Triple
T5960555
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Letters from Iwo Jima |
E132624
|
entity |
| Predicate | castMember |
P1668
|
FINISHED |
| Object |
Hiroshi Watanabe
Hiroshi Watanabe is a Japanese actor best known internationally for his role in Clint Eastwood’s World War II film "Letters from Iwo Jima."
|
E868203
|
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: Hiroshi Watanabe | Statement: [Letters from Iwo Jima, castMember, Hiroshi Watanabe]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hiroshi Watanabe Context triple: [Letters from Iwo Jima, castMember, Hiroshi Watanabe]
-
A.
Toshio Fukuda
Toshio Fukuda is a Japanese media executive best known for his leadership role at Nippon Television Network, one of Japan’s major commercial broadcasters.
-
B.
Michio Watanabe
Michio Watanabe was a prominent Japanese politician of the Liberal Democratic Party who held key cabinet posts, including Deputy Prime Minister and Foreign Minister, and was known as a powerful party faction leader.
-
C.
Hirofumi Yoshimura
Hirofumi Yoshimura is a Japanese politician who serves as the governor of Osaka Prefecture and is a prominent figure in regional reform politics.
-
D.
Hideo Nishitani
Hideo Nishitani is a scientist known for being a distinguished mentee of molecular biologist Bruce Stillman.
-
E.
Shinji Ushiroda
Shinji Ushiroda is a Japanese video game composer best known for his work on Nintendo titles, including contributing to the music of Mario Kart: Double Dash!!.
- 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: Hiroshi Watanabe Triple: [Letters from Iwo Jima, castMember, Hiroshi Watanabe]
Generated description
Hiroshi Watanabe is a Japanese actor best known internationally for his role in Clint Eastwood’s World War II film "Letters from Iwo Jima."
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hiroshi Watanabe Target entity description: Hiroshi Watanabe is a Japanese actor best known internationally for his role in Clint Eastwood’s World War II film "Letters from Iwo Jima."
-
A.
Toshio Fukuda
Toshio Fukuda is a Japanese media executive best known for his leadership role at Nippon Television Network, one of Japan’s major commercial broadcasters.
-
B.
Michio Watanabe
Michio Watanabe was a prominent Japanese politician of the Liberal Democratic Party who held key cabinet posts, including Deputy Prime Minister and Foreign Minister, and was known as a powerful party faction leader.
-
C.
Hirofumi Yoshimura
Hirofumi Yoshimura is a Japanese politician who serves as the governor of Osaka Prefecture and is a prominent figure in regional reform politics.
-
D.
Hideo Nishitani
Hideo Nishitani is a scientist known for being a distinguished mentee of molecular biologist Bruce Stillman.
-
E.
Shinji Ushiroda
Shinji Ushiroda is a Japanese video game composer best known for his work on Nintendo titles, including contributing to the music of Mario Kart: Double Dash!!.
- 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_69c0086c2364819091e9fe2f58fa2517 |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c039fd6dd48190a6020bef38b1be82 |
completed | March 22, 2026, 6:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d90d3dfbac819087d07c35a1776064 |
completed | April 10, 2026, 2:46 p.m. |
| NEDg | Description generation | batch_69d9100604e08190b744b361d60188d5 |
completed | April 10, 2026, 2:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d910a1cdb88190988db41e97341ed9 |
completed | April 10, 2026, 3 p.m. |
Created at: March 22, 2026, 4:02 p.m.