Triple
T11285407
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Takadanobaba Station |
E267173
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Seibu Shinjuku Line |
E384447
|
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: Seibu Shinjuku Line | Statement: [Takadanobaba Station, railwayLine, Seibu Shinjuku Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Seibu Shinjuku Line Context triple: [Takadanobaba Station, railwayLine, Seibu Shinjuku Line]
-
A.
Seibu Shinjuku Line
chosen
The Seibu Shinjuku Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Seibu-Shinjuku Station in central Tokyo with suburban cities in western Tokyo and Saitama Prefecture.
-
B.
Seibu Yurakucho Line
The Seibu Yurakucho Line is a commuter railway line in Tokyo operated by Seibu Railway, linking the Seibu Ikebukuro Line with central Tokyo subway networks.
-
C.
Seibu Ikebukuro Line
The Seibu Ikebukuro Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Ikebukuro in central Tokyo with suburban destinations in Saitama Prefecture.
-
D.
Toei Shinjuku Line
The Toei Shinjuku Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running east–west across the city and connecting central Tokyo with its eastern suburbs.
-
E.
Seibu Kokubunji Line
The Seibu Kokubunji Line is a commuter railway line in western Tokyo operated by Seibu Railway, connecting residential suburbs with major transit hubs.
- 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_69d6aac993a08190a6f36445ebaf9a43 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e9855e8881909bd301718cbd8ca1 |
completed | April 9, 2026, 6:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffb58e50bc819086622a33b59cc332 |
completed | May 9, 2026, 10:30 p.m. |
Created at: April 8, 2026, 9:31 p.m.