Triple

T9414417
Position Surface form Disambiguated ID Type / Status
Subject Kaifu District E226978 entity
Predicate hasTransportConnection P845 FINISHED
Object Changsha railway network
The Changsha railway network is the system of rail lines and stations serving the city of Changsha, integrating regional and national train services for passenger and freight transport.
 E797539 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: Changsha railway network | Statement: [Kaifu District, hasTransportConnection, Changsha railway network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Changsha railway network
Context triple: [Kaifu District, hasTransportConnection, Changsha railway network]
  • A. Changsha Metro
    Changsha Metro is the rapid transit system serving Changsha, the capital of Hunan Province in China, providing urban rail transportation across the city and its suburbs.
  • B. Huaihua–Shaoyang–Hengyang railway
    The Huaihua–Shaoyang–Hengyang railway is a major rail line in Hunan Province, China, connecting the cities of Huaihua, Shaoyang, and Hengyang to support regional transportation and economic development.
  • C. Changsha Metro Line 2
    Changsha Metro Line 2 is a major east–west rapid transit line in Changsha, China, connecting key urban districts and serving as one of the city's primary public transportation corridors.
  • D. Changsha Metro Line 3
    Changsha Metro Line 3 is a rapid transit line in Changsha, China, forming part of the city's urban subway network and connecting key districts across the metropolitan area.
  • E. Changsha Metro Line 5
    Changsha Metro Line 5 is a rapid transit line in Changsha, China, forming part of the city's urban subway network and serving key residential and commercial areas.
  • 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: Changsha railway network
Triple: [Kaifu District, hasTransportConnection, Changsha railway network]
Generated description
The Changsha railway network is the system of rail lines and stations serving the city of Changsha, integrating regional and national train services for passenger and freight transport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Changsha railway network
Target entity description: The Changsha railway network is the system of rail lines and stations serving the city of Changsha, integrating regional and national train services for passenger and freight transport.
  • A. Changsha Metro
    Changsha Metro is the rapid transit system serving Changsha, the capital of Hunan Province in China, providing urban rail transportation across the city and its suburbs.
  • B. Huaihua–Shaoyang–Hengyang railway
    The Huaihua–Shaoyang–Hengyang railway is a major rail line in Hunan Province, China, connecting the cities of Huaihua, Shaoyang, and Hengyang to support regional transportation and economic development.
  • C. Changsha Metro Line 2
    Changsha Metro Line 2 is a major east–west rapid transit line in Changsha, China, connecting key urban districts and serving as one of the city's primary public transportation corridors.
  • D. Changsha Metro Line 3
    Changsha Metro Line 3 is a rapid transit line in Changsha, China, forming part of the city's urban subway network and connecting key districts across the metropolitan area.
  • E. Changsha Metro Line 5
    Changsha Metro Line 5 is a rapid transit line in Changsha, China, forming part of the city's urban subway network and serving key residential and commercial areas.
  • 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_69ca84359e7c819091148ba4b670e436 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd68c7bd648190b17f082883c98239 completed April 1, 2026, 6:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69d107b63cf48190a072e3434a7b85a8 completed April 4, 2026, 12:44 p.m.
NEDg Description generation batch_69d108466fb481909682fcaac354b312 completed April 4, 2026, 12:47 p.m.
NED2 Entity disambiguation (via description) batch_69d108be82888190b0ec08119cd00b68 completed April 4, 2026, 12:49 p.m.
Created at: March 30, 2026, 7:47 p.m.