Triple

T13864332
Position Surface form Disambiguated ID Type / Status
Subject Ishikari Bay E333281 entity
Predicate hasJapaneseName P9882 FINISHED
Object 石狩湾
石狩湾は北海道西部、日本海に面して札幌近郊に広がる湾で、石狩川の河口を抱える海域として知られる。
 E1066561 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: 石狩湾 | Statement: [Ishikari Bay, hasJapaneseName, 石狩湾]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 石狩湾
Context triple: [Ishikari Bay, hasJapaneseName, 石狩湾]
  • A. 播磨灘
    播磨灘 is a coastal body of water in the eastern Seto Inland Sea of Japan, lying off the coast of Hyōgo Prefecture and surrounding regions.
  • B. Hakodate Bay
    Hakodate Bay is a coastal inlet on the southern shore of Hokkaido, Japan, known for its strategic maritime location and as the site of the decisive 1869 Naval Battle of Hakodate during the Boshin War.
  • C. Hakata Bay
    Hakata Bay is a coastal bay in northern Kyushu, Japan, known historically as a strategic port and site of major maritime events, including the Mongol invasions.
  • D. Ryōtsu Bay
    Ryōtsu Bay is a coastal inlet on Sado Island in Niigata Prefecture, Japan, known for its scenic harbor and role as a local fishing and ferry port.
  • E. Maizuru Bay
    Maizuru Bay is a coastal inlet on the Sea of Japan in Kyoto Prefecture, known for its natural harbor that supports the city and port of Maizuru.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 石狩湾
Target entity description: 石狩湾は北海道西部、日本海に面して札幌近郊に広がる湾で、石狩川の河口を抱える海域として知られる。
  • A. 播磨灘
    播磨灘 is a coastal body of water in the eastern Seto Inland Sea of Japan, lying off the coast of Hyōgo Prefecture and surrounding regions.
  • B. Hakodate Bay
    Hakodate Bay is a coastal inlet on the southern shore of Hokkaido, Japan, known for its strategic maritime location and as the site of the decisive 1869 Naval Battle of Hakodate during the Boshin War.
  • C. Hakata Bay
    Hakata Bay is a coastal bay in northern Kyushu, Japan, known historically as a strategic port and site of major maritime events, including the Mongol invasions.
  • D. Ryōtsu Bay
    Ryōtsu Bay is a coastal inlet on Sado Island in Niigata Prefecture, Japan, known for its scenic harbor and role as a local fishing and ferry port.
  • E. Maizuru Bay
    Maizuru Bay is a coastal inlet on the Sea of Japan in Kyoto Prefecture, known for its natural harbor that supports the city and port of Maizuru.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: 石狩湾
Triple: [Ishikari Bay, hasJapaneseName, 石狩湾]
Generated description
石狩湾は北海道西部、日本海に面して札幌近郊に広がる湾で、石狩川の河口を抱える海域として知られる。

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d81c5ced9c8190b0e9bcc6effe5959 elicitation completed
NER batch_69de05c30d9c81908217d41a3b4aaf85 ner completed
NED1 batch_69f7c10113288190b799126d934df92a ned_source_triple completed
NED2 batch_69f7c33c2f34819084502d5f03f09ddd ned_description completed
NEDg batch_69f7c1e7efd88190ac07472647da69e7 nedg completed
Created at: April 9, 2026, 10:14 p.m.