Triple
T6870430
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Seibu Yurakucho Line |
E158528
|
entity |
| Predicate | rollingStockUsed |
P5426
|
FINISHED |
| Object | Tokyu 5050-4000 series |
E135605
|
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 5050-4000 series | Statement: [Seibu Yurakucho Line, rollingStockUsed, Tokyu 5050-4000 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyu 5050-4000 series Context triple: [Seibu Yurakucho Line, rollingStockUsed, Tokyu 5050-4000 series]
-
A.
Tokyu 5050 series
chosen
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.
Tokyo Metro 10000 series
The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
-
D.
Seibu 40000 series
The Seibu 40000 series is a modern Japanese electric multiple unit train operated by Seibu Railway, designed for commuter services with features such as long-distance comfort seating and improved passenger amenities.
-
E.
Tokyo Metro 17000 series
The Tokyo Metro 17000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Fukutoshin and Yurakucho Lines with improved energy efficiency and passenger comfort.
- 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_69c68831e3648190a643c328122e4d43 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d8aa47f48190bc7cad3cc652f530 |
completed | March 27, 2026, 7:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7752f047481908fb58112d783ba1e |
completed | March 28, 2026, 6:29 a.m. |
Created at: March 27, 2026, 2:22 p.m.