Triple
T10014955
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Aichi Prefecture |
E199464
|
entity |
| Predicate | hasRailOperator |
P5620
|
FINISHED |
| Object | Nagoya Municipal Subway |
E411033
|
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 Municipal Subway | Statement: [Aichi Prefecture, hasRailOperator, Nagoya Municipal Subway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagoya Municipal Subway Context triple: [Aichi Prefecture, hasRailOperator, 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 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.
-
C.
Tokyo Metro Namboku Line
The Tokyo Metro Namboku Line is a north–south subway line in Tokyo operated by Tokyo Metro, known for its deep underground stations and through-services to other railway lines.
-
D.
Kyoto Municipal Subway
The Kyoto Municipal Subway is an urban rapid transit system serving Kyoto, Japan, providing key north–south and east–west rail connections across the city.
-
E.
Kintetsu Nagoya Line
The Kintetsu Nagoya Line is a major private railway line in Japan connecting Nagoya with cities in Mie Prefecture, serving as an important commuter and intercity route.
- 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_69f5f62d41448190ab65fb9c81d4d673 |
completed | May 2, 2026, 1:03 p.m. |
Created at: March 30, 2026, 8:52 p.m.