Triple
T3472237
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tanimachi Line |
E73288
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object | Osaka Metro 22 series |
E323957
|
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: Osaka Metro 22 series | Statement: [Tanimachi Line, hasRollingStock, Osaka Metro 22 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Osaka Metro 22 series Context triple: [Tanimachi Line, hasRollingStock, Osaka Metro 22 series]
-
A.
Osaka Metro 25 series
The Osaka Metro 25 series is a type of electric multiple unit train used for passenger services on Osaka’s subway network.
-
B.
Osaka Metro 30000 series
The Osaka Metro 30000 series is a modern electric multiple unit train type operated by Osaka Metro, featuring air conditioning, energy-efficient systems, and improved passenger comfort for urban subway services.
-
C.
Osaka Metro 22 series trains
chosen
The Osaka Metro 22 series trains are electric multiple units operating on Osaka’s subway network, designed for efficient, high-capacity urban passenger service.
-
D.
Osaka Metro 30 series trains
The Osaka Metro 30 series trains are electric multiple units operating on Osaka’s subway network, known for their stainless-steel bodies and use on busy urban lines such as the Tanimachi Line.
-
E.
Tokyo Metro 18000 series
The Tokyo Metro 18000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Hanzomon Line and connecting suburban routes.
- 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_69ad85b2fed48190948c8765e453d270 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adbb3cc8488190b97c732e3f600a90 |
completed | March 8, 2026, 6:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b36810958c81908982e0ef996dc480 |
completed | March 13, 2026, 1:27 a.m. |
Created at: March 8, 2026, 3:17 p.m.