Triple
T16534806
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hanzomon Line |
E401663
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | Tokyu 2020 series |
E141732
|
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: Tokyu 2020 series | Statement: [Hanzomon Line, rollingStock, Tokyu 2020 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyu 2020 series Context triple: [Hanzomon Line, rollingStock, Tokyu 2020 series]
-
A.
Tokyu 2020 series
chosen
The Tokyu 2020 series is a modern Japanese electric multiple unit train type operated by Tokyu Corporation on commuter lines in the Tokyo area.
-
B.
Tokyu 5050 series
The Tokyu 5050 series is a Japanese electric multiple unit commuter train type operated by Tokyu Corporation and used on through-services with Tokyo Metro and other railway lines in the Tokyo area.
-
C.
Tokyu 7000 series
The Tokyu 7000 series is a Japanese electric multiple unit train type operated by Tokyu Corporation and formerly used on Tokyo Metro’s Hibiya Line, known for its stainless-steel body and commuter service design.
-
D.
Tokyu 5000 series
The Tokyu 5000 series is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services in the Tokyo metropolitan area.
-
E.
Tokyo Metro 2000 series
The Tokyo Metro 2000 series is a modern electric multiple unit train used on Tokyo’s subway network, featuring energy-efficient systems and updated passenger amenities.
- 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_69d88384bc30819084229e7dcdc39a41 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e345574d88819094548367bf983078 |
completed | April 18, 2026, 8:48 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a006093244081909ae74674de966d6d |
completed | May 10, 2026, 10:40 a.m. |
Created at: April 10, 2026, 5:15 a.m.