Triple
T21164770
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shinano Railway Line |
E521529
|
entity |
| Predicate | successorTo |
P78
|
FINISHED |
| Object | JNR Shinetsu Main Line section between Karuizawa and Shinonoi |
—
|
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: JNR Shinetsu Main Line section between Karuizawa and Shinonoi | Statement: [Shinano Railway Line, successorTo, JNR Shinetsu Main Line section between Karuizawa and Shinonoi]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JNR Shinetsu Main Line section between Karuizawa and Shinonoi Context triple: [Shinano Railway Line, successorTo, JNR Shinetsu Main Line section between Karuizawa and Shinonoi]
-
A.
Takayama Main Line (JR Central section)
The Takayama Main Line (JR Central section) is a scenic conventional railway route in central Japan operated by JR Central, known for connecting inland cities through mountainous Gifu and surrounding prefectures.
-
B.
Hidaka Main Line (partially)
The Hidaka Main Line is a railway line in Hokkaido, Japan, known for running along the Pacific coast and serving rural communities, parts of which are operated by JR Hokkaido.
-
C.
Takayama Main Line
The Takayama Main Line is a scenic railway route in central Japan that runs through the mountainous Hida region, connecting Gifu and Toyama Prefectures.
-
D.
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.
-
E.
Shinano Railway Line
chosen
The Shinano Railway Line is a regional rail line in Nagano Prefecture, Japan, operated by Shinano Railway and serving as a key local corridor through the 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_69e0b50e30748190b186824a206d39b9 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7270e15bc81908d609198e573040e |
completed | April 21, 2026, 7:28 a.m. |
Created at: April 16, 2026, 2:59 p.m.