Triple
T9051535
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 3A (Ho Chi Minh City Metro) |
E216893
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Ho Chi Minh City urban railway authority
Ho Chi Minh City urban railway authority is the government body responsible for developing, managing, and operating the urban metro and rail transit system in Ho Chi Minh City, Vietnam.
|
E775487
|
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: Ho Chi Minh City urban railway authority | Statement: [Line 3A (Ho Chi Minh City Metro), operator, Ho Chi Minh City urban railway authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ho Chi Minh City urban railway authority Context triple: [Line 3A (Ho Chi Minh City Metro), operator, Ho Chi Minh City urban railway authority]
-
A.
Ho Chi Minh City People’s Committee
The Ho Chi Minh City People’s Committee is the executive branch of local government responsible for administering and managing public affairs, development, and services in Ho Chi Minh City, Vietnam.
-
B.
Metro Rail Transit Corporation
Metro Rail Transit Corporation is a private consortium in the Philippines that financed, built, and initially operated Manila’s MRT Line 3 under a public–private partnership.
-
C.
Urban Rail Transport S.A.
Urban Rail Transport S.A. is the public company responsible for operating and managing urban rail systems in Athens, Greece, including metro and tram services.
-
D.
Guangzhou Metro Group
Guangzhou Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Guangzhou, China.
-
E.
Chongqing Rail Transit Group
Chongqing Rail Transit Group is the state-owned company responsible for building, operating, and managing the urban rail transit network in Chongqing, China.
- 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: Ho Chi Minh City urban railway authority Triple: [Line 3A (Ho Chi Minh City Metro), operator, Ho Chi Minh City urban railway authority]
Generated description
Ho Chi Minh City urban railway authority is the government body responsible for developing, managing, and operating the urban metro and rail transit system in Ho Chi Minh City, Vietnam.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ho Chi Minh City urban railway authority Target entity description: Ho Chi Minh City urban railway authority is the government body responsible for developing, managing, and operating the urban metro and rail transit system in Ho Chi Minh City, Vietnam.
-
A.
Ho Chi Minh City People’s Committee
The Ho Chi Minh City People’s Committee is the executive branch of local government responsible for administering and managing public affairs, development, and services in Ho Chi Minh City, Vietnam.
-
B.
Metro Rail Transit Corporation
Metro Rail Transit Corporation is a private consortium in the Philippines that financed, built, and initially operated Manila’s MRT Line 3 under a public–private partnership.
-
C.
Urban Rail Transport S.A.
Urban Rail Transport S.A. is the public company responsible for operating and managing urban rail systems in Athens, Greece, including metro and tram services.
-
D.
Guangzhou Metro Group
Guangzhou Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Guangzhou, China.
-
E.
Chongqing Rail Transit Group
Chongqing Rail Transit Group is the state-owned company responsible for building, operating, and managing the urban rail transit network in Chongqing, China.
- 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_69ca83d362e88190ae44b4e4dc194209 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69cc6b54423081908d9fd985109e336a |
completed | April 1, 2026, 12:48 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfebc90bf88190bbcdab07ca93f569 |
completed | April 3, 2026, 4:33 p.m. |
| NEDg | Description generation | batch_69cfecf7fce08190a9b80044a2ae9745 |
completed | April 3, 2026, 4:38 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cff0ea8c388190bd95233db9c69038 |
completed | April 3, 2026, 4:55 p.m. |
Created at: March 30, 2026, 7:10 p.m.