Triple
T12917764
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MRT Brown Line |
E309030
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | Central Region of Singapore |
E887736
|
NE FINISHED |
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: Central Region of Singapore | Statement: [MRT Brown Line, regionServed, Central Region of Singapore]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Central Region of Singapore Context triple: [MRT Brown Line, regionServed, Central Region of Singapore]
-
A.
Central Region, Singapore
chosen
Central Region, Singapore is the country's primary urban core, encompassing the downtown business district, key commercial and cultural areas, and major civic landmarks.
-
B.
Western Region of Singapore
The Western Region of Singapore is a largely industrial and residential area of the country that includes major port, manufacturing, and logistics hubs.
-
C.
Central Area, Singapore
Central Area, Singapore is the primary downtown and commercial core of Singapore, encompassing key financial, civic, and cultural districts.
-
D.
North Region, Singapore
North Region, Singapore is an administrative region in the northern part of Singapore that includes residential and industrial towns such as Woodlands and serves as a key gateway to Malaysia.
-
E.
Rochor, Singapore
Rochor is a historic and centrally located planning area in Singapore known for its mix of traditional shophouses, cultural landmarks, and urban redevelopment.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d7bdf92b588190acdf2a2291ac4590 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d971a1e8088190af697629baecf59f |
completed | April 10, 2026, 9:54 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6a571a3e48190a32d362adc6eaee2 |
completed | May 3, 2026, 1:31 a.m. |
Created at: April 9, 2026, 5:41 p.m.