Triple
T23132973
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yotsuya Station |
E577227
|
entity |
| Predicate | adjacentToStationOnLine |
P41425
|
FINISHED |
| Object | Ichigaya Station on the Chūō-Sōbu 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 Chūō-Sōbu Line | Statement: [Yotsuya Station, adjacentToStationOnLine, Ichigaya Station on the Chūō-Sōbu Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ichigaya Station on the Chūō-Sōbu Line Context triple: [Yotsuya Station, adjacentToStationOnLine, Ichigaya Station on the Chūō-Sōbu Line]
-
A.
Shinanomachi Station on the Chūō-Sōbu Line
Shinanomachi Station on the Chūō-Sōbu Line is a railway station in Shinjuku, Tokyo, serving local JR East commuter trains and providing access to nearby institutions such as Keio University Hospital and Meiji Jingu Stadium.
-
B.
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.
-
C.
Mejiro Station on Yamanote Line
Mejiro Station on the Yamanote Line is a small, relatively quiet JR East railway station in Tokyo’s Toshima ward, situated between the major hubs of Ikebukuro and Takadanobaba.
-
D.
Kanda Station on Yamanote Line
Kanda Station on the Yamanote Line is a major railway station in central Tokyo that serves as a key commuter hub near the city's business districts.
-
E.
Jimbocho Station on Toei Shinjuku Line
Jimbocho Station on the Toei Shinjuku Line is an underground subway station in Tokyo’s Chiyoda ward, serving the Jimbocho district and providing transfers to multiple Tokyo Metro and Toei lines.
- 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.