Triple
T12954177
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MTR Airport Express |
E309967
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | Adtranz–CAF EMU |
E865018
|
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: Adtranz–CAF EMU | Statement: [MTR Airport Express, rollingStock, Adtranz–CAF EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Adtranz–CAF EMU Context triple: [MTR Airport Express, rollingStock, Adtranz–CAF EMU]
-
A.
Adtranz–CAF EMU trains
chosen
Adtranz–CAF EMU trains are electric multiple-unit passenger trains jointly built by Adtranz and CAF, commonly used for high-frequency airport rail services.
-
B.
X'Trapolis EMU
The X'Trapolis EMU is a modern electric multiple unit train used for suburban passenger services on Melbourne’s metropolitan rail network.
-
C.
Civia EMU
Civia EMU is a class of electric multiple unit commuter trains used by Spain’s Renfe for suburban and regional passenger services.
-
D.
Alstom Coradia Minuetto
The Alstom Coradia Minuetto is a family of low-floor regional diesel and electric multiple-unit trains used for commuter and regional services, particularly in Italy.
-
E.
Alstom Coradia Stream
The Alstom Coradia Stream is a family of modern, low-floor electric and diesel multiple-unit trains designed for regional and intercity services in Europe, known for high energy efficiency, modularity, and passenger comfort.
- 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_69d7bdfb57a88190836b743e2825feca |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d97e2b0108819098a681f93e90dbda |
completed | April 10, 2026, 10:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6af7ba4d88190952622e7a07ab39e |
completed | May 3, 2026, 2:14 a.m. |
Created at: April 9, 2026, 5:44 p.m.