Triple
T16092108
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Marunouchi Line |
E390381
|
entity |
| Predicate | depot |
P14646
|
FINISHED |
| Object | Koishikawa Depot |
E997068
|
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: Koishikawa Depot | Statement: [Marunouchi Line, depot, Koishikawa Depot]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Koishikawa Depot Context triple: [Marunouchi Line, depot, Koishikawa Depot]
-
A.
Koishikawa Depot
chosen
Koishikawa Depot is a major Tokyo Metro rail yard and maintenance facility serving trains on the Marunouchi Line in Tokyo, Japan.
-
B.
Ueno Depot
Ueno Depot is a Tokyo Metro facility that services and stores trains operating on the Ginza Line in Tokyo, Japan.
-
C.
Jiyugaoka Station
Jiyugaoka Station is a major railway station in Tokyo’s Meguro Ward known for serving as a key hub on multiple Tokyu lines and providing access to the fashionable Jiyugaoka shopping and café district.
-
D.
Hibiya Station
Hibiya Station is a major Tokyo subway hub in the Chiyoda district, serving multiple lines and providing convenient access to nearby business, shopping, and cultural landmarks.
-
E.
Taisho Station
Taisho Station is a railway and subway station in Osaka, Japan, serving as a key access point to the nearby Kyocera Dome Osaka stadium.
- 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_69d87f198bc48190a8b7e53ca15b7ead |
completed | April 10, 2026, 4:39 a.m. |
| NER | Named-entity recognition | batch_69e1858d1264819099434d7201614d05 |
completed | April 17, 2026, 12:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffeb9550f0819092660f6c4b0d708e |
completed | May 10, 2026, 2:21 a.m. |
Created at: April 10, 2026, 4:59 a.m.