Triple
T18495696
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yomiuri Land |
E451940
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | Yomiuri Land Co., Ltd. |
—
|
NE NERFINISHED |
How this triple was built (3 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: Yomiuri Land Co., Ltd. | Statement: [Yomiuri Land, operatedBy, Yomiuri Land Co., Ltd.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yomiuri Land Co., Ltd. Context triple: [Yomiuri Land, operatedBy, Yomiuri Land Co., Ltd.]
-
A.
Tokyu Land Corporation
Tokyu Land Corporation is a major Japanese real estate developer and property management company within the Tokyu Group conglomerate.
-
B.
Seibu Group
Seibu Group is a major Japanese conglomerate with core businesses in railways, hotels, real estate, and leisure services.
-
C.
Keikyu Corporation
Keikyu Corporation is a major private railway operator in the Greater Tokyo area, best known for its commuter and airport rail services connecting central Tokyo with Haneda Airport and the Miura Peninsula.
-
D.
Koizumi Sangyo Corporation
Koizumi Sangyo Corporation is a Japanese company known for manufacturing and supplying lighting fixtures, electrical equipment, and related industrial products.
-
E.
Tokyu Corporation
Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Yomiuri Land Co., Ltd. Target entity description: Yomiuri Land Co., Ltd. is a Japanese company best known for developing and operating the Yomiuri Land amusement park and related leisure facilities.
-
A.
Tokyu Land Corporation
Tokyu Land Corporation is a major Japanese real estate developer and property management company within the Tokyu Group conglomerate.
-
B.
Seibu Group
Seibu Group is a major Japanese conglomerate with core businesses in railways, hotels, real estate, and leisure services.
-
C.
Keikyu Corporation
Keikyu Corporation is a major private railway operator in the Greater Tokyo area, best known for its commuter and airport rail services connecting central Tokyo with Haneda Airport and the Miura Peninsula.
-
D.
Koizumi Sangyo Corporation
Koizumi Sangyo Corporation is a Japanese company known for manufacturing and supplying lighting fixtures, electrical equipment, and related industrial products.
-
E.
Tokyu Corporation
Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
- F. None of above. chosen
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_69d8d3855d50819097fc8561b0299dd9 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e532bfeef4819096b2fa28abb662b9 |
completed | April 19, 2026, 7:53 p.m. |
Created at: April 10, 2026, 11:35 a.m.