Triple
T1533451
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Wako, Saitama Prefecture, Japan |
E32496
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object |
Tokyo metropolitan area
The Tokyo metropolitan area is the world’s largest urban agglomeration, centered on Japan’s capital Tokyo and encompassing numerous surrounding cities and prefectures in a vast, densely populated economic and cultural hub.
|
E231887
|
NE FINISHED |
How this triple was built (4 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 metropolitan area | Statement: [Wako, Saitama Prefecture, Japan, partOf, Tokyo metropolitan area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyo metropolitan area Context triple: [Wako, Saitama Prefecture, Japan, partOf, Tokyo metropolitan area]
-
A.
Osaka–Kobe metropolitan area
The Osaka–Kobe metropolitan area is a major urban and economic region in Japan’s Kansai area, centered on the cities of Osaka and Kobe and known for its dense population, industry, and cultural influence.
-
B.
Tokyo Prefecture
Tokyo Prefecture is Japan’s capital metropolitan region, encompassing the city of Tokyo and serving as the country’s political, economic, and cultural center.
-
C.
Tokyo
Tokyo is Japan’s largest metropolis and a global center of finance, culture, technology, and transportation.
-
D.
Yokohama
Yokohama is Japan’s second-largest city and a major international port located just south of Tokyo.
-
E.
Chiba
Chiba is a major city in Japan located east of Tokyo, known as the capital of Chiba Prefecture and a key commercial and residential hub in the Greater Tokyo Area.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Tokyo metropolitan area Triple: [Wako, Saitama Prefecture, Japan, partOf, Tokyo metropolitan area]
Generated description
The Tokyo metropolitan area is the world’s largest urban agglomeration, centered on Japan’s capital Tokyo and encompassing numerous surrounding cities and prefectures in a vast, densely populated economic and cultural hub.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tokyo metropolitan area Target entity description: The Tokyo metropolitan area is the world’s largest urban agglomeration, centered on Japan’s capital Tokyo and encompassing numerous surrounding cities and prefectures in a vast, densely populated economic and cultural hub.
-
A.
Osaka–Kobe metropolitan area
The Osaka–Kobe metropolitan area is a major urban and economic region in Japan’s Kansai area, centered on the cities of Osaka and Kobe and known for its dense population, industry, and cultural influence.
-
B.
Tokyo Prefecture
Tokyo Prefecture is Japan’s capital metropolitan region, encompassing the city of Tokyo and serving as the country’s political, economic, and cultural center.
-
C.
Tokyo
Tokyo is Japan’s largest metropolis and a global center of finance, culture, technology, and transportation.
-
D.
Yokohama
Yokohama is Japan’s second-largest city and a major international port located just south of Tokyo.
-
E.
Chiba
Chiba is a major city in Japan located east of Tokyo, known as the capital of Chiba Prefecture and a key commercial and residential hub in the Greater Tokyo Area.
- F. None of above. chosen
Provenance (5 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_69a885ea86308190998f6bc14bb91f8e |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69aa61f8df00819086f34847e2170e12 |
completed | March 6, 2026, 5:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae26e37de88190b817c24323951ea8 |
completed | March 9, 2026, 1:48 a.m. |
| NEDg | Description generation | batch_69ae296103a88190b1b91e74fb1f6faa |
completed | March 9, 2026, 1:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae29d35ccc8190b693839ac8785740 |
completed | March 9, 2026, 2 a.m. |
Created at: March 4, 2026, 7:26 p.m.