Triple
T4121393
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Takamatsu, Kagawa Prefecture, Japan |
E92619
|
entity |
| Predicate | servedByRailway |
P848
|
FINISHED |
| Object | JR Shikoku |
E272786
|
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: JR Shikoku | Statement: [Takamatsu, Kagawa Prefecture, Japan, servedByRailway, JR Shikoku]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR Shikoku Context triple: [Takamatsu, Kagawa Prefecture, Japan, servedByRailway, JR Shikoku]
-
A.
JR Shikoku
chosen
JR Shikoku is a regional railway company in Japan that operates passenger rail services across the island of Shikoku as part of the Japan Railways Group.
-
B.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
C.
Kyushu Shinkansen
Kyushu Shinkansen is a high-speed railway line in Japan that connects major cities across the island of Kyushu as part of the national Shinkansen network.
-
D.
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.
-
E.
JR Hokkaido
JR Hokkaido is a regional railway company in Japan that operates passenger train services and related businesses across the island of Hokkaido.
- 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_69aed9685f70819086932777aec8d959 |
completed | March 9, 2026, 2:30 p.m. |
| NER | Named-entity recognition | batch_69af020549dc8190a81a5dbbf70288c7 |
completed | March 9, 2026, 5:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b576b13cc881908fea25c686141546 |
completed | March 14, 2026, 2:54 p.m. |
Created at: March 9, 2026, 3:41 p.m.