Triple
T16592536
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Namboku Line |
E403125
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | Tokyu 5080 series |
E807549
|
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 5080 series | Statement: [Namboku Line, rollingStock, Tokyu 5080 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyu 5080 series Context triple: [Namboku Line, rollingStock, Tokyu 5080 series]
-
A.
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.
-
B.
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.
-
C.
Tokyu 5080 series EMU
chosen
The Tokyu 5080 series EMU is a Japanese electric multiple unit train operated by Tokyu Corporation, primarily used for commuter services in the Tokyo area with through-running onto various subway and interurban lines.
-
D.
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.
-
E.
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.
- 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_69d88387363c8190a97a0c942130de97 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e359a123e8819095cd73cd848a3345 |
completed | April 18, 2026, 10:14 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a008a275910819086b49ce741045ecf |
completed | May 10, 2026, 1:37 p.m. |
Created at: April 10, 2026, 5:16 a.m.