Triple
T12723686
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MTR urban lines |
E304050
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | MTR Corporation |
E338342
|
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: MTR Corporation | Statement: [MTR urban lines, operatedBy, MTR Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MTR Corporation Context triple: [MTR urban lines, operatedBy, MTR Corporation]
-
A.
MTR Corporation
chosen
MTR Corporation is a Hong Kong-based public transport company best known for operating the city’s mass transit railway network and related property and infrastructure businesses.
-
B.
Cross-Harbour Tunnel Company Limited
Cross-Harbour Tunnel Company Limited is a Hong Kong-based company that formerly operated and managed the city’s first underwater road tunnel linking Hong Kong Island and Kowloon.
-
C.
Beijing MTR Corporation Limited
Beijing MTR Corporation Limited is a joint-venture rail transit company responsible for operating and managing several lines of the Beijing Subway system.
-
D.
The Peak Tramways Company, Limited
The Peak Tramways Company, Limited is the company that owns and operates Hong Kong’s historic Peak Tram funicular railway to Victoria Peak.
-
E.
MTR Nordic
MTR Nordic is a Swedish public transport company that operates and manages rail and metro services, including the Stockholm metro, as part of the global MTR Corporation group.
- 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_69d7bdf084148190ab9d513dc0735af4 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d964148f988190a4d0e7b41614fa64 |
completed | April 10, 2026, 8:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f684e61e7081908dec7958e8bc1125 |
completed | May 2, 2026, 11:12 p.m. |
Created at: April 9, 2026, 5:25 p.m.