Triple
T9007839
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Date Masamune |
E215389
|
entity |
| Predicate | domain |
P87
|
FINISHED |
| Object |
Sendai Domain
Sendai Domain was a powerful feudal domain in northern Japan during the Edo period, ruled by the Date clan founded by the warlord Date Masamune.
|
E770820
|
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: Sendai Domain | Statement: [Date Masamune, domain, Sendai Domain]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sendai Domain Context triple: [Date Masamune, domain, Sendai Domain]
-
A.
Mito Domain
Mito Domain was a prominent feudal han of the Tokugawa shogunate based in Mito, Ibaraki, and ruled by a branch of the Tokugawa family.
-
B.
Sendai
Sendai is the largest city in Japan’s Tōhoku region, known for its lush greenery, historic sites, and status as a major economic and cultural center in northeastern Honshu.
-
C.
Sendagaya
Sendagaya is a neighborhood in Tokyo known for its sports facilities, including the National Stadium, and its proximity to Shinjuku and Harajuku.
-
D.
Sendai High Court
The Sendai High Court is one of Japan’s regional appellate courts, handling appeals from lower courts in the Tōhoku region.
-
E.
Tosa Domain
Tosa Domain was a feudal han in Shikoku during Japan’s Edo period, ruled by the Yamauchi clan and later known for producing influential Meiji-era political leaders.
- 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: Sendai Domain Triple: [Date Masamune, domain, Sendai Domain]
Generated description
Sendai Domain was a powerful feudal domain in northern Japan during the Edo period, ruled by the Date clan founded by the warlord Date Masamune.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sendai Domain Target entity description: Sendai Domain was a powerful feudal domain in northern Japan during the Edo period, ruled by the Date clan founded by the warlord Date Masamune.
-
A.
Mito Domain
Mito Domain was a prominent feudal han of the Tokugawa shogunate based in Mito, Ibaraki, and ruled by a branch of the Tokugawa family.
-
B.
Sendai
Sendai is the largest city in Japan’s Tōhoku region, known for its lush greenery, historic sites, and status as a major economic and cultural center in northeastern Honshu.
-
C.
Sendagaya
Sendagaya is a neighborhood in Tokyo known for its sports facilities, including the National Stadium, and its proximity to Shinjuku and Harajuku.
-
D.
Sendai High Court
The Sendai High Court is one of Japan’s regional appellate courts, handling appeals from lower courts in the Tōhoku region.
-
E.
Tosa Domain
Tosa Domain was a feudal han in Shikoku during Japan’s Edo period, ruled by the Yamauchi clan and later known for producing influential Meiji-era political leaders.
- 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_69ca83a2bf088190986ee7a8eb90407d |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc69bdc5fc819081015f4adacf9fd4 |
completed | April 1, 2026, 12:41 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfd0e7f090819093c7af51c3979978 |
completed | April 3, 2026, 2:38 p.m. |
| NEDg | Description generation | batch_69cfd17e5850819087fbb60fdc612fd9 |
completed | April 3, 2026, 2:41 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfd215204c8190886cc071f100aab6 |
completed | April 3, 2026, 2:43 p.m. |
Created at: March 30, 2026, 7:05 p.m.