Triple
T14060970
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MTR Corporation |
E338342
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object | West Rail line |
E1077752
|
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: West Rail line | Statement: [MTR Corporation, operates, West Rail line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Rail line Context triple: [MTR Corporation, operates, West Rail line]
-
A.
West Rail Line
chosen
The West Rail Line was a major commuter railway line in Hong Kong’s MTR network, serving the northwestern New Territories and connecting residential districts to urban Kowloon.
-
B.
MTR East Rail line
The MTR East Rail line is a major commuter railway in Hong Kong that runs through the New Territories and into urban Kowloon, forming part of the city’s heavy rail rapid transit network.
-
C.
MTR Tsuen Wan Line
The MTR Tsuen Wan Line is one of Hong Kong’s primary urban metro lines, running through key commercial and residential districts from Central Kowloon to the New Territories.
-
D.
Island Line of MTR
The Island Line of the MTR is a major rapid transit line running along the northern shore of Hong Kong Island, connecting key commercial, residential, and business districts.
-
E.
MTR Tseung Kwan O Line
The MTR Tseung Kwan O Line is a rapid transit line of Hong Kong’s Mass Transit Railway system that connects urban Kowloon with the Tseung Kwan O New Town in the New Territories.
- 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_69fd4c255d8c81908bdac0a28718563e |
completed | May 8, 2026, 2:36 a.m. |
Created at: April 9, 2026, 10:21 p.m.