Triple
T18571928
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dhoby Ghaut MRT station |
E453894
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | SMRT Trains |
—
|
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: SMRT Trains | Statement: [Dhoby Ghaut MRT station, operator, SMRT Trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SMRT Trains Context triple: [Dhoby Ghaut MRT station, operator, SMRT Trains]
-
A.
SMRT Link
SMRT Link is a software suite from PacBio designed to manage, analyze, and visualize sequencing data generated by Sequel and other SMRT sequencing systems.
-
B.
MRT Grey Line
The MRT Grey Line is a planned rapid transit route within the MRT subway network designed to expand urban rail connectivity along its corridor.
-
C.
MRT subway
The MRT subway in Bangkok is a major rapid transit system that provides fast, air-conditioned underground and elevated rail services across key areas of the city.
-
D.
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.
-
E.
SMRT Buses services
SMRT Buses services are public bus routes operated by Singapore’s SMRT Corporation, providing urban and suburban transport connectivity across the city-state.
- 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: SMRT Trains Target entity description: SMRT Trains is a major rail operator in Singapore responsible for running key lines of the Mass Rapid Transit (MRT) system.
-
A.
SMRT Link
SMRT Link is a software suite from PacBio designed to manage, analyze, and visualize sequencing data generated by Sequel and other SMRT sequencing systems.
-
B.
MRT Grey Line
The MRT Grey Line is a planned rapid transit route within the MRT subway network designed to expand urban rail connectivity along its corridor.
-
C.
MRT subway
The MRT subway in Bangkok is a major rapid transit system that provides fast, air-conditioned underground and elevated rail services across key areas of the city.
-
D.
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.
-
E.
SMRT Buses services
SMRT Buses services are public bus routes operated by Singapore’s SMRT Corporation, providing urban and suburban transport connectivity across the city-state.
- 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.