Triple
T22861531
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Uchibō Line (urban section) |
E566933
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | Chiba Prefecture coastal area |
—
|
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: Chiba Prefecture coastal area | Statement: [Uchibō Line (urban section), regionServed, Chiba Prefecture coastal area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chiba Prefecture coastal area Context triple: [Uchibō Line (urban section), regionServed, Chiba Prefecture coastal area]
-
A.
Seto Inland Sea coast
The Seto Inland Sea coast is a scenic, island-dotted shoreline in western Japan known for its calm waters, mild climate, and historic port towns.
-
B.
Bōsō Peninsula
chosen
The Bōsō Peninsula is a large landmass in eastern Honshu, Japan, forming the eastern edge of Tokyo Bay and encompassing much of Chiba Prefecture.
-
C.
Suruga Bay coast
Suruga Bay coast is a coastal region along central Japan’s Pacific shoreline, known for its deep offshore waters, rich marine life, and vulnerability to major earthquakes and tsunamis.
-
D.
Rikuzentakata–Kesennuma coastal area
The Rikuzentakata–Kesennuma coastal area is a Pacific shoreline region in northeastern Japan known for its fishing communities, scenic bays, and severe damage from the 2011 Tōhoku earthquake and tsunami.
-
E.
Tokuyama Bay area
Tokuyama Bay area is a coastal region in Japan that forms part of the scenic and ecologically rich Seto Inland Sea coastline within Setonaikai National Park.
- 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_69e24589083081908d5694c4fdc80086 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17efcc1308190a95d10e431295ca2 |
completed | April 29, 2026, 3:46 a.m. |
Created at: April 17, 2026, 3:37 p.m.