Triple
T5985179
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo reconstruction plan |
E133208
|
entity |
| Predicate | locationAffected |
P1586
|
FINISHED |
| Object | Yokohama and surrounding Kantō region |
E389057
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: Yokohama and surrounding Kantō region | Statement: [Tokyo reconstruction plan, locationAffected, Yokohama and surrounding Kantō region]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yokohama and surrounding Kantō region Context triple: [Tokyo reconstruction plan, locationAffected, Yokohama and surrounding Kantō region]
-
A.
Northern Kantō urban area
The Northern Kantō urban area is a major metropolitan region in eastern Japan that encompasses several key cities in the northern part of the Kantō Plain, functioning as an important economic and transportation hub outside the Tokyo metropolitan area.
-
B.
Tokyo Bay region
The Tokyo Bay region is a major coastal area of Japan centered around Tokyo Bay, encompassing parts of Tokyo and neighboring prefectures and serving as a key hub of industry, shipping, and urban development.
-
C.
Kantō region
The Kantō region is a major geographical and economic area of eastern Honshu, Japan, encompassing Tokyo and several surrounding prefectures and serving as the country’s political and population center.
-
D.
Yokohama metropolitan area
chosen
The Yokohama metropolitan area is a major urban and economic region in Japan centered on the port city of Yokohama and its surrounding municipalities within the Greater Tokyo area.
-
E.
South Kantō
South Kantō is a major subregion of Japan’s Kantō area that includes the Tokyo metropolitan zone and its surrounding prefectures, serving as one of the country’s primary political, economic, and population centers.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69c0087010d081908bb8142342d63330 |
elicitation | completed |
| NER | batch_69c04a6dcaf08190bac27c7042e65e07 |
ner | completed |
| NED1 | batch_69c0e42a0fcc8190ab8d7f797b58a8e0 |
ned_source_triple | completed |
Created at: March 22, 2026, 4:04 p.m.