Triple
T10702391
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | NEXCO Central Japan |
E252307
|
entity |
| Predicate | parentOrganization |
P254
|
FINISHED |
| Object |
Nippon Expressway Company Group
Nippon Expressway Company Group is a Japanese government-related corporate group responsible for operating, maintaining, and managing major expressways and toll roads across Japan through regional subsidiaries.
|
E880270
|
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: Nippon Expressway Company Group | Statement: [NEXCO Central Japan, parentOrganization, Nippon Expressway Company Group]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nippon Expressway Company Group Context triple: [NEXCO Central Japan, parentOrganization, Nippon Expressway Company Group]
-
A.
East Nippon Expressway Company
East Nippon Expressway Company is a major Japanese expressway operator responsible for managing and maintaining toll roads and related infrastructure in eastern Japan.
-
B.
Hanshin Expressway Company Limited
Hanshin Expressway Company Limited is a Japanese company responsible for managing and operating the Hanshin Expressway network serving the Osaka–Kobe metropolitan area.
-
C.
NEXCO West Japan
NEXCO West Japan is a major Japanese expressway company responsible for managing and operating toll roads and related infrastructure in the western regions of Japan.
-
D.
Honshu-Shikoku Bridge Expressway Company
Honshu-Shikoku Bridge Expressway Company is a Japanese expressway operator responsible for managing major bridge and highway links between the islands of Honshu and Shikoku.
-
E.
NEXCO Central Japan
NEXCO Central Japan is a major Japanese expressway company responsible for operating and maintaining toll roads and related infrastructure in the central region of Japan.
- 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: Nippon Expressway Company Group Triple: [NEXCO Central Japan, parentOrganization, Nippon Expressway Company Group]
Generated description
Nippon Expressway Company Group is a Japanese government-related corporate group responsible for operating, maintaining, and managing major expressways and toll roads across Japan through regional subsidiaries.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nippon Expressway Company Group Target entity description: Nippon Expressway Company Group is a Japanese government-related corporate group responsible for operating, maintaining, and managing major expressways and toll roads across Japan through regional subsidiaries.
-
A.
East Nippon Expressway Company
East Nippon Expressway Company is a major Japanese expressway operator responsible for managing and maintaining toll roads and related infrastructure in eastern Japan.
-
B.
Hanshin Expressway Company Limited
Hanshin Expressway Company Limited is a Japanese company responsible for managing and operating the Hanshin Expressway network serving the Osaka–Kobe metropolitan area.
-
C.
NEXCO West Japan
NEXCO West Japan is a major Japanese expressway company responsible for managing and operating toll roads and related infrastructure in the western regions of Japan.
-
D.
Honshu-Shikoku Bridge Expressway Company
Honshu-Shikoku Bridge Expressway Company is a Japanese expressway operator responsible for managing major bridge and highway links between the islands of Honshu and Shikoku.
-
E.
NEXCO Central Japan
NEXCO Central Japan is a major Japanese expressway company responsible for operating and maintaining toll roads and related infrastructure in the central region of Japan.
- 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_69d6aa5cbabc8190973e683950d89faf |
completed | April 8, 2026, 7:19 p.m. |
| NER | Named-entity recognition | batch_69d6fddd28d481908abc5c1d4e5a9f3e |
completed | April 9, 2026, 1:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d998f5cda081909932daa3c98f8b46 |
completed | April 11, 2026, 12:42 a.m. |
| NEDg | Description generation | batch_69d99e8632688190b3746649a124ca09 |
completed | April 11, 2026, 1:06 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69da625a1e8c8190b282e7a70bb7c876 |
completed | April 11, 2026, 3:01 p.m. |
Created at: April 8, 2026, 9:12 p.m.