Triple
T23499704
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Automatic Train Operation |
E571804
|
entity |
| Predicate | implementedIn |
P2539
|
FINISHED |
| Object | Singapore MRT |
—
|
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: Singapore MRT | Statement: [Automatic Train Operation, implementedIn, Singapore MRT]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Singapore MRT Context triple: [Automatic Train Operation, implementedIn, Singapore MRT]
-
A.
SMRT Trains
SMRT Trains is a major rail operator in Singapore responsible for running key lines of the Mass Rapid Transit (MRT) system.
-
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.
Mass Rapid Transit (MRT) network of Singapore
chosen
The Mass Rapid Transit (MRT) network of Singapore is a high-capacity urban rail system that forms the backbone of the city-state’s public transport, efficiently connecting key residential, commercial, and industrial areas.
-
D.
East West MRT line
The East West MRT line is one of Singapore’s major rapid transit lines, running across the island to connect key residential, commercial, and industrial areas.
-
E.
MRT Purple Line
The MRT Purple Line is a mass rapid transit route in Bangkok, Thailand, serving as one of the city's key urban rail corridors.
- 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_69e245b4829881909b77a70e942bbd54 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1a8fb71c08190a30500b3f63a9ce6 |
completed | April 29, 2026, 6:45 a.m. |
Created at: April 17, 2026, 6:06 p.m.