Triple
T11831821
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sendai Subway |
E281409
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | Miyagi Prefecture |
—
|
NE NERFINISHED |
How this triple was built (2 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: Miyagi Prefecture | Statement: [Sendai Subway, locatedIn, Miyagi Prefecture]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Miyagi Prefecture Context triple: [Sendai Subway, locatedIn, Miyagi Prefecture]
-
A.
Miyagi Prefecture
chosen
Miyagi Prefecture is a coastal region in Japan’s Tōhoku area, known for its capital city Sendai, scenic Matsushima Bay, and a mix of urban centers and rich natural landscapes.
-
B.
Iwate Prefecture
Iwate Prefecture is a largely rural, mountainous prefecture in Japan’s Tōhoku region, known for its rugged coastline, cultural heritage sites, and the city of Morioka as its capital.
-
C.
Tokushima Prefecture
Tokushima Prefecture is a largely rural coastal region on Japan’s Shikoku island, known for its Awa Odori dance festival and scenic mountains and rivers.
-
D.
Yamagata Prefecture
Yamagata Prefecture is a largely rural prefecture in Japan’s Tōhoku region, known for its mountains, hot springs, and cherry production.
-
E.
Aki Province
Aki Province was a former historical province of Japan located in what is now western Hiroshima Prefecture on the island of Honshu.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d6ab276f8c8190b1966a0ef11349ac |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d8a62c95988190a45dbaa7001c8846 |
completed | April 10, 2026, 7:26 a.m. |
Created at: April 8, 2026, 9:43 p.m.