Triple
T3040080
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagoya Station |
E83103
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Nagoya Municipal Subway Sakura-dōri Line |
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 Sakura-dōri Line | Statement: [Nagoya Station, servedBy, Nagoya Municipal Subway Sakura-dōri Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagoya Municipal Subway Sakura-dōri Line Context triple: [Nagoya Station, servedBy, Nagoya Municipal Subway Sakura-dōri Line]
-
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.
Namboku Line
The Namboku Line is a Tokyo Metro subway line running north–south through central Tokyo, connecting residential districts with major business and transit hubs.
-
C.
Minatomirai Line
The Minatomirai Line is a private railway line in Yokohama, Japan, connecting central Yokohama with the Minato Mirai 21 waterfront district and offering through services with multiple Tokyo subway and suburban lines.
-
D.
Tanimachi Line
The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
-
E.
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.
- 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_69ad8b2298908190a7cb4e9bdbf064d0 |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad9b59fea8819091796e30812df9c5 |
completed | March 8, 2026, 3:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b576730b24819081273a6815087f73 |
completed | March 14, 2026, 2:53 p.m. |
Created at: March 8, 2026, 3:01 p.m.