Triple
T9815393
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Osaka Metro Yotsubashi Line |
E238389
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | Osaka Metro 23 series |
E364664
|
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 23 series | Statement: [Osaka Metro Yotsubashi Line, rollingStock, Osaka Metro 23 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Osaka Metro 23 series Context triple: [Osaka Metro Yotsubashi Line, rollingStock, Osaka Metro 23 series]
-
A.
Osaka Metro 23 series
chosen
The Osaka Metro 23 series is a type of electric multiple unit train operated on Osaka’s subway network, specifically serving the Yotsubashi Line.
-
B.
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.
-
C.
Osaka Metro 20 series
The Osaka Metro 20 series is a type of electric multiple unit train used on Osaka's subway network, known for its stainless-steel construction and service on several key lines.
-
D.
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.
-
E.
Osaka Metro 24 series
The Osaka Metro 24 series is a type of electric multiple unit train used for urban rapid transit services on Osaka’s subway network.
- 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_69ca84dfde1481909f47c286d715f892 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdb2f341648190bf8343e1124085cb |
completed | April 2, 2026, 12:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1cc6c64dc8190979be34255dc22e5 |
completed | April 5, 2026, 2:43 a.m. |
Created at: March 30, 2026, 8:30 p.m.