Triple

T3216804
Position Surface form Disambiguated ID Type / Status
Subject Beijing MTR Corporation Limited E67416 entity
Predicate parentCompany P254 FINISHED
Object MTR Corporation
MTR Corporation is a Hong Kong-based public transport company best known for operating the city’s mass transit railway network and related property and infrastructure businesses.
E338342 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: MTR Corporation | Statement: [Beijing MTR Corporation Limited, parentCompany, MTR Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MTR Corporation
Context triple: [Beijing MTR Corporation Limited, parentCompany, MTR Corporation]
  • A. 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.
  • B. Swire Pacific
    Swire Pacific is a Hong Kong-based diversified conglomerate with major interests in aviation, property, beverages, and trading and industrial businesses.
  • C. Hong Kong–Zhuhai–Macau Bridge Authority
    The Hong Kong–Zhuhai–Macau Bridge Authority is the governmental body responsible for operating, managing, and overseeing the cross-border Hong Kong–Zhuhai–Macau Bridge linking mainland China with Hong Kong and Macau.
  • D. MTR urban lines
    MTR urban lines are a network of rapid transit railway services forming the core of Hong Kong’s mass transit system, particularly serving dense urban areas such as Kowloon.
  • E. MTR Tung Chung Line
    The MTR Tung Chung Line is a major Hong Kong metro line that connects urban Kowloon and Hong Kong Island with the new town of Tung Chung and the airport area on Lantau Island.
  • 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: MTR Corporation
Triple: [Beijing MTR Corporation Limited, parentCompany, MTR Corporation]
Generated description
MTR Corporation is a Hong Kong-based public transport company best known for operating the city’s mass transit railway network and related property and infrastructure businesses.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MTR Corporation
Target entity description: MTR Corporation is a Hong Kong-based public transport company best known for operating the city’s mass transit railway network and related property and infrastructure businesses.
  • A. 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.
  • B. Swire Pacific
    Swire Pacific is a Hong Kong-based diversified conglomerate with major interests in aviation, property, beverages, and trading and industrial businesses.
  • C. Hong Kong–Zhuhai–Macau Bridge Authority
    The Hong Kong–Zhuhai–Macau Bridge Authority is the governmental body responsible for operating, managing, and overseeing the cross-border Hong Kong–Zhuhai–Macau Bridge linking mainland China with Hong Kong and Macau.
  • D. MTR urban lines
    MTR urban lines are a network of rapid transit railway services forming the core of Hong Kong’s mass transit system, particularly serving dense urban areas such as Kowloon.
  • E. MTR Tung Chung Line
    The MTR Tung Chung Line is a major Hong Kong metro line that connects urban Kowloon and Hong Kong Island with the new town of Tung Chung and the airport area on Lantau Island.
  • 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_69ad858b8adc8190ad989712c87a476b completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69adab096b588190b22e41a76263ae92 completed March 8, 2026, 4:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69b26241803c8190aa3254d5887c80f4 completed March 12, 2026, 6:50 a.m.
NEDg Description generation batch_69b2664ddd488190a3edf40fc2dcee18 completed March 12, 2026, 7:07 a.m.
NED2 Entity disambiguation (via description) batch_69b266ca4a90819083ecb16095a2984b completed March 12, 2026, 7:10 a.m.
Created at: March 8, 2026, 3:08 p.m.