Triple
T13574842
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagoya City Transportation Bureau |
E324253
|
entity |
| Predicate | operatesTransitSystem |
P81300
|
FINISHED |
| Object | Nagoya Municipal Subway |
—
|
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 Municipal Subway | Statement: [Nagoya City Transportation Bureau, operatesTransitSystem, Nagoya Municipal Subway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagoya Municipal Subway Context triple: [Nagoya City Transportation Bureau, operatesTransitSystem, Nagoya Municipal Subway]
-
A.
Nagoya Municipal Subway
chosen
Nagoya Municipal Subway is the rapid transit system serving the city of Nagoya, Japan, forming the core of its urban public transportation network.
-
B.
Nagoya Subway Tsurumai Line
The Nagoya Subway Tsurumai Line is a major rapid transit line in Nagoya, Japan, operated by the Nagoya Municipal Subway and serving key urban and suburban areas across the city.
-
C.
Nagoya Municipal Subway Meikō Line
The Nagoya Municipal Subway Meikō Line is a circular subway line in Nagoya, Japan, operated by the Transportation Bureau City of Nagoya, serving coastal and port-area districts including parts of Atsuta-ku.
-
D.
Nagoya Subway Kamiiida Line
The Nagoya Subway Kamiiida Line is a rapid transit line in Nagoya, Japan, operated by the Nagoya Municipal Subway and connecting central Nagoya with the Kamiiida area in Aichi Prefecture.
-
E.
Nagoya Municipal Subway Meijō Line
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.
- 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_69d80769100c819099111274614f5ed2 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbb02b1f108190a12af382d1de70bb |
completed | April 12, 2026, 2:46 p.m. |
Created at: April 9, 2026, 9:48 p.m.