Triple
T17144726
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Takamatsu-Kotohira Electric Railroad |
E416060
|
entity |
| Predicate | headquartersLocation |
P62
|
FINISHED |
| Object | Takamatsu, Kagawa Prefecture, Japan |
E92619
|
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: Takamatsu, Kagawa Prefecture, Japan | Statement: [Takamatsu-Kotohira Electric Railroad, headquartersLocation, Takamatsu, Kagawa Prefecture, Japan]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Takamatsu, Kagawa Prefecture, Japan Context triple: [Takamatsu-Kotohira Electric Railroad, headquartersLocation, Takamatsu, Kagawa Prefecture, Japan]
-
A.
Takamatsu, Kagawa Prefecture, Japan
chosen
Takamatsu, in Kagawa Prefecture on Japan’s Shikoku island, is a regional administrative and economic center known for its port, historic Ritsurin Garden, and role as a transportation hub.
-
B.
Matsuyama, Ehime, Japan
Matsuyama is the capital and largest city of Ehime Prefecture on Japan’s Shikoku Island, known for its historic Matsuyama Castle and the ancient Dōgo Onsen hot spring.
-
C.
Kurashiki, Okayama Prefecture, Japan
Kurashiki is a historic city in Okayama Prefecture, Japan, known for its well-preserved Edo-period merchant quarter and picturesque canal district.
-
D.
Tamba, Hyōgo, Japan
Tamba is a rural city in Hyōgo Prefecture, Japan, known for its historic castle town districts, traditional ceramics, and agricultural products such as black soybeans and chestnuts.
-
E.
Okayama, Japan
Okayama, Japan is a city in western Honshu known for its historic Okayama Castle, the celebrated Kōraku-en garden, and its role as a regional cultural and transportation hub.
- 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_6a01415718c88190834fedae7b01ac69 |
completed | May 11, 2026, 2:39 a.m. |
Created at: April 10, 2026, 5:36 a.m.