Triple

T11870294
Position Surface form Disambiguated ID Type / Status
Subject middle and lower Yangtze Plain E282390 entity
Predicate partOf P40 FINISHED
Object East China Plain
The East China Plain is a vast, densely populated alluvial lowland in eastern China, known as one of the country’s most important agricultural and economic heartlands.
 E951106 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: East China Plain | Statement: [middle and lower Yangtze Plain, partOf, East China Plain]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: East China Plain
Context triple: [middle and lower Yangtze Plain, partOf, East China Plain]
  • A. North China Plain
    The North China Plain is a vast, fertile alluvial plain in northern China that has long been a core region for Chinese agriculture, population, and historical conflicts.
  • B. Northeast China Plain
    The Northeast China Plain is a vast, fertile alluvial plain in northeastern China that serves as one of the country’s major agricultural and grain-producing regions.
  • C. Yangtze River Delta
    The Yangtze River Delta is a highly urbanized and economically vital region in eastern China, centered around the lower reaches of the Yangtze River and including major cities such as Shanghai.
  • D. Shaanxi Guanzhong Plain
    Shaanxi Guanzhong Plain is a fertile alluvial plain in central Shaanxi Province, China, historically known as a core cradle of Chinese civilization and home to several ancient capitals.
  • E. middle and lower Yangtze Plain
    The middle and lower Yangtze Plain is a vast, fertile alluvial lowland in central-eastern China, characterized by dense river networks, extensive lakes, and some of the country’s most productive agricultural and densely populated regions.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: East China Plain
Target entity description: The East China Plain is a vast, densely populated alluvial lowland in eastern China, known as one of the country’s most important agricultural and economic heartlands.
  • A. North China Plain
    The North China Plain is a vast, fertile alluvial plain in northern China that has long been a core region for Chinese agriculture, population, and historical conflicts.
  • B. Northeast China Plain
    The Northeast China Plain is a vast, fertile alluvial plain in northeastern China that serves as one of the country’s major agricultural and grain-producing regions.
  • C. Yangtze River Delta
    The Yangtze River Delta is a highly urbanized and economically vital region in eastern China, centered around the lower reaches of the Yangtze River and including major cities such as Shanghai.
  • D. Shaanxi Guanzhong Plain
    Shaanxi Guanzhong Plain is a fertile alluvial plain in central Shaanxi Province, China, historically known as a core cradle of Chinese civilization and home to several ancient capitals.
  • E. middle and lower Yangtze Plain
    The middle and lower Yangtze Plain is a vast, fertile alluvial lowland in central-eastern China, characterized by dense river networks, extensive lakes, and some of the country’s most productive agricultural and densely populated regions.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: East China Plain
Triple: [middle and lower Yangtze Plain, partOf, East China Plain]
Generated description
The East China Plain is a vast, densely populated alluvial lowland in eastern China, known as one of the country’s most important agricultural and economic heartlands.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6ab2945d081908a5851c916cbcfb5 elicitation completed
NER batch_69d8a73ccf548190834187823be44a18 ner completed
NED1 batch_69f281b0969c8190a8c0a01ca292cc84 ned_source_triple completed
NED2 batch_69f28c462d888190a43e042b00921dbe ned_description completed
NEDg batch_69f28a92ac90819092eef473a49d329e nedg completed
Created at: April 8, 2026, 9:43 p.m.