Triple
T15548398
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagano metropolitan area |
E370672
|
entity |
| Predicate | railHubFor |
P523
|
FINISHED |
| Object |
Shinano Railway
Shinano Railway is a regional Japanese railway company operating local passenger train services primarily within Nagano Prefecture.
|
E1291569
|
NE FINISHED |
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: Shinano Railway | Statement: [Nagano metropolitan area, railHubFor, Shinano Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shinano Railway Context triple: [Nagano metropolitan area, railHubFor, Shinano Railway]
-
A.
Ise Railway
Ise Railway is a Japanese railway company operating local train services in Mie Prefecture, particularly serving the Suzuka area.
-
B.
Ohmi Railway
Ohmi Railway is a Japanese private railway company that operates local train services and related transportation in Shiga Prefecture.
-
C.
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.
-
D.
Nishi-Nippon Railroad
Nishi-Nippon Railroad is a major Japanese private railway and transportation company based in Fukuoka, operating rail lines, buses, and related services in the Kyushu region.
-
E.
Matsuura Railway
Matsuura Railway is a Japanese regional railway company that operates local train services in Nagasaki and Saga Prefectures.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Shinano Railway Triple: [Nagano metropolitan area, railHubFor, Shinano Railway]
Generated description
Shinano Railway is a regional Japanese railway company operating local passenger train services primarily within Nagano Prefecture.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Shinano Railway Target entity description: Shinano Railway is a regional Japanese railway company operating local passenger train services primarily within Nagano Prefecture.
-
A.
Ise Railway
Ise Railway is a Japanese railway company operating local train services in Mie Prefecture, particularly serving the Suzuka area.
-
B.
Ohmi Railway
Ohmi Railway is a Japanese private railway company that operates local train services and related transportation in Shiga Prefecture.
-
C.
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.
-
D.
Nishi-Nippon Railroad
Nishi-Nippon Railroad is a major Japanese private railway and transportation company based in Fukuoka, operating rail lines, buses, and related services in the Kyushu region.
-
E.
Matsuura Railway
Matsuura Railway is a Japanese regional railway company that operates local train services in Nagasaki and Saga Prefectures.
- F. None of above. chosen
Provenance (5 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_69d85cc6cf40819091f4a5facee1ebe6 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04a93121881909d88ca55a39252ac |
completed | April 16, 2026, 2:33 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a030c468b508190a1d683ff354c235c |
completed | May 12, 2026, 11:17 a.m. |
| NEDg | Description generation | batch_6a030ce6e0248190854acf6ad772cb08 |
completed | May 12, 2026, 11:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a030d4d117c8190a115b86df7990087 |
completed | May 12, 2026, 11:21 a.m. |
Created at: April 10, 2026, 4:08 a.m.