Triple
T17144742
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Takamatsu-Kotohira Electric Railroad |
E416060
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | Sanuki Plain |
E482385
|
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: Sanuki Plain | Statement: [Takamatsu-Kotohira Electric Railroad, regionServed, Sanuki Plain]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sanuki Plain Context triple: [Takamatsu-Kotohira Electric Railroad, regionServed, Sanuki Plain]
-
A.
Sanuki Plain
chosen
The Sanuki Plain is a fertile lowland region in Kagawa Prefecture on Japan’s Shikoku Island, known for its agriculture and historic settlements.
-
B.
Yamato Plain
The Yamato Plain is a fertile lowland area in Nara Prefecture, Japan, historically significant as one of the earliest political and cultural centers of the Japanese state.
-
C.
Shonai Plain
Shonai Plain is a fertile coastal lowland region in northwestern Honshu, Japan, known for its extensive rice cultivation and location along the Sea of Japan.
-
D.
Kujūkuri Plain
Kujūkuri Plain is a coastal lowland region in Chiba Prefecture, Japan, known for its long, straight shoreline and extensive sandy beaches along the Pacific Ocean.
-
E.
Osaka Plain
The Osaka Plain is a large, fertile lowland area in the Kansai region of Japan that forms the core of the Osaka metropolitan area and supports dense urban development and agriculture.
- 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_69d886d15af4819092f92f8a129763e6 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3f2d8ca8c81909bba0cd6d60a4776 |
completed | April 18, 2026, 9:08 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a018c36b32c8190a365b7b80207978c |
completed | May 11, 2026, 7:58 a.m. |
Created at: April 10, 2026, 5:36 a.m.