Triple
T3216806
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Beijing MTR Corporation Limited |
E67416
|
entity |
| Predicate | parentCompany |
P254
|
FINISHED |
| Object |
Beijing Infrastructure Investment Co., Ltd.
Beijing Infrastructure Investment Co., Ltd. is a state-owned enterprise responsible for financing, constructing, and managing major urban infrastructure projects in Beijing, particularly in the rail transit sector.
|
E338344
|
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 Infrastructure Investment Co., Ltd. | Statement: [Beijing MTR Corporation Limited, parentCompany, Beijing Infrastructure Investment Co., Ltd.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Beijing Infrastructure Investment Co., Ltd. Context triple: [Beijing MTR Corporation Limited, parentCompany, Beijing Infrastructure Investment Co., Ltd.]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
China State Construction Engineering Corporation
China State Construction Engineering Corporation is one of the world’s largest construction and engineering companies, responsible for major infrastructure and skyscraper projects in China and abroad.
-
E.
Beijing Municipal Commission of Transport
The Beijing Municipal Commission of Transport is the city government agency responsible for planning, regulating, and overseeing Beijing’s transportation systems, including its extensive subway network.
- 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 Infrastructure Investment Co., Ltd. Triple: [Beijing MTR Corporation Limited, parentCompany, Beijing Infrastructure Investment Co., Ltd.]
Generated description
Beijing Infrastructure Investment Co., Ltd. is a state-owned enterprise responsible for financing, constructing, and managing major urban infrastructure projects in Beijing, particularly in the rail transit sector.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Beijing Infrastructure Investment Co., Ltd. Target entity description: Beijing Infrastructure Investment Co., Ltd. is a state-owned enterprise responsible for financing, constructing, and managing major urban infrastructure projects in Beijing, particularly in the rail transit sector.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
China State Construction Engineering Corporation
China State Construction Engineering Corporation is one of the world’s largest construction and engineering companies, responsible for major infrastructure and skyscraper projects in China and abroad.
-
E.
Beijing Municipal Commission of Transport
The Beijing Municipal Commission of Transport is the city government agency responsible for planning, regulating, and overseeing Beijing’s transportation systems, including its extensive subway network.
- 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.