Triple
T2480088
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Japanese National Railways |
E55792
|
entity |
| Predicate | hadSubsidiary |
P9212
|
FINISHED |
| Object |
JNR Bus operations
JNR Bus operations was the bus division of Japan’s former state-owned railway company, providing complementary and regional bus services alongside its rail network.
|
E55792
|
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: JNR Bus operations | Statement: [Japanese National Railways, hadSubsidiary, JNR Bus operations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JNR Bus operations Context triple: [Japanese National Railways, hadSubsidiary, JNR Bus operations]
-
A.
Urban Network (JR West)
Urban Network (JR West) is the branding for JR West’s dense commuter and regional rail system serving the greater Kansai metropolitan area and surrounding regions in western Japan.
-
B.
Japanese National Railways
Japanese National Railways was Japan’s former state-owned railway company that operated the country’s nationwide rail network until its privatization and breakup in 1987.
-
C.
Kinki Sharyo
Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
-
D.
Central Japan Railway Company
Central Japan Railway Company is a major Japanese railway operator best known for running the Tokaido Shinkansen high-speed rail line connecting Tokyo, Nagoya, and Osaka.
-
E.
JR West Hanwa Line
The JR West Hanwa Line is a major railway line in Japan’s Kansai region operated by West Japan Railway Company, connecting central Osaka with southern Osaka Prefecture and Wakayama.
- 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: JNR Bus operations Triple: [Japanese National Railways, hadSubsidiary, JNR Bus operations]
Generated description
JNR Bus operations was the bus division of Japan’s former state-owned railway company, providing complementary and regional bus services alongside its rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: JNR Bus operations Target entity description: JNR Bus operations was the bus division of Japan’s former state-owned railway company, providing complementary and regional bus services alongside its rail network.
-
A.
JR-West Japan Bus companies
JR-West Japan Bus companies are regional bus operators in western Japan that provide local and intercity bus services as part of the West Japan Railway Company’s broader transportation network.
-
B.
Urban Network (JR West)
Urban Network (JR West) is the branding for JR West’s dense commuter and regional rail system serving the greater Kansai metropolitan area and surrounding regions in western Japan.
-
C.
Japanese National Railways
chosen
Japanese National Railways was Japan’s former state-owned railway company that operated the country’s nationwide rail network until its privatization and breakup in 1987.
-
D.
Kinki Sharyo
Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
-
E.
Central Japan Railway Company
Central Japan Railway Company is a major Japanese railway operator best known for running the Tokaido Shinkansen high-speed rail line connecting Tokyo, Nagoya, and Osaka.
- F. None of above.
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_69ab49e670a88190b928e08302381710 |
completed | March 6, 2026, 9:40 p.m. |
| NER | Named-entity recognition | batch_69abd160a9708190b28d2f5538ea129a |
completed | March 7, 2026, 7:18 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af17b146d881909672e9cd4a501a11 |
completed | March 9, 2026, 6:55 p.m. |
| NEDg | Description generation | batch_69af19fa53708190835e51d4bf965c62 |
completed | March 9, 2026, 7:05 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69af1a60ce6c81908cc88fc7c94a3ea9 |
completed | March 9, 2026, 7:07 p.m. |
Created at: March 6, 2026, 9:45 p.m.