Triple
T22118306
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | City Hall MRT station |
E546596
|
entity |
| Predicate | ownedBy |
P347
|
FINISHED |
| Object | Land Transport Authority |
—
|
NE NERFINISHED |
How this triple was built (2 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: Land Transport Authority | Statement: [City Hall MRT station, ownedBy, Land Transport Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Land Transport Authority Context triple: [City Hall MRT station, ownedBy, Land Transport Authority]
-
A.
Land Transport Authority of Singapore
chosen
The Land Transport Authority of Singapore is a statutory board under the Ministry of Transport responsible for planning, developing, operating, and regulating Singapore’s land transport system and infrastructure.
-
B.
Ministry of Transport (Singapore)
The Ministry of Transport (Singapore) is the national government ministry responsible for planning, regulating, and overseeing Singapore’s land, air, and sea transport systems and infrastructure.
-
C.
Roads and Transport Authority
The Roads and Transport Authority is Dubai’s government agency responsible for planning, operating, and regulating the emirate’s public transport systems and road infrastructure.
-
D.
SBS Transit
SBS Transit is a major public transport operator in Singapore, running extensive bus and rail services including several Mass Rapid Transit (MRT) and Light Rail Transit (LRT) lines.
-
E.
Road Traffic Management Corporation
The Road Traffic Management Corporation is a South African public entity responsible for coordinating and improving road traffic law enforcement, road safety, and traffic management across the country.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e11e38b3848190ac3a4fa97d56e65a |
completed | April 16, 2026, 5:36 p.m. |
| NER | Named-entity recognition | batch_69f1294fcf2c81909b610e03a0f1921f |
completed | April 28, 2026, 9:40 p.m. |
Created at: April 16, 2026, 8:31 p.m.