Triple
T22904491
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Limited Express Romancecar |
E568407
|
entity |
| Predicate | rollingStockSeries |
P45556
|
FINISHED |
| Object | Odakyu 50000 series VSE |
—
|
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: Odakyu 50000 series VSE | Statement: [Limited Express Romancecar, rollingStockSeries, Odakyu 50000 series VSE]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Odakyu 50000 series VSE Context triple: [Limited Express Romancecar, rollingStockSeries, Odakyu 50000 series VSE]
-
A.
Odakyu 60000 series MSE
The Odakyu 60000 series MSE is a Japanese limited express electric multiple unit train operated by Odakyu Electric Railway, known for its premium "Romancecar" services.
-
B.
Odakyu 5000 series EMU (second generation)
The Odakyu 5000 series EMU (second generation) is a modern Japanese commuter electric multiple unit operated by Odakyu Electric Railway, designed for high-capacity, comfortable suburban services around the Tokyo area.
-
C.
Odakyu 4000 series
The Odakyu 4000 series is a Japanese electric multiple unit commuter train type operated by Odakyu Electric Railway, designed for through-services with Tokyo Metro and known for its modern, energy-efficient features.
-
D.
Odakyu 70000 series GSE
The Odakyu 70000 series GSE is a premium limited express electric multiple unit train operated by Odakyu Electric Railway in Japan, known for its panoramic observation decks and use on Romancecar services.
-
E.
Odakyu 1000 series EMU
The Odakyu 1000 series EMU is a Japanese electric multiple unit train type operated by Odakyu Electric Railway for commuter services in the Tokyo area.
- 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: Odakyu 50000 series VSE Target entity description: The Odakyu 50000 series VSE is a distinctive tilting electric multiple unit train operated by Odakyu Electric Railway in Japan, known for its futuristic design and use on premium Romancecar limited express services.
-
A.
Odakyu 60000 series MSE
The Odakyu 60000 series MSE is a Japanese limited express electric multiple unit train operated by Odakyu Electric Railway, known for its premium "Romancecar" services.
-
B.
Odakyu 5000 series EMU (second generation)
The Odakyu 5000 series EMU (second generation) is a modern Japanese commuter electric multiple unit operated by Odakyu Electric Railway, designed for high-capacity, comfortable suburban services around the Tokyo area.
-
C.
Odakyu 4000 series
The Odakyu 4000 series is a Japanese electric multiple unit commuter train type operated by Odakyu Electric Railway, designed for through-services with Tokyo Metro and known for its modern, energy-efficient features.
-
D.
Odakyu 70000 series GSE
The Odakyu 70000 series GSE is a premium limited express electric multiple unit train operated by Odakyu Electric Railway in Japan, known for its panoramic observation decks and use on Romancecar services.
-
E.
Odakyu 1000 series EMU
The Odakyu 1000 series EMU is a Japanese electric multiple unit train type operated by Odakyu Electric Railway for commuter services in the Tokyo area.
- 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_69e2458cd9e48190943ad2e34485d939 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1801895f48190bb8d49a41feac7ef |
completed | April 29, 2026, 3:50 a.m. |
Created at: April 17, 2026, 3:41 p.m.