Triple
T86470
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Emperor Hirohito |
E1738
|
entity |
| Predicate | child |
P120
|
FINISHED |
| Object |
Prince Masahito, Prince Hitachi
Prince Masahito, Prince Hitachi is a member of the Japanese imperial family and the younger brother of Emperor Emeritus Akihito, known for his work in cancer research and public service.
|
E20241
|
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: Prince Masahito, Prince Hitachi | Statement: [Emperor Hirohito, child, Prince Masahito, Prince Hitachi]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Prince Masahito, Prince Hitachi Context triple: [Emperor Hirohito, child, Prince Masahito, Prince Hitachi]
-
A.
Fumihito, Crown Prince Akishino
Fumihito, Crown Prince Akishino, is the younger brother and heir presumptive to Emperor Naruhito of Japan and a senior member of the Japanese imperial family.
-
B.
Naruhito
Naruhito is the Emperor of Japan and the symbolic head of state of the country.
-
C.
Empress Masako
Empress Masako is the current Empress of Japan, a Harvard-educated former diplomat known for her international background and marriage to Emperor Naruhito.
-
D.
Akihito
Akihito is the former Emperor of Japan who abdicated in 2019, ending the Heisei era and becoming the first Japanese monarch to step down in over two centuries.
-
E.
Princess Shigeko
Princess Shigeko was the eldest daughter of Emperor Hirohito of Japan, known for her role as a member of the Japanese imperial family during the Shōwa era.
- 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: Prince Masahito, Prince Hitachi Triple: [Emperor Hirohito, child, Prince Masahito, Prince Hitachi]
Generated description
Prince Masahito, Prince Hitachi is a member of the Japanese imperial family and the younger brother of Emperor Emeritus Akihito, known for his work in cancer research and public service.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Prince Masahito, Prince Hitachi Target entity description: Prince Masahito, Prince Hitachi is a member of the Japanese imperial family and the younger brother of Emperor Emeritus Akihito, known for his work in cancer research and public service.
-
A.
Fumihito, Crown Prince Akishino
Fumihito, Crown Prince Akishino, is the younger brother and heir presumptive to Emperor Naruhito of Japan and a senior member of the Japanese imperial family.
-
B.
Naruhito
Naruhito is the Emperor of Japan and the symbolic head of state of the country.
-
C.
Empress Masako
Empress Masako is the current Empress of Japan, a Harvard-educated former diplomat known for her international background and marriage to Emperor Naruhito.
-
D.
Akihito
Akihito is the former Emperor of Japan who abdicated in 2019, ending the Heisei era and becoming the first Japanese monarch to step down in over two centuries.
-
E.
Princess Shigeko
Princess Shigeko was the eldest daughter of Emperor Hirohito of Japan, known for her role as a member of the Japanese imperial family during the Shōwa era.
- 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_69a24c8150408190910a693eb51c1f71 |
completed | Feb. 28, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69a24f4fa22c819096152bb577e11fa6 |
completed | Feb. 28, 2026, 2:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2d72fb0848190bf1f90c556af5f51 |
completed | Feb. 28, 2026, 11:53 a.m. |
| NEDg | Description generation | batch_69a2d82a01008190ac1bedd2c88f4fcd |
completed | Feb. 28, 2026, 11:57 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2d8ff41f481909f1a73e8bcee36f1 |
completed | Feb. 28, 2026, 12:01 p.m. |
Created at: Feb. 28, 2026, 2:06 a.m.