Triple
T3404097
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ginza |
E71727
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Toei Asakusa Line (via Higashi-ginza) |
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 (via Higashi-ginza) | Statement: [Ginza, servedBy, Toei Asakusa Line (via Higashi-ginza)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Toei Asakusa Line (via Higashi-ginza) Context triple: [Ginza, servedBy, Toei Asakusa Line (via Higashi-ginza)]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Toei Shinjuku Line at Kudanshita
The Toei Shinjuku Line at Kudanshita is a station on Tokyo’s Toei Shinjuku subway line that serves as a key transfer point in central Tokyo.
-
E.
Tokyo Metro Ginza Line
The Tokyo Metro Ginza Line is one of Tokyo’s oldest and most central subway lines, running east–west through major commercial and business districts including Shibuya and Ginza.
- 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_69ad85aac4808190a092c9cc8911f584 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb8e8ea848190b4ac167f1aba8ebd |
completed | March 8, 2026, 5:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b34bd69f388190981da6454dfd4fb1 |
completed | March 12, 2026, 11:27 p.m. |
Created at: March 8, 2026, 3:14 p.m.