Triple

T11286499

Position	Surface form	Disambiguated ID	Type / Status
Subject	Toei Oedo Line	`E267201`	entity
Predicate	connectsWith	`P37`	FINISHED
Object	Tokyo Metro Hibiya Line at Roppongi Station Tokyo Metro Hibiya Line at Roppongi Station is a major Tokyo subway line stop in the Roppongi district that serves as an important transfer point and access hub for the area’s nightlife, business, and cultural attractions.	`E915512`	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 Hibiya Line at Roppongi Station | Statement: [Toei Oedo Line, connectsWith, Tokyo Metro Hibiya Line at Roppongi Station]

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

Target entity: Tokyo Metro Hibiya Line at Roppongi Station
Context triple: [Toei Oedo Line, connectsWith, Tokyo Metro Hibiya Line at Roppongi Station]

A. Tokyo Metro Ginza Line at Kanda Station
Tokyo Metro Ginza Line at Kanda Station is the Ginza Line subway stop in Tokyo’s Kanda district, providing underground metro service and transfers to JR railway lines.
B. Tokyo Metro Hanzomon Line at Otemachi
Tokyo Metro Hanzomon Line at Otemachi is a major subway line stop in central Tokyo that serves the Otemachi business district and provides key transfers to multiple other Tokyo Metro lines.
C. 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.
D. Tokyo Metro Marunouchi Line at Otemachi
Tokyo Metro Marunouchi Line at Otemachi is a major subway line stop in central Tokyo that serves the busy Otemachi business district and offers extensive transfers to other Tokyo Metro lines.
E. Tokyo Metro Tozai Line at Otemachi
Tokyo Metro Tozai Line at Otemachi is a major Tokyo subway line stop located in the Otemachi business district, serving as a key transfer point within the city’s extensive metro network.
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 Hibiya Line at Roppongi Station
Triple: [Toei Oedo Line, connectsWith, Tokyo Metro Hibiya Line at Roppongi Station]

Generated description

Tokyo Metro Hibiya Line at Roppongi Station is a major Tokyo subway line stop in the Roppongi district that serves as an important transfer point and access hub for the area’s nightlife, business, and cultural attractions.

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

Target entity: Tokyo Metro Hibiya Line at Roppongi Station
Target entity description: Tokyo Metro Hibiya Line at Roppongi Station is a major Tokyo subway line stop in the Roppongi district that serves as an important transfer point and access hub for the area’s nightlife, business, and cultural attractions.

A. Tokyo Metro Ginza Line at Kanda Station
Tokyo Metro Ginza Line at Kanda Station is the Ginza Line subway stop in Tokyo’s Kanda district, providing underground metro service and transfers to JR railway lines.
B. Tokyo Metro Hanzomon Line at Otemachi
Tokyo Metro Hanzomon Line at Otemachi is a major subway line stop in central Tokyo that serves the Otemachi business district and provides key transfers to multiple other Tokyo Metro lines.
C. 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.
D. Tokyo Metro Marunouchi Line at Otemachi
Tokyo Metro Marunouchi Line at Otemachi is a major subway line stop in central Tokyo that serves the busy Otemachi business district and offers extensive transfers to other Tokyo Metro lines.
E. Tokyo Metro Tozai Line at Otemachi
Tokyo Metro Tozai Line at Otemachi is a major Tokyo subway line stop located in the Otemachi business district, serving as a key transfer point within the city’s extensive metro network.
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_69d6aac993a08190a6f36445ebaf9a43`	completed	April 8, 2026, 7:21 p.m.
NER	Named-entity recognition	`batch_69d7e986b0f08190a414749eaa7f1a5d`	completed	April 9, 2026, 6:01 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69e4f48070ac8190b0e4d49f42ac3896`	completed	April 19, 2026, 3:28 p.m.
NEDg	Description generation	`batch_69e4f95cbc7c819082e3d7c3c3266708`	completed	April 19, 2026, 3:48 p.m.
NED2	Entity disambiguation (via description)	`batch_69e4ff6b7d248190b4dd885280e09a8e`	completed	April 19, 2026, 4:14 p.m.

Created at: April 8, 2026, 9:32 p.m.