Triple

T21525830

Position	Surface form	Disambiguated ID	Type / Status
Subject	Tokyo Waterfront Area Rapid Transit	`E531093`	entity
Predicate	nativeName	`P15`	FINISHED
Object	東京臨海高速鉄道株式会社	`—`	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: 東京臨海高速鉄道株式会社 | Statement: [Tokyo Waterfront Area Rapid Transit, nativeName, 東京臨海高速鉄道株式会社]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: 東京臨海高速鉄道株式会社
Context triple: [Tokyo Waterfront Area Rapid Transit, nativeName, 東京臨海高速鉄道株式会社]

A. Tokyo Metropolitan Bureau of Transportation
The Tokyo Metropolitan Bureau of Transportation is the local government agency that operates key public transit services in Tokyo, including subways, trams, and buses.
B. Tokyu Railways
Tokyu Railways is a major private railway operator in the Greater Tokyo area of Japan, known for its extensive commuter rail network and integration with urban development projects.
C. Yokohama Minatomirai Railway Company
Yokohama Minatomirai Railway Company is a Japanese private railway operator that manages and operates the Minatomirai Line in Yokohama, Kanagawa Prefecture.
D. Tokyo Monorail Co., Ltd.
Tokyo Monorail Co., Ltd. is a Japanese railway company that operates the monorail line connecting central Tokyo with Haneda Airport.
E. Teito Rapid Transit Authority
Teito Rapid Transit Authority was the former public operator of several Tokyo subway lines before its privatization and reorganization as Tokyo Metro.
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: 東京臨海高速鉄道株式会社
Target entity description: 東京臨海高速鉄道株式会社は、東京都心と臨海副都心エリアを結ぶりんかい線を運営する日本の鉄道事業者です。

A. Tokyo Metropolitan Bureau of Transportation
The Tokyo Metropolitan Bureau of Transportation is the local government agency that operates key public transit services in Tokyo, including subways, trams, and buses.
B. Tokyu Railways
Tokyu Railways is a major private railway operator in the Greater Tokyo area of Japan, known for its extensive commuter rail network and integration with urban development projects.
C. Yokohama Minatomirai Railway Company
Yokohama Minatomirai Railway Company is a Japanese private railway operator that manages and operates the Minatomirai Line in Yokohama, Kanagawa Prefecture.
D. Tokyo Monorail Co., Ltd.
Tokyo Monorail Co., Ltd. is a Japanese railway company that operates the monorail line connecting central Tokyo with Haneda Airport.
E. Teito Rapid Transit Authority
Teito Rapid Transit Authority was the former public operator of several Tokyo subway lines before its privatization and reorganization as Tokyo Metro.
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_69e0c45d95a081908e7962ad215da746`	completed	April 16, 2026, 11:13 a.m.
NER	Named-entity recognition	`batch_69ee885073888190ae49f967f72acbf8`	completed	April 26, 2026, 9:49 p.m.

Created at: April 16, 2026, 6:26 p.m.