qinhuangdao–Shenyang Railway
    The Qinhuangdao–Shenyang Railway is a major heavy-haul rail line in northeastern China that primarily carries coal from inland production areas to coastal ports for export and domestic use.
  • E. Beijing–Baotou Railway
    The Beijing–Baotou Railway is a major rail line in northern China that links the national capital Beijing with the industrial city of Baotou in Inner Mongolia, serving as an important corridor for passenger and freight transport.
  • 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_69d81c59f8808190a851bc56afdc55e9 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de026c36108190a7436034a730a261 completed April 14, 2026, 9:01 a.m.
NED1 Entity disambiguation (via context triple) batch_69f7b8da594c81908cb878a8cc1b3a72 completed May 3, 2026, 9:06 p.m.
NEDg Description generation batch_69f7ba1afc048190a0053497acc64fb1 completed May 3, 2026, 9:11 p.m.
NED2 Entity disambiguation (via description) batch_69f7ba99ad9c8190906b6b63cf27a446 completed May 3, 2026, 9:14 p.m.
Created at: April 9, 2026, 10:12 p.m.