Triple
T20160369
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yukuhashi, Fukuoka |
E491686
|
entity |
| Predicate | hasPrivateRailway |
P138892
|
FINISHED |
| Object | Heisei Chikuho Railway |
—
|
NE NERFINISHED |
How this triple was built (4 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: Heisei Chikuho Railway | Statement: [Yukuhashi, Fukuoka, hasPrivateRailway, Heisei Chikuho Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heisei Chikuho Railway Context triple: [Yukuhashi, Fukuoka, hasPrivateRailway, Heisei Chikuho Railway]
-
A.
Matsuura Railway
Matsuura Railway is a Japanese regional railway company that operates local train services in Nagasaki and Saga Prefectures.
-
B.
Shinano Railway
Shinano Railway is a regional Japanese railway company operating local passenger train services primarily within Nagano Prefecture.
-
C.
Ohmi Railway
Ohmi Railway is a Japanese private railway company that operates local train services and related transportation in Shiga Prefecture.
-
D.
Ise Railway
Ise Railway is a Japanese railway company operating local train services in Mie Prefecture, particularly serving the Suzuka area.
-
E.
Keifuku Electric Railroad
Keifuku Electric Railroad is a Japanese private railway company in Kyoto best known for operating the Randen tram lines that serve popular sightseeing areas such as Arashiyama.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Heisei Chikuho Railway Target entity description: Heisei Chikuho Railway is a Japanese private railway company operating local passenger rail services in Fukuoka Prefecture.
-
A.
Matsuura Railway
Matsuura Railway is a Japanese regional railway company that operates local train services in Nagasaki and Saga Prefectures.
-
B.
Shinano Railway
Shinano Railway is a regional Japanese railway company operating local passenger train services primarily within Nagano Prefecture.
-
C.
Ohmi Railway
Ohmi Railway is a Japanese private railway company that operates local train services and related transportation in Shiga Prefecture.
-
D.
Ise Railway
Ise Railway is a Japanese railway company operating local train services in Mie Prefecture, particularly serving the Suzuka area.
-
E.
Keifuku Electric Railroad
Keifuku Electric Railroad is a Japanese private railway company in Kyoto best known for operating the Randen tram lines that serve popular sightseeing areas such as Arashiyama.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasPrivateRailway Context triple: [Yukuhashi, Fukuoka, hasPrivateRailway, Heisei Chikuho Railway]
-
A.
hasRail
Indicates that something is equipped with, includes, or is connected to a rail or rail system.
-
B.
hasRailSystem
Indicates that an entity possesses or is served by a rail-based transportation system.
-
C.
hasRailRoute
Indicates that there exists a rail-based transportation route or connection between the related entities.
-
D.
hasRackRailway
Indicates that one entity possesses or includes a rack railway system connecting locations or operating within its area.
-
E.
usesRailInfrastructureOf
Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
- F. None of above. chosen
Provenance (4 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_69da6266c6888190bc1a3ecf24814d34 |
completed | April 11, 2026, 3:01 p.m. |
| NER | Named-entity recognition | batch_69e667e37c8c8190827839291027d9e2 |
completed | April 20, 2026, 5:52 p.m. |
| PD | Predicate disambiguation | batch_69e55b0c11cc8190836d1eee5945f000 |
completed | April 19, 2026, 10:45 p.m. |
| PDg | Predicate description generation | batch_69e56700b1a08190ace53cf95827d72d |
completed | April 19, 2026, 11:36 p.m. |
Created at: April 11, 2026, 11:34 p.m.