Triple
T23132976
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yotsuya Station |
E577227
|
entity |
| Predicate | adjacentToStationOnLine |
P41425
|
FINISHED |
| Object | Ichigaya Station on the Tokyo Metro Namboku Line |
—
|
NE NERFINISHED |
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: Ichigaya Station on the Tokyo Metro Namboku Line | Statement: [Yotsuya Station, adjacentToStationOnLine, Ichigaya Station on the Tokyo Metro Namboku Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ichigaya Station on the Tokyo Metro Namboku Line Context triple: [Yotsuya Station, adjacentToStationOnLine, Ichigaya Station on the Tokyo Metro Namboku Line]
-
A.
Ichigaya Station on Toei Shinjuku Line
chosen
Ichigaya Station on the Toei Shinjuku Line is an underground subway station in central Tokyo serving the Shinjuku Line and providing convenient access to the Ichigaya business and educational district.
-
B.
Roppongi Station on Tokyo Metro Hibiya Line
Roppongi Station on the Tokyo Metro Hibiya Line is a major underground railway station in Tokyo’s Roppongi district, providing access to its nightlife, business centers, and attractions such as Roppongi Hills.
-
C.
Naka-Okachimachi Station on Hibiya Line
Naka-Okachimachi Station on the Hibiya Line is a Tokyo Metro subway station in Taito, Tokyo, serving the busy Ueno–Akihabara area with convenient access to shopping and business districts.
-
D.
Ginza Station on the Tokyo Metro Ginza Line
Ginza Station on the Tokyo Metro Ginza Line is a major underground subway station in Tokyo’s upscale Ginza district, serving as a key hub for shopping, dining, and business access.
-
E.
Tokyo Metro Fukutoshin Line (at Ikebukuro Station)
The Tokyo Metro Fukutoshin Line at Ikebukuro Station is a major Tokyo subway line and hub section that provides through-services to multiple private railways, facilitating heavy commuter traffic across central and suburban areas.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e245f7b0e481909c473ff4e6a54e2c |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18e89cce881908727a94dbc00e031 |
completed | April 29, 2026, 4:52 a.m. |
Created at: April 17, 2026, 4 p.m.