Triple
T12229872
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central MTR station |
E291444
|
entity |
| Predicate | isKeyInterchangeInNetwork |
P31316
|
FINISHED |
| Object | MTR urban lines |
E304050
|
NE FINISHED |
How this triple was built (3 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 urban lines | Statement: [Central MTR station, isKeyInterchangeInNetwork, MTR urban lines]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MTR urban lines Context triple: [Central MTR station, isKeyInterchangeInNetwork, MTR urban lines]
-
A.
MTR urban lines
chosen
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.
-
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 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.
-
D.
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.
-
E.
MTR Tung Chung Line
The MTR Tung Chung Line is a major Hong Kong metro line that connects urban Kowloon and Hong Kong Island with the new town of Tung Chung and the airport area on Lantau Island.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isKeyInterchangeInNetwork Context triple: [Central MTR station, isKeyInterchangeInNetwork, MTR urban lines]
-
A.
isKeyInterchangeFor
Indicates that one location or facility serves as a primary transfer point connecting major routes, lines, or modes of transport for another.
-
B.
isKeyTransitHub
chosen
Indicates that a location functions as a major transfer point where multiple transportation routes or modes intersect and a high volume of passenger or cargo movement is concentrated.
-
C.
isKeyEndpointOf
Indicates that one endpoint in a connection, link, or structure serves as the primary or designated key endpoint of the other.
-
D.
isInterchangeBetween
Indicates a relationship where something serves as a point or medium through which two or more entities can exchange or transfer items, information, or traffic between each other.
-
E.
isInterchange
Indicates that two entities can be substituted or exchanged for one another without affecting the relevant system, function, or outcome.
- F. None of above.
Provenance (4 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_69d6ab668acc8190963ba424049d6aee |
completed | April 8, 2026, 7:24 p.m. |
| NER | Named-entity recognition | batch_69d924a3973c8190a882046963b320fb |
completed | April 10, 2026, 4:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f64b873c308190a2c1d02723cfa2e9 |
completed | May 2, 2026, 7:07 p.m. |
| PD | Predicate disambiguation | batch_69d91c41bcbc81909782f4e3c571b218 |
completed | April 10, 2026, 3:50 p.m. |
Created at: April 8, 2026, 9:51 p.m.