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.