Triple
T22787801
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ryōmō Line (urban section) |
E564016
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | Kantō region |
—
|
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: Kantō region | Statement: [Ryōmō Line (urban section), regionServed, Kantō region]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kantō region Context triple: [Ryōmō Line (urban section), regionServed, Kantō region]
-
A.
Kantō region
chosen
The Kantō region is a major geographical and economic area of eastern Honshu, Japan, encompassing Tokyo and several surrounding prefectures and serving as the country’s political and population center.
-
B.
North Kantō
North Kantō is a subregion in eastern Japan generally referring to the inland northern prefectures of the Kantō region, known for their mix of industrial cities, agriculture, and natural landscapes.
-
C.
Kōshin'etsu region
The Kōshin'etsu region is a landlocked area of central Honshu, Japan, traditionally comprising Yamanashi, Nagano, and Niigata Prefectures and known for its mountains, hot springs, and ski resorts.
-
D.
Chūbu region
The Chūbu region is a central area of Japan on Honshu Island, known for encompassing the Japanese Alps and including major prefectures such as Aichi, Nagano, and Shizuoka.
-
E.
Edo region
The Edo region is a historical area in present-day southern Nigeria that was the heartland of the Benin Kingdom, known for its powerful monarchs, rich culture, and sophisticated art traditions.
- 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_69e2455500788190b4b33030461f3bbd |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17c32de6481909ef358d16de98496 |
completed | April 29, 2026, 3:34 a.m. |
Created at: April 17, 2026, 3:29 p.m.