Triple
T10686868
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Meguro Station |
E251899
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object | Tokyo Metro Namboku Line stations |
E258586
|
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: Tokyo Metro Namboku Line stations | Statement: [Meguro Station, category, Tokyo Metro Namboku Line stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyo Metro Namboku Line stations Context triple: [Meguro Station, category, Tokyo Metro Namboku Line stations]
-
A.
Tokyo Metro Namboku Line at Nagatacho
Tokyo Metro Namboku Line at Nagatacho is an underground station on Tokyo’s north–south Namboku Line located in the Nagatacho district, providing convenient transfers to multiple other Tokyo Metro lines.
-
B.
Tokyo Metro Namboku Line
chosen
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.
-
C.
Tokyo Metro Ginza Line at Tameike-sanno
Tokyo Metro Ginza Line at Tameike-sanno is a major Tokyo subway station on the historic Ginza Line, serving the central government and business district and offering convenient transfers to multiple other metro lines.
-
D.
Tokyo Metro Hanzomon Line at Nagatacho
Tokyo Metro Hanzomon Line at Nagatacho is an underground subway line stop in central Tokyo that serves the Hanzomon Line and provides convenient transfers to multiple other Tokyo Metro lines.
-
E.
Tokyo Metro Hibiya Line at Kayabacho
Tokyo Metro Hibiya Line at Kayabacho is a busy Tokyo subway line stop in the Nihonbashi business district, providing key access to central commercial and financial areas.
- 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_69d6aa5bd7c08190a816e733b4045c23 |
completed | April 8, 2026, 7:19 p.m. |
| NER | Named-entity recognition | batch_69d6fd192220819088eff88148376266 |
completed | April 9, 2026, 1:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d98894cea48190877a015dcb645bee |
completed | April 10, 2026, 11:32 p.m. |
Created at: April 8, 2026, 9:10 p.m.