Triple
T23324199
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hitachi A-Train |
E591241
|
entity |
| Predicate | hasVariant |
P455
|
FINISHED |
| Object | 885 series |
—
|
NE NERFINISHED |
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: 885 series | Statement: [Hitachi A-Train, hasVariant, 885 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 885 series Context triple: [Hitachi A-Train, hasVariant, 885 series]
-
A.
683 series EMU
The 683 series EMU is a Japanese electric multiple unit train operated by JR West, best known for its use on high-speed limited express services in the Hokuriku region.
-
B.
446 series EMU
The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
-
C.
E531 series
The E531 series is a Japanese dual-voltage electric multiple unit train operated by JR East, primarily used for suburban and intercity services in the Kanto region.
-
D.
R143 series
The R143 series is a class of New York City Subway rolling stock built for the B Division, featuring modern automated train control capabilities and used primarily on the L line.
-
E.
447 series EMU
The 447 series EMU is a class of Spanish electric multiple-unit commuter trains widely used by Renfe for suburban rail services.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 885 series Target entity description: The 885 series is a Japanese tilting limited express electric multiple unit train operated by JR Kyushu, known for its sleek design and use on intercity services in Kyushu.
-
A.
683 series EMU
The 683 series EMU is a Japanese electric multiple unit train operated by JR West, best known for its use on high-speed limited express services in the Hokuriku region.
-
B.
446 series EMU
The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
-
C.
E531 series
The E531 series is a Japanese dual-voltage electric multiple unit train operated by JR East, primarily used for suburban and intercity services in the Kanto region.
-
D.
R143 series
The R143 series is a class of New York City Subway rolling stock built for the B Division, featuring modern automated train control capabilities and used primarily on the L line.
-
E.
447 series EMU
The 447 series EMU is a class of Spanish electric multiple-unit commuter trains widely used by Renfe for suburban rail services.
- F. None of above. chosen
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_69e25d1effe4819096907f95f610dbff |
completed | April 17, 2026, 4:17 p.m. |
| NER | Named-entity recognition | batch_69f19787ee90819083416193efaab20f |
completed | April 29, 2026, 5:30 a.m. |
Created at: April 17, 2026, 5:08 p.m.