Triple
T22118299
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | City Hall MRT station |
E546596
|
entity |
| Predicate | interchangeForLine |
P42836
|
FINISHED |
| Object | North South Line |
—
|
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: North South Line | Statement: [City Hall MRT station, interchangeForLine, North South Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North South Line Context triple: [City Hall MRT station, interchangeForLine, North South Line]
-
A.
North South Line
chosen
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.
-
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.
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.
-
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.
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.
- 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_69e11e38b3848190ac3a4fa97d56e65a |
completed | April 16, 2026, 5:36 p.m. |
| NER | Named-entity recognition | batch_69f1294fcf2c81909b610e03a0f1921f |
completed | April 28, 2026, 9:40 p.m. |
Created at: April 16, 2026, 8:31 p.m.