Triple
T15252436
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toei Mita Line |
E364550
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | Toei 6500 series |
E812008
|
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: Toei 6500 series | Statement: [Toei Mita Line, rollingStock, Toei 6500 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Toei 6500 series Context triple: [Toei Mita Line, rollingStock, Toei 6500 series]
-
A.
Toei 5500 series
The Toei 5500 series is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services and improved comfort and performance on the Toei Asakusa Line.
-
B.
Toei 10-520 series
The Toei 10-520 series is a modern electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation on the Toei Shinjuku Line, featuring updated interiors and systems compared to earlier 10-000 series variants.
-
C.
Toei 10-300 series
The Toei 10-300 series is a Japanese electric multiple unit train type operated by the Tokyo Metropolitan Bureau of Transportation on the Toei Subway, known for its modern design and through-services with JR lines.
-
D.
Toei 12-000 series
The Toei 12-000 series is a fleet of electric multiple unit trains operated by the Tokyo Metropolitan Bureau of Transportation on the Toei Ōedo Line, known for their deep-level subway operation and distinctive modern design.
-
E.
Toei 6500 series EMU
chosen
The Toei 6500 series EMU is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services on Tokyo subway and interconnecting commuter lines.
- 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_69d85a0dde7481908fc64d1e82d5d20d |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e007f728648190b2c86e4528542b65 |
completed | April 15, 2026, 9:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69feef6c25808190af46f4cab56f133c |
completed | May 9, 2026, 8:25 a.m. |
Created at: April 10, 2026, 3:13 a.m.