Triple
T9528057
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Outram |
E229812
|
entity |
| Predicate | servedByMRTLine |
P6301
|
FINISHED |
| Object | Thomson–East Coast Line |
E668997
|
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: Thomson–East Coast Line | Statement: [Outram, servedByMRTLine, Thomson–East Coast Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thomson–East Coast Line Context triple: [Outram, servedByMRTLine, Thomson–East Coast Line]
-
A.
Thomson–East Coast Line
chosen
The Thomson–East Coast Line is a major Mass Rapid Transit (MRT) line in Singapore that runs north–south and then eastward, connecting northern residential towns through the city centre to eastern coastal areas.
-
B.
Harbour Line
Harbour Line is a major corridor of Mumbai's suburban railway network that connects the city’s eastern waterfront and Navi Mumbai suburbs to key central and southern Mumbai terminals.
-
C.
Harbour Line
Harbour Line is a Copenhagen Metro route that serves areas along the city’s waterfront and harbor districts.
-
D.
Kingston Line
The Kingston Line is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail route serving communities south of Boston between the city and Kingston.
-
E.
T9 Northern Line
T9 Northern Line is a suburban passenger rail service forming part of the Sydney Trains network, connecting Sydney’s northern suburbs with the city and other key hubs.
- 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_69ca8479934c81908006d0e6e970ae05 |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd98b0466081908eb637e2185dea37 |
completed | April 1, 2026, 10:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d14c30c6008190b2eff99d74f18070 |
completed | April 4, 2026, 5:36 p.m. |
Created at: March 30, 2026, 8 p.m.