Triple
T21360470
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kasumigaseki, Tokyo |
E526761
|
entity |
| Predicate | hasOfficeOf |
P1268
|
FINISHED |
| Object | Japan Transport Safety Board |
—
|
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: Japan Transport Safety Board | Statement: [Kasumigaseki, Tokyo, hasOfficeOf, Japan Transport Safety Board]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Japan Transport Safety Board Context triple: [Kasumigaseki, Tokyo, hasOfficeOf, Japan Transport Safety Board]
-
A.
Japan Transport Safety Board
chosen
The Japan Transport Safety Board is a Japanese government body responsible for investigating accidents and incidents across aviation, rail, marine, and other transport modes to improve safety.
-
B.
Road Transport Bureau of Japan
The Road Transport Bureau of Japan is a governmental body responsible for planning, regulating, and overseeing the nation’s road transport systems and vehicle administration under the Ministry of Land, Infrastructure, Transport and Tourism.
-
C.
Railway Bureau of Japan
The Railway Bureau of Japan is a governmental body responsible for planning, regulating, and overseeing the nation’s railway systems and policies.
-
D.
Japan transport authorities
Japan transport authorities are the national government bodies responsible for regulating, overseeing, and enforcing standards for the country’s transportation systems, including rail operators like JR Shikoku.
-
E.
Ministry of Railways (Japan)
The Ministry of Railways (Japan) was the former government ministry responsible for overseeing and managing Japan’s national railway system before its postwar reorganization.
- 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_69e0b51d8a308190b09113b3b3f9bc15 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e8afa6afcc8190a1f5c599c11d2135 |
completed | April 22, 2026, 11:23 a.m. |
Created at: April 16, 2026, 5:08 p.m.