Triple
T17211185
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kōshinetsu region |
E417732
|
entity |
| Predicate | hasTransportCorridor |
P3034
|
FINISHED |
| Object | Chūō Main Line (via Yamanashi and Nagano) |
E338417
|
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: Chūō Main Line (via Yamanashi and Nagano) | Statement: [Kōshinetsu region, hasTransportCorridor, Chūō Main Line (via Yamanashi and Nagano)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chūō Main Line (via Yamanashi and Nagano) Context triple: [Kōshinetsu region, hasTransportCorridor, Chūō Main Line (via Yamanashi and Nagano)]
-
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.
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.
-
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.
Chūō Main Line
chosen
The Chūō Main Line is a major Japanese railway line operated by JR that runs through central Tokyo and connects the capital with inland regions such as Nagano via key urban hubs.
-
E.
Hokuriku Main Line
The Hokuriku Main Line is a major railway corridor in Japan’s Hokuriku region, connecting cities along the Sea of Japan coast and serving as an important route for both local and limited express services.
- 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_69d886d779488190b131369541c04e7d |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e42dc5a51481908d5ea0f9a1e9aa8b |
completed | April 19, 2026, 1:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01674df2cc8190be602b15d49d38d0 |
completed | May 11, 2026, 5:21 a.m. |
Created at: April 10, 2026, 5:38 a.m.