Triple
T7369488
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toei Mita Line Otemachi Station |
E169957
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Otemachi Station complex |
E692574
|
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: Otemachi Station complex | Statement: [Toei Mita Line Otemachi Station, partOf, Otemachi Station complex]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Otemachi Station complex Context triple: [Toei Mita Line Otemachi Station, partOf, Otemachi Station complex]
-
A.
Otemachi Station
chosen
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.
-
B.
Akasaka Station
Akasaka Station is a Tokyo Metro subway station in Tokyo’s Minato ward, serving as a key stop on the Chiyoda Line in a major business and entertainment district.
-
C.
Shibuya Station
Shibuya Station is one of Tokyo’s busiest and most important railway hubs, serving multiple train and subway lines and anchoring the famous Shibuya shopping and entertainment district.
-
D.
Ueno Station
Ueno Station is a major railway and subway hub in Tokyo, Japan, serving as a key gateway to the city’s northeastern regions and nearby cultural attractions like Ueno Park and its museums.
-
E.
Roppongi Station
Roppongi Station is a major Tokyo subway station in the Roppongi district, serving as a key access point to the area’s nightlife, business centers, and cultural attractions.
- 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_69c68a5ade988190885b7175f63b7534 |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f1810668819094aec4b237d08068 |
completed | March 27, 2026, 9:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd93fee4c88190a00a71c146067eef |
completed | April 1, 2026, 9:54 p.m. |
Created at: March 27, 2026, 3:07 p.m.