Triple
T11407326
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo International Forum |
E270271
|
entity |
| Predicate | publicTransitAccess |
P1288
|
FINISHED |
| Object | Yurakucho Station on Tokyo Metro Yurakucho Line |
E923959
|
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: Yurakucho Station on Tokyo Metro Yurakucho Line | Statement: [Tokyo International Forum, publicTransitAccess, Yurakucho Station on Tokyo Metro Yurakucho Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yurakucho Station on Tokyo Metro Yurakucho Line Context triple: [Tokyo International Forum, publicTransitAccess, Yurakucho Station on Tokyo Metro Yurakucho Line]
-
A.
Yurakucho Station on JR Yamanote Line
chosen
Yurakucho Station on the JR Yamanote Line is a major central Tokyo railway hub located near the Marunouchi and Ginza districts, providing convenient access to business, shopping, and cultural venues.
-
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.
Tokyo Metro Yurakucho Line (at Ikebukuro Station)
The Tokyo Metro Yurakucho Line at Ikebukuro Station is a major Tokyo subway line stop that serves as a key transfer point between central Tokyo’s subway network and suburban rail services such as the Tobu Tojo Line.
-
D.
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.
-
E.
Tokyo Metro Marunouchi Line (at Ikebukuro Station)
The Tokyo Metro Marunouchi Line at Ikebukuro Station is a major Tokyo subway line stop that serves as a key transfer point between central Tokyo’s metro network and multiple suburban and urban rail 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_69d6aaddeaa8819088b30ef7b50598c9 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8014c820c81908538ba4a08e13230 |
completed | April 9, 2026, 7:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e5b834cee48190ac09c1e1df4c12d0 |
completed | April 20, 2026, 5:23 a.m. |
Created at: April 8, 2026, 9:34 p.m.