Triple
T23533159
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mass Rapid Transit (MRT) network of Singapore |
E576622
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object | Thomson–East Coast 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: Thomson–East Coast Line | Statement: [Mass Rapid Transit (MRT) network of Singapore, hasLine, Thomson–East Coast Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thomson–East Coast Line Context triple: [Mass Rapid Transit (MRT) network of Singapore, hasLine, 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.
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 central areas like Raffles Place with northern residential towns.
-
E.
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.
- 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_69e245f5a8848190a2ba42e271c6c31f |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f1ac79800081908907bce55b9c68cf |
completed | April 29, 2026, 7 a.m. |
Created at: April 17, 2026, 6:10 p.m.