Triple

T9888687

Position	Surface form	Disambiguated ID	Type / Status
Subject	Metropolitan Expressway (Tokyo)	`E181400`	entity
Predicate	hasPart	`P35`	FINISHED
Object	Shuto Expressway Route 2 Meguro Line Shuto Expressway Route 2 Meguro Line is an urban expressway route in Tokyo that forms part of the Shuto Expressway network, connecting central Tokyo with the Meguro area.	`E830850`	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: Shuto Expressway Route 2 Meguro Line | Statement: [Metropolitan Expressway (Tokyo), hasPart, Shuto Expressway Route 2 Meguro Line]

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

Target entity: Shuto Expressway Route 2 Meguro Line
Context triple: [Metropolitan Expressway (Tokyo), hasPart, Shuto Expressway Route 2 Meguro Line]

A. Shuto Expressway Route 1 Ueno Line
Shuto Expressway Route 1 Ueno Line is an elevated urban expressway segment in central Tokyo that connects the Ueno area with the broader Shuto (Metropolitan) Expressway network.
B. Shuto Expressway Route 11 Daiba Line
Shuto Expressway Route 11 Daiba Line is an elevated expressway route in Tokyo that connects central Tokyo with the Odaiba waterfront district via the iconic Rainbow Bridge.
C. Tokyu Meguro Line
The Tokyu Meguro Line is a commuter railway line in Tokyo and Kanagawa operated by Tokyu Corporation, linking central Tokyo with its southwestern suburbs and offering through services onto various subway and other private railway lines.
D. Meguro–Hiyoshi corridor
The Meguro–Hiyoshi corridor is a key suburban rail corridor in the Tokyo–Yokohama area linking central Tokyo with the Hiyoshi district via multiple interconnected Tokyu railway lines.
E. Shuto Expressway Route 1 Haneda Line
Shuto Expressway Route 1 Haneda Line is a major urban expressway in the Tokyo area that connects central Tokyo with Haneda Airport as part of the Shuto (Metropolitan) Expressway 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: Shuto Expressway Route 2 Meguro Line
Triple: [Metropolitan Expressway (Tokyo), hasPart, Shuto Expressway Route 2 Meguro Line]

Generated description

Shuto Expressway Route 2 Meguro Line is an urban expressway route in Tokyo that forms part of the Shuto Expressway network, connecting central Tokyo with the Meguro area.

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

Target entity: Shuto Expressway Route 2 Meguro Line
Target entity description: Shuto Expressway Route 2 Meguro Line is an urban expressway route in Tokyo that forms part of the Shuto Expressway network, connecting central Tokyo with the Meguro area.

A. Shuto Expressway Route 1 Ueno Line
Shuto Expressway Route 1 Ueno Line is an elevated urban expressway segment in central Tokyo that connects the Ueno area with the broader Shuto (Metropolitan) Expressway network.
B. Shuto Expressway Route 11 Daiba Line
Shuto Expressway Route 11 Daiba Line is an elevated expressway route in Tokyo that connects central Tokyo with the Odaiba waterfront district via the iconic Rainbow Bridge.
C. Tokyu Meguro Line
The Tokyu Meguro Line is a commuter railway line in Tokyo and Kanagawa operated by Tokyu Corporation, linking central Tokyo with its southwestern suburbs and offering through services onto various subway and other private railway lines.
D. Meguro–Hiyoshi corridor
The Meguro–Hiyoshi corridor is a key suburban rail corridor in the Tokyo–Yokohama area linking central Tokyo with the Hiyoshi district via multiple interconnected Tokyu railway lines.
E. Shuto Expressway Route 1 Haneda Line
Shuto Expressway Route 1 Haneda Line is a major urban expressway in the Tokyo area that connects central Tokyo with Haneda Airport as part of the Shuto (Metropolitan) Expressway 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_69ca8283a6708190801af7a25a7ebb9f`	completed	March 30, 2026, 2:02 p.m.
NER	Named-entity recognition	`batch_69cdb4592db881909b134834dde614d8`	completed	April 2, 2026, 12:12 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69d22891cb4c8190b4d378749599bdda`	completed	April 5, 2026, 9:17 a.m.
NEDg	Description generation	`batch_69d22968194c8190b919ed3ab2dcfc33`	completed	April 5, 2026, 9:20 a.m.
NED2	Entity disambiguation (via description)	`batch_69d229d10dac81909f34a9977e6445a0`	completed	April 5, 2026, 9:22 a.m.

Created at: March 30, 2026, 8:39 p.m.