Triple
T22632131
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kasumigaseki Building |
E558579
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Mitsui Fudosan |
—
|
NE NERFINISHED |
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: Mitsui Fudosan | Statement: [Kasumigaseki Building, owner, Mitsui Fudosan]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mitsui Fudosan Context triple: [Kasumigaseki Building, owner, Mitsui Fudosan]
-
A.
Mitsui Fudosan
chosen
Mitsui Fudosan is a major Japanese real estate developer and property management company known for large-scale urban redevelopment projects and landmark commercial properties.
-
B.
Keihan Real Estate
Keihan Real Estate is a Japanese real estate company within the Keihan Group, engaged in property development, sales, and related urban development projects along the Keihan railway corridor.
-
C.
Nomura Real Estate
Nomura Real Estate is a major Japanese real estate developer known for office buildings, residential properties, and large-scale urban development projects.
-
D.
Mitsubishi UFJ Real Estate Services
Mitsubishi UFJ Real Estate Services is a real estate company within the Mitsubishi UFJ financial group, providing property brokerage, management, and related real estate services in Japan.
-
E.
Sekisui House
Sekisui House is a major Japanese homebuilder and real estate developer known for large-scale residential and commercial projects in Japan and abroad.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e245467d9881908d6985bd0db7a1f1 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f17009ecb0819082f94505b0e2c5b8 |
completed | April 29, 2026, 2:42 a.m. |
Created at: April 17, 2026, 3:02 p.m.