Triple
T1938849
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ho Chi Minh City Metro |
E41505
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Management Authority for Urban Railways (MAUR)
The Management Authority for Urban Railways (MAUR) is the government agency responsible for planning, developing, and overseeing urban rail transit projects in Ho Chi Minh City, Vietnam.
|
E216890
|
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: Management Authority for Urban Railways (MAUR) | Statement: [Ho Chi Minh City Metro, operator, Management Authority for Urban Railways (MAUR)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Management Authority for Urban Railways (MAUR) Context triple: [Ho Chi Minh City Metro, operator, Management Authority for Urban Railways (MAUR)]
-
A.
Abellio
Abellio is a Dutch-based public transport company that operates train and bus services in the United Kingdom and parts of Europe.
-
B.
Strategic Rail Authority
The Strategic Rail Authority was a UK government body responsible for overseeing and planning the country’s passenger rail services and franchises in the late 1990s and early 2000s.
-
C.
Union internationale des transports publics
The Union internationale des transports publics (UITP) is a global association that brings together public transport authorities, operators, and industry stakeholders to promote sustainable urban mobility and advance public transportation worldwide.
-
D.
International Union of Railways
The International Union of Railways is a global industry association that promotes cooperation, standardization, and development among railway companies and infrastructure managers worldwide.
-
E.
RATP group
RATP Group is a major French public transport operator that manages much of the Paris metro, tram, and bus networks and provides transit services internationally.
- 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: Management Authority for Urban Railways (MAUR) Triple: [Ho Chi Minh City Metro, operator, Management Authority for Urban Railways (MAUR)]
Generated description
The Management Authority for Urban Railways (MAUR) is the government agency responsible for planning, developing, and overseeing urban rail transit projects in Ho Chi Minh City, Vietnam.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Management Authority for Urban Railways (MAUR) Target entity description: The Management Authority for Urban Railways (MAUR) is the government agency responsible for planning, developing, and overseeing urban rail transit projects in Ho Chi Minh City, Vietnam.
-
A.
Abellio
Abellio is a Dutch-based public transport company that operates train and bus services in the United Kingdom and parts of Europe.
-
B.
Strategic Rail Authority
The Strategic Rail Authority was a UK government body responsible for overseeing and planning the country’s passenger rail services and franchises in the late 1990s and early 2000s.
-
C.
Union internationale des transports publics
The Union internationale des transports publics (UITP) is a global association that brings together public transport authorities, operators, and industry stakeholders to promote sustainable urban mobility and advance public transportation worldwide.
-
D.
International Union of Railways
The International Union of Railways is a global industry association that promotes cooperation, standardization, and development among railway companies and infrastructure managers worldwide.
-
E.
RATP group
RATP Group is a major French public transport operator that manages much of the Paris metro, tram, and bus networks and provides transit services internationally.
- 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_69a88649b24c819080047f26b6db2ded |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb2c8be648190836580cec77a143f |
completed | March 7, 2026, 5:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adf3f81e0c819090e3f2154215ff18 |
completed | March 8, 2026, 10:11 p.m. |
| NEDg | Description generation | batch_69adf4e94b5081909d4010612d81b917 |
completed | March 8, 2026, 10:15 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adf60463d88190896cedb2b45a67ed |
completed | March 8, 2026, 10:19 p.m. |
Created at: March 4, 2026, 7:36 p.m.