Triple
T10702559
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ōtsu Service Area |
E252311
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | NEXCO West |
E254958
|
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: NEXCO West | Statement: [Ōtsu Service Area, operator, NEXCO West]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NEXCO West Context triple: [Ōtsu Service Area, operator, NEXCO West]
-
A.
NEXCO West Japan
chosen
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
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.
- 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_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_69deb08d63d481908ab1d5038424dab6 |
completed | April 14, 2026, 9:24 p.m. |
Created at: April 8, 2026, 9:12 p.m.