Triple

T1516797
Position Surface form Disambiguated ID Type / Status
Subject Nankai Electric Railway E32139 entity
Predicate operatesInPrefecture P23719 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: [Nankai Electric Railway, operatesInPrefecture, Osaka Prefecture]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Osaka Prefecture
Context triple: [Nankai Electric Railway, operatesInPrefecture, 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: operatesInPrefecture
Context triple: [Nankai Electric Railway, operatesInPrefecture, Osaka Prefecture]
  • A. hasPrefecture
    Indicates that one administrative region or country possesses or is associated with a specific prefecture as a subordinate territorial unit.
  • B. isPrefecturalCityOf
    Indicates that a city holds the administrative status of a prefecture-level city within a given region or country.
  • C. servesPrefecture chosen
    Indicates that an entity (such as an organization, facility, or service) provides service or coverage to a specified prefecture.
  • D. hostPrefecture
    Indicates the prefecture that serves as the host location for an event, activity, or entity.
  • E. homePrefecture
    Indicates the prefecture that an entity considers its home or place of origin.
  • 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_69a885e8caf88190a5fbb6159ce87786 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a9396e16408190b5e7b0ac43376d81 completed March 5, 2026, 8:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69b5c6c1bb08819086668e6c1f0cce03 completed March 14, 2026, 8:36 p.m.
PD Predicate disambiguation batch_69a907aa67cc81909f00135365447399 completed March 5, 2026, 4:33 a.m.
Created at: March 4, 2026, 7:26 p.m.