Triple

T13321008
Position Surface form Disambiguated ID Type / Status
Subject Jinan Metro E317313 entity
Predicate operator P179 FINISHED
Object Jinan Rail Transit Group
Jinan Rail Transit Group is the state-owned company responsible for planning, constructing, and operating the urban rail transit system in Jinan, China.
 E1033678 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: Jinan Rail Transit Group | Statement: [Jinan Metro, operator, Jinan Rail Transit Group]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Jinan Rail Transit Group
Context triple: [Jinan Metro, operator, Jinan Rail Transit Group]
  • A. China Railway Jinan Group
    China Railway Jinan Group is a regional subsidiary of China State Railway Group responsible for managing and operating railway services primarily in Shandong Province, including major trunk lines such as the Beijing–Shanghai corridor.
  • B. Tianjin Metro Group Co., Ltd.
    Tianjin Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Tianjin, China.
  • C. Shanghai Shentong Metro Group
    Shanghai Shentong Metro Group is the state-owned company responsible for operating and managing Shanghai’s urban rapid transit network.
  • D. Beijing Mass Transit Railway Operation Corporation Limited
    Beijing Mass Transit Railway Operation Corporation Limited is a state-owned company responsible for operating and managing much of the Beijing Subway system.
  • E. Beijing MTR Corporation Limited
    Beijing MTR Corporation Limited is a joint-venture rail transit company responsible for operating and managing several lines of the Beijing Subway system.
  • 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: Jinan Rail Transit Group
Triple: [Jinan Metro, operator, Jinan Rail Transit Group]
Generated description
Jinan Rail Transit Group is the state-owned company responsible for planning, constructing, and operating the urban rail transit system in Jinan, China.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Jinan Rail Transit Group
Target entity description: Jinan Rail Transit Group is the state-owned company responsible for planning, constructing, and operating the urban rail transit system in Jinan, China.
  • A. China Railway Jinan Group
    China Railway Jinan Group is a regional subsidiary of China State Railway Group responsible for managing and operating railway services primarily in Shandong Province, including major trunk lines such as the Beijing–Shanghai corridor.
  • B. Tianjin Metro Group Co., Ltd.
    Tianjin Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Tianjin, China.
  • C. Shanghai Shentong Metro Group
    Shanghai Shentong Metro Group is the state-owned company responsible for operating and managing Shanghai’s urban rapid transit network.
  • D. Beijing Mass Transit Railway Operation Corporation Limited
    Beijing Mass Transit Railway Operation Corporation Limited is a state-owned company responsible for operating and managing much of the Beijing Subway system.
  • E. Beijing MTR Corporation Limited
    Beijing MTR Corporation Limited is a joint-venture rail transit company responsible for operating and managing several lines of the Beijing Subway system.
  • 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_69d806b4d62c81908d4ced1665414be5 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d9992ab83c8190982d9f54dff6919f completed April 11, 2026, 12:43 a.m.
NED1 Entity disambiguation (via context triple) batch_69f716ee695c81909ffeeb0901ee66c1 completed May 3, 2026, 9:35 a.m.
NEDg Description generation batch_69f717f4d80c8190a1a95c0f2c83c563 completed May 3, 2026, 9:40 a.m.
NED2 Entity disambiguation (via description) batch_69f718b852808190a2a0fb48424bffb0 completed May 3, 2026, 9:43 a.m.
Created at: April 9, 2026, 9:30 p.m.