Triple
T18983553
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fukushima |
E464492
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Fukushima Basin |
—
|
NE NERFINISHED |
How this triple was built (3 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: Fukushima Basin | Statement: [Fukushima, partOf, Fukushima Basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fukushima Basin Context triple: [Fukushima, partOf, Fukushima Basin]
-
A.
Morioka Basin
The Morioka Basin is a broad inland lowland area in Iwate Prefecture, Japan, known for encompassing the city of Morioka and being surrounded by prominent mountains such as Mount Iwate.
-
B.
Sagami Trough
Sagami Trough is a deep submarine trench off central Japan that marks a major tectonic plate boundary and is associated with significant seismic and tsunami activity.
-
C.
Okinawa Trough
The Okinawa Trough is a back-arc basin in the East China Sea, located between the Ryukyu Islands and mainland Asia, known for its active tectonics and hydrothermal activity.
-
D.
Harima-nada Sea
The Harima-nada Sea is a section of Japan’s Seto Inland Sea along the coast of Hyōgo Prefecture, known for its sheltered waters, fishing grounds, and busy maritime routes.
-
E.
Mikawa Bay
Mikawa Bay is a coastal inlet on the Pacific side of central Honshu, Japan, known for its fishing grounds, industrial ports, and proximity to the city of Nagoya.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Fukushima Basin Target entity description: The Fukushima Basin is a lowland geographic region in Fukushima Prefecture, Japan, characterized by its river plains, agricultural land, and surrounding mountain ranges.
-
A.
Morioka Basin
The Morioka Basin is a broad inland lowland area in Iwate Prefecture, Japan, known for encompassing the city of Morioka and being surrounded by prominent mountains such as Mount Iwate.
-
B.
Sagami Trough
Sagami Trough is a deep submarine trench off central Japan that marks a major tectonic plate boundary and is associated with significant seismic and tsunami activity.
-
C.
Okinawa Trough
The Okinawa Trough is a back-arc basin in the East China Sea, located between the Ryukyu Islands and mainland Asia, known for its active tectonics and hydrothermal activity.
-
D.
Harima-nada Sea
The Harima-nada Sea is a section of Japan’s Seto Inland Sea along the coast of Hyōgo Prefecture, known for its sheltered waters, fishing grounds, and busy maritime routes.
-
E.
Mikawa Bay
Mikawa Bay is a coastal inlet on the Pacific side of central Honshu, Japan, known for its fishing grounds, industrial ports, and proximity to the city of Nagoya.
- F. None of above. chosen
Provenance (2 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_69d8dd008af48190a97ff1c6488edf1b |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5d65de6288190a53a3fdd59013d2d |
completed | April 20, 2026, 7:31 a.m. |
Created at: April 10, 2026, 12:01 p.m.