Triple

T7276220

Position	Surface form	Disambiguated ID	Type / Status
Subject	Tokyo Metro Yurakucho Line at Nagatacho	`E163035`	entity
Predicate	connectsWith	`P37`	FINISHED
Object	Tokyo Metro Ginza Line at Tameike-sanno Tokyo Metro Ginza Line at Tameike-sanno is a major Tokyo subway station on the historic Ginza Line, serving the central government and business district and offering convenient transfers to multiple other metro lines.	`E657539`	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: Tokyo Metro Ginza Line at Tameike-sanno | Statement: [Tokyo Metro Yurakucho Line at Nagatacho, connectsWith, Tokyo Metro Ginza Line at Tameike-sanno]

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

Target entity: Tokyo Metro Ginza Line at Tameike-sanno
Context triple: [Tokyo Metro Yurakucho Line at Nagatacho, connectsWith, Tokyo Metro Ginza Line at Tameike-sanno]

A. Tokyo Metro Hanzomon Line at Nagatacho
Tokyo Metro Hanzomon Line at Nagatacho is an underground subway line stop in central Tokyo that serves the Hanzomon Line and provides convenient transfers to multiple other Tokyo Metro lines.
B. Tokyo Metro Hibiya Line at Kayabacho
Tokyo Metro Hibiya Line at Kayabacho is a busy Tokyo subway line stop in the Nihonbashi business district, providing key access to central commercial and financial areas.
C. Tokyo Metro Ginza Line
The Tokyo Metro Ginza Line is one of Tokyo’s oldest and most central subway lines, running east–west through major commercial and business districts including Shibuya and Ginza.
D. Tokyo Metro Namboku Line at Nagatacho
Tokyo Metro Namboku Line at Nagatacho is an underground station on Tokyo’s north–south Namboku Line located in the Nagatacho district, providing convenient transfers to multiple other Tokyo Metro lines.
E. Tokyo Metro Chiyoda Line at Omotesando
The Tokyo Metro Chiyoda Line at Omotesando is a major subway line stop in central Tokyo that serves the fashionable Omotesando district and connects with other key metro routes.
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: Tokyo Metro Ginza Line at Tameike-sanno
Triple: [Tokyo Metro Yurakucho Line at Nagatacho, connectsWith, Tokyo Metro Ginza Line at Tameike-sanno]

Generated description

Tokyo Metro Ginza Line at Tameike-sanno is a major Tokyo subway station on the historic Ginza Line, serving the central government and business district and offering convenient transfers to multiple other metro lines.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Tokyo Metro Ginza Line at Tameike-sanno
Target entity description: Tokyo Metro Ginza Line at Tameike-sanno is a major Tokyo subway station on the historic Ginza Line, serving the central government and business district and offering convenient transfers to multiple other metro lines.

A. Tokyo Metro Hanzomon Line at Nagatacho
Tokyo Metro Hanzomon Line at Nagatacho is an underground subway line stop in central Tokyo that serves the Hanzomon Line and provides convenient transfers to multiple other Tokyo Metro lines.
B. Tokyo Metro Hibiya Line at Kayabacho
Tokyo Metro Hibiya Line at Kayabacho is a busy Tokyo subway line stop in the Nihonbashi business district, providing key access to central commercial and financial areas.
C. Tokyo Metro Ginza Line
The Tokyo Metro Ginza Line is one of Tokyo’s oldest and most central subway lines, running east–west through major commercial and business districts including Shibuya and Ginza.
D. Tokyo Metro Namboku Line at Nagatacho
Tokyo Metro Namboku Line at Nagatacho is an underground station on Tokyo’s north–south Namboku Line located in the Nagatacho district, providing convenient transfers to multiple other Tokyo Metro lines.
E. Tokyo Metro Chiyoda Line at Omotesando
The Tokyo Metro Chiyoda Line at Omotesando is a major subway line stop in central Tokyo that serves the fashionable Omotesando district and connects with other key metro routes.
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_69c6885c5964819085b209701769877f`	completed	March 27, 2026, 1:38 p.m.
NER	Named-entity recognition	`batch_69c6eb2f239c819097c1ac4d6de8b0e5`	completed	March 27, 2026, 8:40 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c7eed8c5448190b83faee62f8122de`	completed	March 28, 2026, 3:08 p.m.
NEDg	Description generation	`batch_69c7ef7f7b7c8190b3361cc01b2eefc0`	completed	March 28, 2026, 3:10 p.m.
NED2	Entity disambiguation (via description)	`batch_69c7f380dbe48190933e1eeff109185d`	completed	March 28, 2026, 3:28 p.m.

Created at: March 27, 2026, 2:59 p.m.