Triple

T530949
Position Surface form Disambiguated ID Type / Status
Subject Beijing Subway E12220 entity
Predicate operator P179 FINISHED
Object Beijing Mass Transit Railway Operation Corporation Limited
Beijing Mass Transit Railway Operation Corporation Limited is the state-owned company responsible for operating and managing most of the urban rail transit lines in Beijing, China.
E12220 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: Beijing Mass Transit Railway Operation Corporation Limited | Statement: [Beijing Subway, operator, Beijing Mass Transit Railway Operation Corporation Limited]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Beijing Mass Transit Railway Operation Corporation Limited
Context triple: [Beijing Subway, operator, Beijing Mass Transit Railway Operation Corporation Limited]
  • A. Beijing Capital International Airport Company Limited
    Beijing Capital International Airport Company Limited is the state-controlled company responsible for managing and operating Beijing’s main international airport and related aviation services.
  • B. Beijing State-owned Assets Management Co., Ltd.
    Beijing State-owned Assets Management Co., Ltd. is a Chinese state-owned enterprise responsible for managing and operating major government-owned assets and landmark facilities in Beijing.
  • C. China Railway
    China Railway is the state-owned national railway operator of China, responsible for managing and operating the country’s extensive rail network and services.
  • D. Beijing Subway
    The Beijing Subway is one of the world’s largest and busiest rapid transit systems, forming the backbone of public transportation in China’s capital city.
  • E. Wuhan Metro
    Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
  • 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: Beijing Mass Transit Railway Operation Corporation Limited
Triple: [Beijing Subway, operator, Beijing Mass Transit Railway Operation Corporation Limited]
Generated description
Beijing Mass Transit Railway Operation Corporation Limited is the state-owned company responsible for operating and managing most of the urban rail transit lines in Beijing, China.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Beijing Mass Transit Railway Operation Corporation Limited
Target entity description: Beijing Mass Transit Railway Operation Corporation Limited is the state-owned company responsible for operating and managing most of the urban rail transit lines in Beijing, China.
  • A. Beijing Capital International Airport Company Limited
    Beijing Capital International Airport Company Limited is the state-controlled company responsible for managing and operating Beijing’s main international airport and related aviation services.
  • B. Beijing State-owned Assets Management Co., Ltd.
    Beijing State-owned Assets Management Co., Ltd. is a Chinese state-owned enterprise responsible for managing and operating major government-owned assets and landmark facilities in Beijing.
  • C. China Railway
    China Railway is the state-owned national railway operator of China, responsible for managing and operating the country’s extensive rail network and services.
  • D. Beijing Subway chosen
    The Beijing Subway is one of the world’s largest and busiest rapid transit systems, forming the backbone of public transportation in China’s capital city.
  • E. Wuhan Metro
    Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
  • F. None of above.

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_69a4933208e88190891f5debab1b776d completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a494dda58c8190870305056838a2b2 completed March 1, 2026, 7:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4c02df1fc8190bdb1410bd020af62 completed March 1, 2026, 10:39 p.m.
NEDg Description generation batch_69a4c437206c819087cefdb3d163e953 completed March 1, 2026, 10:56 p.m.
NED2 Entity disambiguation (via description) batch_69a4c55468808190a997500ad8895f8c completed March 1, 2026, 11:01 p.m.
Created at: March 1, 2026, 7:32 p.m.