Triple
T15161314
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tobu Department Store Ikebukuro |
E362222
|
entity |
| Predicate | connectedTo |
P37
|
FINISHED |
| Object | Tokyo Metro Ikebukuro Station |
—
|
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: Tokyo Metro Ikebukuro Station | Statement: [Tobu Department Store Ikebukuro, connectedTo, Tokyo Metro Ikebukuro Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyo Metro Ikebukuro Station Context triple: [Tobu Department Store Ikebukuro, connectedTo, Tokyo Metro Ikebukuro Station]
-
A.
Ikebukuro Station
chosen
Ikebukuro Station is one of Tokyo’s busiest railway hubs, serving multiple JR and private lines and acting as a major commercial and transit center in the Ikebukuro district.
-
B.
Yurakucho Station
Yurakucho Station is a major railway hub in central Tokyo’s Chiyoda ward, serving multiple JR and subway lines and providing convenient access to the Ginza and Marunouchi districts.
-
C.
Otemachi Station
Otemachi Station is a major Tokyo railway hub where multiple Tokyo Metro lines intersect, serving as a key access point to the city’s central business district near Tokyo Station.
-
D.
Higashi-Ikebukuro Station
Higashi-Ikebukuro Station is a subway station in Toshima, Tokyo, serving the Tokyo Metro network and providing access to the Ikebukuro area and nearby commercial and residential districts.
-
E.
Seibu-Shinjuku Station
Seibu-Shinjuku Station is a key railway terminus in Tokyo that serves as the central hub of the Seibu Shinjuku Line, providing access between the Shinjuku area and western suburbs.
- 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_69d85a087b7c81908baa94a53dac8d68 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e0060f2efc8190aa0eb5fb8d4ce085 |
completed | April 15, 2026, 9:41 p.m. |
Created at: April 10, 2026, 3:08 a.m.