Triple

T13562258

Position	Surface form	Disambiguated ID	Type / Status
Subject	Sakae district of Nagoya	`E323936`	entity
Predicate	servedByLine	`P1293`	FINISHED
Object	Meijō Line	`—`	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: Meijō Line | Statement: [Sakae district of Nagoya, servedByLine, Meijō Line]

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

Target entity: Meijō Line
Context triple: [Sakae district of Nagoya, servedByLine, Meijō Line]

A. Saikyō Line
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
B. Keihan Main Line
The Keihan Main Line is a major Japanese railway line operated by Keihan Electric Railway, connecting Osaka and Kyoto and serving as a key commuter and intercity route in the Kansai region.
C. Gakkentoshi Line
The Gakkentoshi Line is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West, connecting urban centers with suburban and residential areas.
D. Hibiya Line
The Hibiya Line is a major Tokyo Metro subway line in Tokyo, Japan, connecting key central districts and serving as an important commuter and transfer route.
E. Tanagawa Line
The Tanagawa Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers near the coastal area.
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: Meijō Line
Target entity description: The Meijō Line is a circular subway line in Nagoya, Japan, forming a loop around the city and connecting major commercial and residential districts.

A. Saikyō Line
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
B. Keihan Main Line
The Keihan Main Line is a major Japanese railway line operated by Keihan Electric Railway, connecting Osaka and Kyoto and serving as a key commuter and intercity route in the Kansai region.
C. Gakkentoshi Line
The Gakkentoshi Line is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West, connecting urban centers with suburban and residential areas.
D. Hibiya Line
The Hibiya Line is a major Tokyo Metro subway line in Tokyo, Japan, connecting key central districts and serving as an important commuter and transfer route.
E. Tanagawa Line
The Tanagawa Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers near the coastal area.
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_69d8076830b48190910a902bae5888e2`	completed	April 9, 2026, 8:09 p.m.
NER	Named-entity recognition	`batch_69dbb00bbe848190bb33efe2af528295`	completed	April 12, 2026, 2:45 p.m.

Created at: April 9, 2026, 9:47 p.m.