Triple
T17663965
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagatachō Station |
E440322
|
entity |
| Predicate | hasConnection |
P8776
|
FINISHED |
| Object | Tokyo Metro Marunouchi Line via Akasaka-mitsuke Station |
—
|
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: Tokyo Metro Marunouchi Line via Akasaka-mitsuke Station | Statement: [Nagatachō Station, hasConnection, Tokyo Metro Marunouchi Line via Akasaka-mitsuke Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyo Metro Marunouchi Line via Akasaka-mitsuke Station Context triple: [Nagatachō Station, hasConnection, Tokyo Metro Marunouchi Line via Akasaka-mitsuke Station]
-
A.
Tokyo Metro Marunouchi Line (at Ikebukuro Station)
The Tokyo Metro Marunouchi Line at Ikebukuro Station is a major Tokyo subway line stop that serves as a key transfer point between central Tokyo’s metro network and multiple suburban and urban rail lines.
-
B.
Tokyo Metro Marunouchi Line at Otemachi
Tokyo Metro Marunouchi Line at Otemachi is a major subway line stop in central Tokyo that serves the busy Otemachi business district and offers extensive transfers to other Tokyo Metro lines.
-
C.
Tokyo Metro Chiyoda Line at Otemachi
Tokyo Metro Chiyoda Line at Otemachi is a subway line platform and service point within Otemachi Station in central Tokyo, providing urban rail transit and transfers to multiple other Tokyo Metro lines.
-
D.
Tokyo Metro Toei Mita Line at Otemachi
Tokyo Metro Toei Mita Line at Otemachi is a subway line stop within Tokyo’s extensive urban rail network, serving the Otemachi business district and providing transfers to multiple intersecting Tokyo Metro lines.
-
E.
Tokyo Metro Marunouchi Line
chosen
The Tokyo Metro Marunouchi Line is one of Tokyo’s main subway lines, running in a loop-like route through central districts and connecting major hubs such as Shinjuku, Tokyo, and Ikebukuro.
- 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_69d8b9e87e18819087104a44dc4dc5b1 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e46ea7f0ec81908eff43aa845584af |
completed | April 19, 2026, 5:56 a.m. |
Created at: April 10, 2026, 9:53 a.m.