Triple
T23527912
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CRRC Changchun Railway Vehicles |
E576482
|
entity |
| Predicate | notableCustomer |
P7186
|
FINISHED |
| Object | Hong Kong MTR |
—
|
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: Hong Kong MTR | Statement: [CRRC Changchun Railway Vehicles, notableCustomer, Hong Kong MTR]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hong Kong MTR Context triple: [CRRC Changchun Railway Vehicles, notableCustomer, Hong Kong MTR]
-
A.
Hong Kong Mass Transit Railway
chosen
Hong Kong Mass Transit Railway is Hong Kong’s extensive rapid transit network, known for its high efficiency, reliability, and integration with the city’s urban development.
-
B.
MTR Tuen Ma line
The MTR Tuen Ma line is a major heavy-rail metro line in Hong Kong that runs across the New Territories and Kowloon, connecting eastern and western districts through key residential and commercial areas.
-
C.
MTR Light Rail
MTR Light Rail is a local light rail transit system in Hong Kong’s northwestern New Territories, providing frequent, short-distance services that connect residential areas with major MTR heavy rail lines.
-
D.
MTR
MTR is the station code for Matara railway station, a key terminus on Sri Lanka’s coastal railway line.
-
E.
MTR urban lines
MTR urban lines are a network of rapid transit railway services forming the core of Hong Kong’s mass transit system, particularly serving dense urban areas such as Kowloon.
- 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_69f1ac758038819098f5f597be39274e |
completed | April 29, 2026, 7 a.m. |
Created at: April 17, 2026, 6:09 p.m.