Triple
T10015012
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Aichi Prefecture |
E199464
|
entity |
| Predicate | hasRailLine |
P848
|
FINISHED |
| Object | Nagoya Subway Meijo Line |
E567847
|
NE FINISHED |
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 Subway Meijo Line | Statement: [Aichi Prefecture, hasRailLine, Nagoya Subway Meijo Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagoya Subway Meijo Line Context triple: [Aichi Prefecture, hasRailLine, Nagoya Subway Meijo Line]
-
A.
Nagoya Municipal Subway Meijō Line
chosen
The Nagoya Municipal Subway Meijō Line is a circular subway line in Nagoya, Japan, forming a loop around the city and connecting major commercial and residential districts.
-
B.
Nagoya Subway Higashiyama Line
The Nagoya Subway Higashiyama Line is a major rapid transit line in Nagoya, Japan, forming part of the city’s subway network and connecting key commercial and residential areas.
-
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.
Higashiyama Line of Nagoya Municipal Subway
The Higashiyama Line of the Nagoya Municipal Subway is one of Nagoya’s main rapid transit lines, running east–west across the city and connecting key commercial, residential, and educational areas.
-
E.
Nishitetsu Kaizuka Line
The Nishitetsu Kaizuka Line is a Japanese private railway line in Fukuoka operated by Nishi-Nippon Railroad, connecting suburban areas with central Fukuoka.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca8315a1a08190ab310f25620f362b |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cdcd49b19c8190b429e3533d072648 |
completed | April 2, 2026, 1:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f61e2fa3bc81909edef00c61265c55 |
completed | May 2, 2026, 3:54 p.m. |
Created at: March 30, 2026, 8:52 p.m.