Triple
T1979325
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fukushima Daiichi nuclear disaster |
E42988
|
entity |
| Predicate | location |
P40
|
FINISHED |
| Object |
Futaba, Fukushima Prefecture
Futaba, Fukushima Prefecture is a coastal Japanese town in northeastern Honshu best known as one of the municipalities hosting the Fukushima Daiichi Nuclear Power Plant and being heavily affected by the 2011 nuclear disaster.
|
E223646
|
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: Futaba, Fukushima Prefecture | Statement: [Fukushima Daiichi nuclear disaster, location, Futaba, Fukushima Prefecture]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Futaba, Fukushima Prefecture Context triple: [Fukushima Daiichi nuclear disaster, location, Futaba, 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.
Asaka, Saitama
Asaka is a suburban city in Saitama Prefecture, Japan, located in the Greater Tokyo metropolitan area and known primarily as a residential and commuter town.
-
C.
Urayasu, Chiba Prefecture
Urayasu, in Chiba Prefecture, is a coastal Japanese city best known as the home of Tokyo Disney Resort and its associated entertainment and tourism facilities.
-
D.
Maishima
Maishima is a man-made island in Osaka, Japan, known for its sports facilities, event venues, and waterfront recreational areas.
-
E.
Saitama Prefecture, Japan
Saitama Prefecture, Japan is a populous prefecture in the Kantō region just north of Tokyo, known for its role as a major residential and commercial hub as well as for hosting key national institutions.
- 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: Futaba, Fukushima Prefecture Triple: [Fukushima Daiichi nuclear disaster, location, Futaba, Fukushima Prefecture]
Generated description
Futaba, Fukushima Prefecture is a coastal Japanese town in northeastern Honshu best known as one of the municipalities 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: Futaba, Fukushima Prefecture Target entity description: Futaba, Fukushima Prefecture is a coastal Japanese town in northeastern Honshu best known as one of the municipalities 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.
Asaka, Saitama
Asaka is a suburban city in Saitama Prefecture, Japan, located in the Greater Tokyo metropolitan area and known primarily as a residential and commuter town.
-
C.
Urayasu, Chiba Prefecture
Urayasu, in Chiba Prefecture, is a coastal Japanese city best known as the home of Tokyo Disney Resort and its associated entertainment and tourism facilities.
-
D.
Maishima
Maishima is a man-made island in Osaka, Japan, known for its sports facilities, event venues, and waterfront recreational areas.
-
E.
Saitama Prefecture, Japan
Saitama Prefecture, Japan is a populous prefecture in the Kantō region just north of Tokyo, known for its role as a major residential and commercial hub as well as for hosting key national institutions.
- 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.