Triple
T12218320
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR West 207 series |
E291143
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object | San’yō Main Line (JR West) |
—
|
NE NERFINISHED |
How this triple was built (3 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: San’yō Main Line (JR West) | Statement: [JR West 207 series, usedOnLine, San’yō Main Line (JR West)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San’yō Main Line (JR West) Context triple: [JR West 207 series, usedOnLine, San’yō Main Line (JR West)]
-
A.
Keikyū Main Line
The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
-
B.
JR Sekihoku Main Line
The JR Sekihoku Main Line is a railway line in Hokkaido, Japan, operated by JR Hokkaido that connects Asahikawa and Abashiri across the island’s interior.
-
C.
Keisei Main Line
The Keisei Main Line is a major private railway line in the Tokyo area operated by Keisei Electric Railway, connecting central Tokyo with Narita and Chiba Prefecture.
-
D.
JR East Tōkaidō Main Line
The JR East Tōkaidō Main Line is a major railway corridor in Japan that runs along the Pacific coast of Honshu, connecting Tokyo with key cities in the Kantō and Tōkai regions.
-
E.
Shinetsu Main Line
The Shinetsu Main Line is a major railway line in Japan operated by JR East that historically connected the Tokyo region with Niigata Prefecture across central Honshu.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San’yō Main Line (JR West) Target entity description: The San’yō Main Line (JR West) is a major railway corridor in western Japan operated by JR West, connecting the Kansai and Chūgoku regions along the Seto Inland Sea coast.
-
A.
Keikyū Main Line
The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
-
B.
JR Sekihoku Main Line
The JR Sekihoku Main Line is a railway line in Hokkaido, Japan, operated by JR Hokkaido that connects Asahikawa and Abashiri across the island’s interior.
-
C.
Keisei Main Line
The Keisei Main Line is a major private railway line in the Tokyo area operated by Keisei Electric Railway, connecting central Tokyo with Narita and Chiba Prefecture.
-
D.
JR East Tōkaidō Main Line
The JR East Tōkaidō Main Line is a major railway corridor in Japan that runs along the Pacific coast of Honshu, connecting Tokyo with key cities in the Kantō and Tōkai regions.
-
E.
Shinetsu Main Line
The Shinetsu Main Line is a major railway line in Japan operated by JR East that historically connected the Tokyo region with Niigata Prefecture across central Honshu.
- F. None of above. chosen
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_69d6ab65923081909acfc61b7a612233 |
completed | April 8, 2026, 7:24 p.m. |
| NER | Named-entity recognition | batch_69d91c951f5881908db6edfda1153d6f |
completed | April 10, 2026, 3:51 p.m. |
Created at: April 8, 2026, 9:51 p.m.