Triple
T12648376
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Japanese Government Railways |
E302090
|
entity |
| Predicate | predecessor |
P97
|
FINISHED |
| Object | Imperial Japanese Government Railways |
E302090
|
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: Imperial Japanese Government Railways | Statement: [Japanese Government Railways, predecessor, Imperial Japanese Government Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Imperial Japanese Government Railways Context triple: [Japanese Government Railways, predecessor, Imperial Japanese Government Railways]
-
A.
Japanese Government Railways
chosen
Japanese Government Railways was the state-operated railway system of Japan that managed and expanded the country’s rail network before its postwar reorganization into Japanese National Railways.
-
B.
Railway Bureau of Japan
The Railway Bureau of Japan is a governmental body responsible for planning, regulating, and overseeing the nation’s railway systems and policies.
-
C.
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.
-
D.
Nankai Electric Railway
Nankai Electric Railway is a major private railway company in Japan’s Kansai region, operating key commuter and interurban lines connecting Osaka with Wakayama and Kansai International Airport.
-
E.
West Japan Railway Company
West Japan Railway Company is one of Japan’s major regional railway operators, managing extensive rail networks across western Honshu including the Kansai 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_69d7bdec9f9c8190b4bac675b7588211 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d9615cf6f48190bd0983cf7465ab15 |
completed | April 10, 2026, 8:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6719a45d881908dd895836a225781 |
completed | May 2, 2026, 9:50 p.m. |
Created at: April 9, 2026, 5:17 p.m.