Triple
T21323201
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Meitetsu Mikawa Line |
E525675
|
entity |
| Predicate | isPartOf |
P10
|
FINISHED |
| Object | Nagoya metropolitan area rail network |
—
|
NE NERFINISHED |
How this triple was built (2 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: Nagoya metropolitan area rail network | Statement: [Meitetsu Mikawa Line, isPartOf, Nagoya metropolitan area rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagoya metropolitan area rail network Context triple: [Meitetsu Mikawa Line, isPartOf, Nagoya metropolitan area rail network]
-
A.
Nagoya metropolitan area rail network
chosen
The Nagoya metropolitan area rail network is an extensive system of urban and suburban railway lines centered on Nagoya, Japan, integrating JR, private, and subway services to connect the city with its surrounding region.
-
B.
Kansai public transport network
The Kansai public transport network is an extensive, interconnected system of trains, subways, buses, and trams serving Japan’s Kansai region, including major cities such as Osaka, Kyoto, and Kobe.
-
C.
Nagoya Municipal Subway
Nagoya Municipal Subway is the rapid transit system serving the city of Nagoya, Japan, forming the core of its urban public transportation network.
-
D.
Tokyo metropolitan rail network
The Tokyo metropolitan rail network is an extensive, high-frequency urban and suburban railway system in Greater Tokyo, renowned for its punctuality, complexity, and integration of multiple private and public rail operators.
-
E.
West Japan Railway network
The West Japan Railway network is the extensive system of rail lines operated by JR West, serving major regions such as Kansai, Chugoku, and parts of Hokuriku in western Japan.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0b51ad810819098c12392c8e55f6c |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e77ed572548190bd71ef690fc7befe |
completed | April 21, 2026, 1:42 p.m. |
Created at: April 16, 2026, 4:40 p.m.