Triple
T16812275
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | LNER Azuma |
E408643
|
entity |
| Predicate | basedOn |
P98
|
FINISHED |
| Object | Hitachi A-train platform |
E591241
|
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: Hitachi A-train platform | Statement: [LNER Azuma, basedOn, Hitachi A-train platform]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hitachi A-train platform Context triple: [LNER Azuma, basedOn, Hitachi A-train platform]
-
A.
Hitachi A-Train
chosen
The Hitachi A-Train is a modular family of lightweight, aluminum-bodied electric and diesel-electric multiple units designed by Hitachi for high-speed and commuter rail services worldwide.
-
B.
Hitachi Monorail
Hitachi Monorail is a Japanese monorail system developed by Hitachi, Ltd., widely used in urban transit lines in Japan and abroad for its reliable, straddle-beam design.
-
C.
Kinkisharyo light rail vehicles
Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
-
D.
Hitachi EMU
Hitachi EMU is a type of electric multiple unit train manufactured by Hitachi, used for urban mass rapid transit services.
-
E.
Sendai Subway 1000 series
The Sendai Subway 1000 series is an electric multiple unit train type operated on the Sendai Subway Namboku Line in Sendai, Japan.
- 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_69d88393905081908d00a86b99996ac8 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e3b2df5c888190a462614e1432c357 |
completed | April 18, 2026, 4:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00c29ea9fc81909087cdf28c9c9fc0 |
completed | May 10, 2026, 5:38 p.m. |
Created at: April 10, 2026, 5:23 a.m.