Triple
T18571929
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dhoby Ghaut MRT station |
E453894
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | SBS Transit |
—
|
NE NERFINISHED |
How this triple was built (3 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: SBS Transit | Statement: [Dhoby Ghaut MRT station, operator, SBS Transit]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SBS Transit Context triple: [Dhoby Ghaut MRT station, operator, SBS Transit]
-
A.
Mass Rapid Transit Corporation
Mass Rapid Transit Corporation is a Malaysian government-owned company responsible for developing and overseeing major urban rail transit projects in the country.
-
B.
KTM East Coast Line
The KTM East Coast Line is a major Malaysian railway route operated by Keretapi Tanah Melayu (KTM), running along the country’s east coast and serving numerous rural and regional communities.
-
C.
Transit Services Bureau
Transit Services Bureau is a specialized division of the Los Angeles County Sheriff's Department responsible for providing law enforcement and security services on the county’s public transit systems.
-
D.
Klang Valley Integrated Transit System
The Klang Valley Integrated Transit System is a comprehensive public transportation network in Malaysia’s Klang Valley region that links multiple rail and bus services into a unified, interoperable system for urban commuters.
-
E.
North South Line
The North South Line is one of Singapore’s main Mass Rapid Transit (MRT) lines, running in a generally north–south direction and connecting key residential towns like Woodlands with the city centre.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: SBS Transit Target entity description: 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.
-
A.
Mass Rapid Transit Corporation
Mass Rapid Transit Corporation is a Malaysian government-owned company responsible for developing and overseeing major urban rail transit projects in the country.
-
B.
KTM East Coast Line
The KTM East Coast Line is a major Malaysian railway route operated by Keretapi Tanah Melayu (KTM), running along the country’s east coast and serving numerous rural and regional communities.
-
C.
Transit Services Bureau
Transit Services Bureau is a specialized division of the Los Angeles County Sheriff's Department responsible for providing law enforcement and security services on the county’s public transit systems.
-
D.
Klang Valley Integrated Transit System
The Klang Valley Integrated Transit System is a comprehensive public transportation network in Malaysia’s Klang Valley region that links multiple rail and bus services into a unified, interoperable system for urban commuters.
-
E.
North South Line
The North South Line is one of Singapore’s main Mass Rapid Transit (MRT) lines, running in a generally north–south direction and connecting key residential towns like Woodlands with the city centre.
- F. None of above. chosen
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_69d8d38974308190a9174430ef256b73 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e53b032488819098de683bb5c42c4b |
completed | April 19, 2026, 8:28 p.m. |
Created at: April 10, 2026, 11:43 a.m.