Triple
T21916834
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | ATS-P |
E541201
|
entity |
| Predicate | usedOnRollingStock |
P5426
|
FINISHED |
| Object | E531 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: E531 series | Statement: [ATS-P, usedOnRollingStock, E531 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: E531 series Context triple: [ATS-P, usedOnRollingStock, E531 series]
-
A.
E217 series
The E217 series is a Japanese electric multiple unit train type that operated primarily on JR East’s Yokosuka and Sobu Line services from the mid-1990s until its phased retirement.
-
B.
E131 series
The E131 series is a modern Japanese electric multiple unit train type operated by JR East for suburban and regional passenger services.
-
C.
E257 series
The E257 series is a Japanese electric multiple unit train type operated by JR East, primarily used for limited express passenger services.
-
D.
E259 series EMU
The E259 series EMU is a Japanese electric multiple unit train operated by JR East, primarily used for limited express airport services such as the Narita Express.
-
E.
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.
- 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: E531 series Target entity description: 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.
-
A.
E217 series
The E217 series is a Japanese electric multiple unit train type that operated primarily on JR East’s Yokosuka and Sobu Line services from the mid-1990s until its phased retirement.
-
B.
E131 series
The E131 series is a modern Japanese electric multiple unit train type operated by JR East for suburban and regional passenger services.
-
C.
E257 series
The E257 series is a Japanese electric multiple unit train type operated by JR East, primarily used for limited express passenger services.
-
D.
E259 series EMU
The E259 series EMU is a Japanese electric multiple unit train operated by JR East, primarily used for limited express airport services such as the Narita Express.
-
E.
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.
- 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_69e0c47c4b9c8190a5586a75f5f36453 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f1233858308190a877d8015db4d380 |
completed | April 28, 2026, 9:14 p.m. |
Created at: April 16, 2026, 7:43 p.m.