Triple
T21309836
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shimbashi Station |
E525299
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object | JR East Yokosuka Line |
—
|
NE NERFINISHED |
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: JR East Yokosuka Line | Statement: [Shimbashi Station, servedByLine, JR East Yokosuka Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR East Yokosuka Line Context triple: [Shimbashi Station, servedByLine, JR East Yokosuka Line]
-
A.
Seibu Yamaguchi Line
The Seibu Yamaguchi Line is a short, automated guideway transit line in Saitama Prefecture, Japan, primarily serving the Seibu-en and Seibu Dome (Belluna Dome) area as a people mover.
-
B.
Yokosuka Line
chosen
The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
-
C.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
D.
JR East Keiyō Line
The JR East Keiyō Line is a railway line in the Tokyo–Chiba area of Japan that runs along the Tokyo Bay waterfront, linking central Tokyo with destinations such as Maihama (Tokyo Disney Resort) and Chiba.
-
E.
Nankai Takashinohama Line
The Nankai Takashinohama Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers in the Sakai area.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0b518b8948190ad69cf9a8784d397 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e75aaa56fc81909ba7649302528269 |
completed | April 21, 2026, 11:08 a.m. |
Created at: April 16, 2026, 4:06 p.m.