Triple
T6871210
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Tozai Line at Nihonbashi |
E158549
|
entity |
| Predicate | hasConnectionWith |
P845
|
FINISHED |
| Object | Toei Asakusa Line at Nihonbashi |
E154698
|
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 Asakusa Line at Nihonbashi | Statement: [Tokyo Metro Tozai Line at Nihonbashi, hasConnectionWith, Toei Asakusa Line at Nihonbashi]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Toei Asakusa Line at Nihonbashi Context triple: [Tokyo Metro Tozai Line at Nihonbashi, hasConnectionWith, Toei Asakusa Line at Nihonbashi]
-
A.
Toei Asakusa Line at Nihonbashi
chosen
The Toei Asakusa Line at Nihonbashi is a station on Tokyo’s Toei Asakusa subway line located in the Nihonbashi district, providing convenient transfers to other central Tokyo lines and access to a major commercial and business area.
-
B.
Tokyo Metro Tozai Line at Nihonbashi
Tokyo Metro Tozai Line at Nihonbashi is a key underground railway line stop in central Tokyo that serves the Nihonbashi business district and connects with multiple other subway lines for convenient citywide access.
-
C.
Toei Asakusa Line at Oshiage
The Toei Asakusa Line at Oshiage is a major subway station in Tokyo’s Sumida ward that serves the Toei Asakusa Line and provides convenient transfers to other key rail services, including the Tokyo Metro Hanzomon Line.
-
D.
Toei Mita Line at Otemachi
The Toei Mita Line at Otemachi is a major Tokyo subway line stop that serves as a key transfer point within the city’s extensive urban rail network.
-
E.
Toei Asakusa Line
The Toei Asakusa Line is a major Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, connecting central Tokyo with surrounding areas and offering through-services to several private railway 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_69c68831e3648190a643c328122e4d43 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d8ac04e08190aa8011c0ade9d509 |
completed | March 27, 2026, 7:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c748c0689081908d37d1530ed0f6a0 |
completed | March 28, 2026, 3:19 a.m. |
Created at: March 27, 2026, 2:22 p.m.