Triple
T1195426
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shibuya Station |
E25657
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Keio Corporation
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
|
E138695
|
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: Keio Corporation | Statement: [Shibuya Station, operator, Keio Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keio Corporation Context triple: [Shibuya Station, operator, Keio Corporation]
-
A.
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.
-
B.
Tokyo Tsushin Kogyo
Tokyo Tsushin Kogyo was the original name of the Japanese electronics company that later became globally known as Sony.
-
C.
Kashio Seisakujo
Kashio Seisakujo was the original small Japanese manufacturing workshop founded by the Kashio brothers that evolved into the global electronics company Casio.
-
D.
Jidosha-Seizo Co., Ltd.
Jidosha-Seizo Co., Ltd. was the early Japanese automobile manufacturing company that evolved into what is known today as Nissan Motor Co., Ltd.
-
E.
Hankyu Hanshin Holdings, Inc.
Hankyu Hanshin Holdings, Inc. is a major Japanese corporate group centered on railway, real estate, and entertainment businesses, best known for operating the Hankyu and Hanshin railway lines and related enterprises in the Kansai region.
- 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: Keio Corporation Triple: [Shibuya Station, operator, Keio Corporation]
Generated description
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keio Corporation Target entity description: Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
-
A.
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.
-
B.
Tokyo Tsushin Kogyo
Tokyo Tsushin Kogyo was the original name of the Japanese electronics company that later became globally known as Sony.
-
C.
Kashio Seisakujo
Kashio Seisakujo was the original small Japanese manufacturing workshop founded by the Kashio brothers that evolved into the global electronics company Casio.
-
D.
Jidosha-Seizo Co., Ltd.
Jidosha-Seizo Co., Ltd. was the early Japanese automobile manufacturing company that evolved into what is known today as Nissan Motor Co., Ltd.
-
E.
Hankyu Hanshin Holdings, Inc.
Hankyu Hanshin Holdings, Inc. is a major Japanese corporate group centered on railway, real estate, and entertainment businesses, best known for operating the Hankyu and Hanshin railway lines and related enterprises in the Kansai region.
- 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_69a49429f5ec8190a6a205eb0ae81e5e |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bd78f61c8190bdba2255d35a8fe4 |
completed | March 1, 2026, 10:28 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac7f383a1c8190932e4b200fec02b5 |
completed | March 7, 2026, 7:40 p.m. |
| NEDg | Description generation | batch_69ac7fba00f0819086a0fffa090c5809 |
completed | March 7, 2026, 7:42 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac807ead9c819088f7195aec87a538 |
completed | March 7, 2026, 7:46 p.m. |
Created at: March 1, 2026, 7:46 p.m.