Triple
T11161488
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Marunouchi Line |
E264046
|
entity |
| Predicate | branchTerminus |
P388
|
FINISHED |
| Object | Nakano-sakaue Station |
—
|
NE NERFINISHED |
How this triple was built (3 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: Nakano-sakaue Station | Statement: [Tokyo Metro Marunouchi Line, branchTerminus, Nakano-sakaue Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nakano-sakaue Station Context triple: [Tokyo Metro Marunouchi Line, branchTerminus, Nakano-sakaue Station]
-
A.
Sakae Station
Sakae Station is a major underground railway and subway hub in Nagoya, Japan, serving the busy Sakae commercial and entertainment district.
-
B.
Shimura-Sakaue Station
Shimura-Sakaue Station is a railway station in the Itabashi ward of Tokyo, Japan, serving local commuters on the Toei Mita Line.
-
C.
Yoshinochō Station
Yoshinochō Station is a railway station in Yokohama, Japan, serving local commuters and connecting the Minami Ward area to the wider rail network.
-
D.
Kishinosato Station
Kishinosato Station is a railway station in Osaka, Japan, served by the Osaka Metro Yotsubashi Line.
-
E.
Takehara Station
Takehara Station is a regional railway station serving the coastal city of Takehara in Hiroshima Prefecture, Japan.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nakano-sakaue Station Target entity description: Nakano-sakaue Station is a Tokyo railway station in Nakano Ward that serves as an interchange between the Tokyo Metro Marunouchi Line and the Toei Ōedo Line.
-
A.
Sakae Station
Sakae Station is a major underground railway and subway hub in Nagoya, Japan, serving the busy Sakae commercial and entertainment district.
-
B.
Shimura-Sakaue Station
Shimura-Sakaue Station is a railway station in the Itabashi ward of Tokyo, Japan, serving local commuters on the Toei Mita Line.
-
C.
Yoshinochō Station
Yoshinochō Station is a railway station in Yokohama, Japan, serving local commuters and connecting the Minami Ward area to the wider rail network.
-
D.
Kishinosato Station
Kishinosato Station is a railway station in Osaka, Japan, served by the Osaka Metro Yotsubashi Line.
-
E.
Takehara Station
Takehara Station is a regional railway station serving the coastal city of Takehara in Hiroshima Prefecture, Japan.
- F. None of above. chosen
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_69d6aa9ccddc8190868998c8b7beb060 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e8817a90819087820d5241c58851 |
completed | April 9, 2026, 5:57 p.m. |
Created at: April 8, 2026, 9:29 p.m.