Triple
T22302270
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Raffles Place MRT station |
E551285
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object | North–South 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–South line | Statement: [Raffles Place MRT station, servedByLine, North–South line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North–South line Context triple: [Raffles Place MRT station, servedByLine, North–South line]
-
A.
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.
-
B.
North–South Line
The North–South Line is a primary rapid transit corridor in the Metropolitan Atlanta Rapid Transit Authority (MARTA) system, running along a north–south axis through the Atlanta metropolitan area.
-
C.
Northeast Line
The Northeast Line, now known as MARTA's Gold Line, is a rapid transit route serving key northeastern suburbs and neighborhoods of Atlanta, Georgia.
-
D.
Northwest–East Line
The Northwest–East Line is the primary rapid transit route of Baltimore's Metro SubwayLink system, running across the city from the northwest suburbs toward the eastern side.
-
E.
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.
- 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: North–South line Target entity description: The North–South line is one of Singapore’s main Mass Rapid Transit (MRT) lines, running in a generally north–south direction and connecting central areas like Raffles Place with northern residential towns.
-
A.
North–South Line
The North–South Line is a primary rapid transit corridor in the Metropolitan Atlanta Rapid Transit Authority (MARTA) system, running along a north–south axis through the Atlanta metropolitan area.
-
B.
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.
-
C.
Northeast Line
The Northeast Line, now known as MARTA's Gold Line, is a rapid transit route serving key northeastern suburbs and neighborhoods of Atlanta, Georgia.
-
D.
Northwest–East Line
The Northwest–East Line is the primary rapid transit route of Baltimore's Metro SubwayLink system, running across the city from the northwest suburbs toward the eastern side.
-
E.
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.
- 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_69e11e46c0188190800181a4233f28fe |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f1572517588190bef6f8bfb76afb19 |
completed | April 29, 2026, 12:56 a.m. |
Created at: April 16, 2026, 8:41 p.m.