Triple
T14060972
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MTR Corporation |
E338342
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object | South Island line |
E999779
|
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: South Island line | Statement: [MTR Corporation, operates, South Island line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Island line Context triple: [MTR Corporation, operates, South Island line]
-
A.
South Island line
chosen
The South Island line is a rapid transit route of Hong Kong's MTR system serving the southern part of Hong Kong Island.
-
B.
Wairarapa Line
The Wairarapa Line is a major railway route in New Zealand’s North Island that connects Wellington with the Wairarapa region and several inland towns.
-
C.
Onehunga Line
The Onehunga Line is a suburban commuter rail service in Auckland, New Zealand, connecting the suburb of Onehunga with central city stations as part of the Auckland rail network.
-
D.
Palmerston North–Gisborne Line
The Palmerston North–Gisborne Line is a major railway route in New Zealand’s North Island that historically connected the inland Manawatū region with the east coast city of Gisborne.
-
E.
Kāpiti Line
The Kāpiti Line is a suburban railway line in the Wellington region of New Zealand that connects central Wellington with the Kāpiti Coast communities.
- 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_69d81c67ba6c819091935650dfb3b895 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de5686f51c81908c33143ecbaae83d |
completed | April 14, 2026, 3 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcb6654850819083262f3fb981eb1a |
completed | May 7, 2026, 3:57 p.m. |
Created at: April 9, 2026, 10:21 p.m.