Triple
T2470077
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR West |
E55348
|
entity |
| Predicate | headquartersPrefecture |
P17718
|
FINISHED |
| Object | Osaka Prefecture |
E757
|
NE FINISHED |
How this triple was built (3 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: Osaka Prefecture | Statement: [JR West, headquartersPrefecture, Osaka Prefecture]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Osaka Prefecture Context triple: [JR West, headquartersPrefecture, Osaka Prefecture]
-
A.
Osaka Prefecture
chosen
Osaka Prefecture is a populous and economically vital region in Japan’s Kansai area, centered on the city of Osaka and known as a major hub of commerce, industry, and culture.
-
B.
Kyoto Prefecture
Kyoto Prefecture is a region in Japan’s Kansai area known for its historic capital city of Kyoto, famous temples, traditional culture, and well-preserved heritage sites.
-
C.
Wakayama Prefecture
Wakayama Prefecture is a coastal region in Japan’s Kansai area known for its sacred sites on the Kii Peninsula, including Mount Koya and the Kumano Kodo pilgrimage routes.
-
D.
Nara Prefecture
Nara Prefecture is a landlocked region in Japan’s Kansai area known for its ancient temples, historic capital city of Nara, and free-roaming deer in Nara Park.
-
E.
Aichi Prefecture
Aichi Prefecture is a central Japanese prefecture on Honshu known for its capital Nagoya, major automotive industry centered around Toyota, and role as a key economic and transportation hub.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: headquartersPrefecture Context triple: [JR West, headquartersPrefecture, Osaka Prefecture]
-
A.
hostPrefecture
Indicates the prefecture that serves as the host location for an event, activity, or entity.
-
B.
isPrefecturalCityOf
Indicates that a city holds the administrative status of a prefecture-level city within a given region or country.
-
C.
homePrefecture
chosen
Indicates the prefecture that an entity considers its home or place of origin.
-
D.
hasPrefecture
Indicates that one administrative region or country possesses or is associated with a specific prefecture as a subordinate territorial unit.
-
E.
subprefectureOf
Indicates that one administrative subprefecture is a subordinate division within and officially belongs to a larger governing region or prefecture.
- F. None of above.
Provenance (4 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_69ab49e3622c8190ad22afa2c4fbb807 |
completed | March 6, 2026, 9:40 p.m. |
| NER | Named-entity recognition | batch_69abd2bc7b5481908b3664495e99f1a4 |
completed | March 7, 2026, 7:24 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5c6c1bb08819086668e6c1f0cce03 |
completed | March 14, 2026, 8:36 p.m. |
| PD | Predicate disambiguation | batch_69abd0b3ea308190a6d8499c2a542c50 |
completed | March 7, 2026, 7:16 a.m. |
Created at: March 6, 2026, 9:44 p.m.