Triple

T7175184
Position Surface form Disambiguated ID Type / Status
Subject Tianjin Railway Station E167301 entity
Predicate isMajorHubFor P164 FINISHED
Object Tianjin–Pukou Railway
The Tianjin–Pukou Railway is a historic north–south trunk rail line in China that connects the port city of Tianjin with Pukou near Nanjing, forming a key segment of the country’s early mainline railway network.
 E652029 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: Tianjin–Pukou Railway | Statement: [Tianjin Railway Station, isMajorHubFor, Tianjin–Pukou Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tianjin–Pukou Railway
Context triple: [Tianjin Railway Station, isMajorHubFor, Tianjin–Pukou Railway]
  • A. 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.
  • B. 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.
  • C. Shenyang–Fuxin Railway
    The Shenyang–Fuxin Railway is a regional rail line in Liaoning Province, China, connecting the major city of Shenyang with the city of Fuxin and serving both passenger and freight transport.
  • 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. Shenyang–Jilin Railway
    The Shenyang–Jilin Railway is a major rail line in northeastern China that connects the cities of Shenyang and Jilin, serving as an important corridor for regional 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: Tianjin–Pukou Railway
Triple: [Tianjin Railway Station, isMajorHubFor, Tianjin–Pukou Railway]
Generated description
The Tianjin–Pukou Railway is a historic north–south trunk rail line in China that connects the port city of Tianjin with Pukou near Nanjing, forming a key segment of the country’s early mainline railway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tianjin–Pukou Railway
Target entity description: The Tianjin–Pukou Railway is a historic north–south trunk rail line in China that connects the port city of Tianjin with Pukou near Nanjing, forming a key segment of the country’s early mainline railway network.
  • A. 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.
  • B. 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.
  • C. Shenyang–Fuxin Railway
    The Shenyang–Fuxin Railway is a regional rail line in Liaoning Province, China, connecting the major city of Shenyang with the city of Fuxin and serving both passenger and freight transport.
  • 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. Shenyang–Jilin Railway
    The Shenyang–Jilin Railway is a major rail line in northeastern China that connects the cities of Shenyang and Jilin, serving as an important corridor for regional 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_69c68889a2748190a316c5e65360361a completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e88d770c8190b8d06dcd08447c08 completed March 27, 2026, 8:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7d37a6cd48190802094259213a57f completed March 28, 2026, 1:11 p.m.
NEDg Description generation batch_69c7d44e67848190ac52eca99ef18f28 completed March 28, 2026, 1:14 p.m.
NED2 Entity disambiguation (via description) batch_69c7d4fc837c81909827352be19f64b4 completed March 28, 2026, 1:17 p.m.
Created at: March 27, 2026, 2:48 p.m.