Triple
T8958689
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Seishirō Itagaki |
E213542
|
entity |
| Predicate | placeOfDeath |
P21
|
FINISHED |
| Object | Sugamo Prison, Tokyo, Japan |
E89958
|
NE FINISHED |
How this triple was built (2 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: Sugamo Prison, Tokyo, Japan | Statement: [Seishirō Itagaki, placeOfDeath, Sugamo Prison, Tokyo, Japan]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sugamo Prison, Tokyo, Japan Context triple: [Seishirō Itagaki, placeOfDeath, Sugamo Prison, Tokyo, Japan]
-
A.
Sugamo Prison
chosen
Sugamo Prison was a Tokyo detention facility used by the Allied occupation forces after World War II to hold and execute Japanese war criminals, including former Prime Minister Hideki Tojo.
-
B.
Doftana Prison
Doftana Prison was a notorious Romanian penitentiary used during the interwar and early communist periods to detain political prisoners, including future leader Nicolae Ceaușescu.
-
C.
Cipinang Prison, Jakarta
Cipinang Prison in Jakarta is a high-security Indonesian penitentiary known for holding prominent political prisoners, including East Timorese independence leader Xanana Gusmão.
-
D.
Ichigaya Court, Tokyo
Ichigaya Court in Tokyo is the historic former military complex best known as the site where the International Military Tribunal for the Far East conducted the post–World War II war crimes trials.
-
E.
Kasumigaseki, Tokyo
Kasumigaseki, Tokyo is a central government district in Chiyoda, Tokyo, known for housing numerous Japanese ministries, agencies, and administrative offices.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca8399ad2081909f8fa41d4314c215 |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc672b12b48190a9d964f79b96d237 |
completed | April 1, 2026, 12:30 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfc9430a8c819096e0df38c107d1bd |
completed | April 3, 2026, 2:05 p.m. |
Created at: March 30, 2026, 7 p.m.