Triple

T17900057
Position Surface form Disambiguated ID Type / Status
Subject Okayama Prefecture E447546 entity
Predicate hasTouristAttraction P530 FINISHED
Object Bitchu Matsuyama Castle
Bitchu Matsuyama Castle is a historic mountaintop Japanese castle famed as one of the country’s few remaining original castles and for its dramatic “castle in the sky” appearance above the clouds.
E1297935 NE FINISHED

How this triple was built (4 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: Bitchu Matsuyama Castle | Statement: [Okayama Prefecture, hasTouristAttraction, Bitchu Matsuyama Castle]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bitchu Matsuyama Castle
Context triple: [Okayama Prefecture, hasTouristAttraction, Bitchu Matsuyama Castle]
  • A. Matsuyama Castle
    Matsuyama Castle is a well-preserved hilltop Japanese feudal castle in Matsuyama, Ehime Prefecture, known as one of Japan’s twelve remaining original castles and a prominent historic and scenic landmark.
  • B. Tsuyama Castle
    Tsuyama Castle is a historic Japanese hilltop castle in Okayama Prefecture, once renowned for its extensive stone walls and numerous cherry trees, and now preserved as scenic castle ruins.
  • C. Tsuwano Castle
    Tsuwano Castle is a historic Japanese mountaintop fortress in present-day Shimane Prefecture, known for its atmospheric ruins and scenic views over the old castle town of Tsuwano.
  • D. Kasugayama Castle
    Kasugayama Castle was a major Sengoku-period mountain fortress in Echigo Province, Japan, best known as the stronghold and residence of the warlord Uesugi Kenshin.
  • E. Wakamatsu Castle
    Wakamatsu Castle is a historic Japanese fortress in Aizuwakamatsu, Fukushima Prefecture, renowned for its role in the Boshin War and its distinctive red-tiled keep.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
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: Bitchu Matsuyama Castle
Triple: [Okayama Prefecture, hasTouristAttraction, Bitchu Matsuyama Castle]
Generated description
Bitchu Matsuyama Castle is a historic mountaintop Japanese castle famed as one of the country’s few remaining original castles and for its dramatic “castle in the sky” appearance above the clouds.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bitchu Matsuyama Castle
Target entity description: Bitchu Matsuyama Castle is a historic mountaintop Japanese castle famed as one of the country’s few remaining original castles and for its dramatic “castle in the sky” appearance above the clouds.
  • A. Matsuyama Castle
    Matsuyama Castle is a well-preserved hilltop Japanese feudal castle in Matsuyama, Ehime Prefecture, known as one of Japan’s twelve remaining original castles and a prominent historic and scenic landmark.
  • B. Tsuyama Castle
    Tsuyama Castle is a historic Japanese hilltop castle in Okayama Prefecture, once renowned for its extensive stone walls and numerous cherry trees, and now preserved as scenic castle ruins.
  • C. Tsuwano Castle
    Tsuwano Castle is a historic Japanese mountaintop fortress in present-day Shimane Prefecture, known for its atmospheric ruins and scenic views over the old castle town of Tsuwano.
  • D. Kasugayama Castle
    Kasugayama Castle was a major Sengoku-period mountain fortress in Echigo Province, Japan, best known as the stronghold and residence of the warlord Uesugi Kenshin.
  • E. Wakamatsu Castle
    Wakamatsu Castle is a historic Japanese fortress in Aizuwakamatsu, Fukushima Prefecture, renowned for its role in the Boshin War and its distinctive red-tiled keep.
  • F. None of above. chosen

Provenance (5 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_69d8b9f59bd48190a6fc925a855b8bac completed April 10, 2026, 8:51 a.m.
NER Named-entity recognition batch_69e49d8321bc8190a3f679d96323cbbb completed April 19, 2026, 9:16 a.m.
NED1 Entity disambiguation (via context triple) batch_6a03290849b081908186afa86cd74ad1 completed May 12, 2026, 1:20 p.m.
NEDg Description generation batch_6a032aca603c81908ad23b0f19813942 completed May 12, 2026, 1:27 p.m.
NED2 Entity disambiguation (via description) batch_6a032c42d0a08190b2665adafaffdca7 completed May 12, 2026, 1:33 p.m.
Created at: April 10, 2026, 10:19 a.m.