Triple
T20734899
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maihama Station |
E509673
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | Urayasu, Chiba Prefecture, Japan |
—
|
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: Urayasu, Chiba Prefecture, Japan | Statement: [Maihama Station, locatedIn, Urayasu, Chiba Prefecture, Japan]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Urayasu, Chiba Prefecture, Japan Context triple: [Maihama Station, locatedIn, Urayasu, Chiba Prefecture, Japan]
-
A.
Urayasu, Chiba Prefecture
chosen
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.
-
B.
Funabashi, Chiba, Japan
Funabashi is a major city in Chiba Prefecture, Japan, located east of Tokyo and known as a commercial and residential hub in the Greater Tokyo Area.
-
C.
Utsunomiya, Tochigi Prefecture, Japan
Utsunomiya is the capital city of Tochigi Prefecture in Japan, known for its gyoza (dumplings) and as a regional commercial and transportation hub north of Tokyo.
-
D.
Kashiwa, Chiba Prefecture, Japan
Kashiwa is a city in Chiba Prefecture, Japan, known as a suburban academic and research hub within the Greater Tokyo area.
-
E.
Miyoshi, Saitama, Japan
Miyoshi is a town in Saitama Prefecture, Japan, located in the Greater Tokyo area and known primarily as a residential community with local agriculture and light industry.
- 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_69e0b4c589c08190834fb5d86d0efa2b |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c209348c819084a2f35f36378680 |
completed | April 21, 2026, 12:17 a.m. |
Created at: April 16, 2026, 12:31 p.m.