Triple
T22236512
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 319 |
E549606
|
entity |
| Predicate | family |
P566
|
FINISHED |
| Object | Mark 3-based EMU |
—
|
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: Mark 3-based EMU | Statement: [British Rail Class 319, family, Mark 3-based EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mark 3-based EMU Context triple: [British Rail Class 319, family, Mark 3-based EMU]
-
A.
Rejuvenation EMU
Rejuvenation EMU is a high-speed electric multiple unit train used in China’s Fuxing series, known for its advanced technology and fast intercity service.
-
B.
Class 313 EMU
The Class 313 EMU is a British dual-voltage electric multiple unit train introduced in the 1970s, notable for being among the first of its kind to operate on both overhead and third-rail power systems.
-
C.
TX-1000 series EMU
The TX-1000 series EMU is a Japanese electric multiple unit train type operated on the Tsukuba Express line, designed for high-frequency commuter services in the Tokyo metropolitan area.
-
D.
Class 317 EMU
chosen
The Class 317 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban and commuter services on 25 kV AC overhead electrified routes.
-
E.
TX-2000 series EMU
The TX-2000 series EMU is a Japanese electric multiple unit train used on the Tsukuba Express line, designed for high-speed, comfortable commuter service.
- 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_69e11e4102b881909cf47d3768e25c19 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f12bf7b1d8819091087dcfdb2e967c |
completed | April 28, 2026, 9:51 p.m. |
Created at: April 16, 2026, 8:38 p.m.