Triple
T7276224
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Yurakucho Line at Nagatacho |
E163035
|
entity |
| Predicate | isPartOfComplex |
P35
|
FINISHED |
| Object | Nagatacho Station complex |
E440322
|
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: Nagatacho Station complex | Statement: [Tokyo Metro Yurakucho Line at Nagatacho, isPartOfComplex, Nagatacho Station complex]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagatacho Station complex Context triple: [Tokyo Metro Yurakucho Line at Nagatacho, isPartOfComplex, Nagatacho Station complex]
-
A.
Nagatachō Station
chosen
Nagatachō Station is a major Tokyo Metro subway station in central Tokyo that serves the government district near the National Diet and numerous ministry buildings.
-
B.
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.
-
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.
Ueno Depot
Ueno Depot is a Tokyo Metro facility that services and stores trains operating on the Ginza Line in Tokyo, Japan.
-
E.
Ginza Station
Ginza Station is a major Tokyo Metro subway hub located in Tokyo’s upscale Ginza district, serving as a key access point to the area’s shopping, dining, and entertainment.
- 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_69c6885c5964819085b209701769877f |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6eb2f239c819097c1ac4d6de8b0e5 |
completed | March 27, 2026, 8:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cb59a7732c819095aa0903d419b740 |
completed | March 31, 2026, 5:20 a.m. |
Created at: March 27, 2026, 2:59 p.m.