Triple
T22475389
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Clarke Quay MRT station |
E555614
|
entity |
| Predicate | isInTunnelSectionOfLine |
P145062
|
FINISHED |
| Object | North East Line |
—
|
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: North East Line | Statement: [Clarke Quay MRT station, isInTunnelSectionOfLine, North East Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North East Line Context triple: [Clarke Quay MRT station, isInTunnelSectionOfLine, North East Line]
-
A.
North East Line
chosen
The North East Line is a major fully underground Mass Rapid Transit line in Singapore that runs from HarbourFront in the south to Punggol in the northeast, connecting key residential and commercial areas.
-
B.
East–West Line
The East–West Line was the original name for what is now MARTA’s Blue Line, a major rapid transit route serving the Atlanta metropolitan area.
-
C.
East–West Line
The East–West Line is a major rapid transit line in Singapore’s MRT system that runs across the island from east to west, connecting key residential, commercial, and industrial areas.
-
D.
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.
-
E.
North–South Line
The North–South Line is a major Amsterdam Metro route that runs largely underground, connecting the city’s northern districts with the center and the south.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isInTunnelSectionOfLine Context triple: [Clarke Quay MRT station, isInTunnelSectionOfLine, North East Line]
-
A.
isInTunnelSystem
Indicates that one entity is located within or forms part of a tunnel system associated with another entity.
-
B.
hasTunnelSections
Indicates that an entity includes or is composed of multiple distinct tunnel segments or portions.
-
C.
isBetweenStationsOnLine
Indicates that something is located or occurs between two stations along the same transit line.
-
D.
isOnBranchOfLine
Indicates that something is located on or belongs to a specific branch of a larger line or route.
-
E.
identifiesStationWithinLine
chosen
Indicates that a specific station is recognized as belonging to, or located within, a particular transit line.
- F. None of above.
Provenance (3 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_69e11e52c2048190952dc5df209b9bed |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15be3930c8190ba967196df7e083f |
completed | April 29, 2026, 1:16 a.m. |
| PD | Predicate disambiguation | batch_69e898b6eee08190ba673a0ee329e671 |
completed | April 22, 2026, 9:45 a.m. |
Created at: April 16, 2026, 8:49 p.m.