Triple
T1979324
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fukushima Daiichi nuclear disaster |
E42988
|
entity |
| Predicate | location |
P40
|
FINISHED |
| Object |
Ōkuma, Fukushima Prefecture
Ōkuma, Fukushima Prefecture is a coastal Japanese town best known as one of the sites hosting the Fukushima Daiichi Nuclear Power Plant and being heavily affected by the 2011 nuclear disaster.
|
E223645
|
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: Ōkuma, Fukushima Prefecture | Statement: [Fukushima Daiichi nuclear disaster, location, Ōkuma, Fukushima Prefecture]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ōkuma, Fukushima Prefecture Context triple: [Fukushima Daiichi nuclear disaster, location, Ōkuma, Fukushima Prefecture]
-
A.
Taira, Fukushima Prefecture, Japan
Taira, located in Fukushima Prefecture, Japan, is a district of the city of Iwaki known as a regional commercial and administrative center.
-
B.
Yokosuka, Kanagawa, Japan
Yokosuka, in Kanagawa Prefecture, Japan, is a major naval port city hosting both Japanese and U.S. military bases and serving as an important maritime and industrial center.
-
C.
Fukuyama, Hiroshima Prefecture, Japan
Fukuyama is a coastal city in Hiroshima Prefecture, Japan, known for its historic Fukuyama Castle and industrial and commercial significance in the Chūgoku region.
-
D.
Kōchi Prefecture, Japan
Kōchi Prefecture, Japan is a largely rural coastal prefecture on the island of Shikoku, known for its mountainous landscapes, Pacific shoreline, and historic castle town of Kōchi City.
-
E.
Morioka, Japan
Morioka, Japan is a historic city in Iwate Prefecture on Japan’s main island of Honshu, known for its scenic mountain surroundings, traditional culture, and distinctive local noodle dishes.
- 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: Ōkuma, Fukushima Prefecture Triple: [Fukushima Daiichi nuclear disaster, location, Ōkuma, Fukushima Prefecture]
Generated description
Ōkuma, Fukushima Prefecture is a coastal Japanese town best known as one of the sites hosting the Fukushima Daiichi Nuclear Power Plant and being heavily affected by the 2011 nuclear disaster.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ōkuma, Fukushima Prefecture Target entity description: Ōkuma, Fukushima Prefecture is a coastal Japanese town best known as one of the sites hosting the Fukushima Daiichi Nuclear Power Plant and being heavily affected by the 2011 nuclear disaster.
-
A.
Taira, Fukushima Prefecture, Japan
Taira, located in Fukushima Prefecture, Japan, is a district of the city of Iwaki known as a regional commercial and administrative center.
-
B.
Yokosuka, Kanagawa, Japan
Yokosuka, in Kanagawa Prefecture, Japan, is a major naval port city hosting both Japanese and U.S. military bases and serving as an important maritime and industrial center.
-
C.
Fukuyama, Hiroshima Prefecture, Japan
Fukuyama is a coastal city in Hiroshima Prefecture, Japan, known for its historic Fukuyama Castle and industrial and commercial significance in the Chūgoku region.
-
D.
Kōchi Prefecture, Japan
Kōchi Prefecture, Japan is a largely rural coastal prefecture on the island of Shikoku, known for its mountainous landscapes, Pacific shoreline, and historic castle town of Kōchi City.
-
E.
Morioka, Japan
Morioka, Japan is a historic city in Iwate Prefecture on Japan’s main island of Honshu, known for its scenic mountain surroundings, traditional culture, and distinctive local noodle dishes.
- 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_69a8871289048190b00b0d7744b7b2b1 |
completed | March 4, 2026, 7:25 p.m. |
| NER | Named-entity recognition | batch_69abb7c698748190a10da0901952df07 |
completed | March 7, 2026, 5:29 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae032988ec8190b9012cbb77e7efa4 |
completed | March 8, 2026, 11:15 p.m. |
| NEDg | Description generation | batch_69ae03c4faac8190a13aa0882eda3629 |
completed | March 8, 2026, 11:18 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae0445a9608190918a7bd45b9bf999 |
completed | March 8, 2026, 11:20 p.m. |
Created at: March 4, 2026, 7:36 p.m.