Triple
T11375629
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 802 |
E269459
|
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: [British Rail Class 802, 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: [British Rail Class 802, 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.
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.
-
C.
Tokyo Metro 16000 series
The Tokyo Metro 16000 series is a modern electric multiple unit train type operated by Tokyo Metro, primarily used for commuter services on the Chiyoda Line.
-
D.
Tokyo Metro 9000 series EMU
The Tokyo Metro 9000 series EMU is a Japanese electric multiple unit train type used for commuter services on Tokyo Metro’s Namboku Line and through-services onto lines such as the Tokyu Meguro Line.
-
E.
Tokyo Monorail 10000 series
The Tokyo Monorail 10000 series is a modern electric multiple-unit monorail train used on the Tokyo Monorail line, featuring updated interiors, improved accessibility, and energy-efficient systems for airport access services.
- 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_69d6aacca1048190b39dbbc2174616fa |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7ea8e6d44819095f949581421e98e |
completed | April 9, 2026, 6:06 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e5568e3e108190ab843236b417f150 |
completed | April 19, 2026, 10:26 p.m. |
Created at: April 8, 2026, 9:33 p.m.