Triple
T5686161
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rokkomichi Station |
E125317
|
entity |
| Predicate | wasNationalizedInto |
P6034
|
FINISHED |
| Object | Japanese Government Railways |
E302090
|
NE FINISHED |
How this triple was built (3 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: Japanese Government Railways | Statement: [Rokkomichi Station, wasNationalizedInto, Japanese Government Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Japanese Government Railways Context triple: [Rokkomichi Station, wasNationalizedInto, 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.
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.
Japan Railways Group
Japan Railways Group is a major network of regional railway companies in Japan that emerged from the privatization of the former Japanese National Railways and operates much of the country’s passenger rail services, including high-speed Shinkansen lines.
-
D.
East Japan Railway Company
East Japan Railway Company is a major Japanese railway operator that runs an extensive network of commuter and high-speed train services across eastern Honshu, including the Tokyo metropolitan area.
-
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.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: wasNationalizedInto Context triple: [Rokkomichi Station, wasNationalizedInto, Japanese Government Railways]
-
A.
nationalisedOn
Indicates the date or point in time when an entity was taken into state ownership or control by a national government.
-
B.
nationalisationYear
Indicates the year in which an entity was taken into state ownership or control through nationalisation.
-
C.
region after nationalisation
Indicates that a region is characterized or defined by its status or condition following a process of nationalisation.
-
D.
nationalised
chosen
Indicates that control or ownership of an entity has been transferred from private or non-state hands to the government or state.
-
E.
typeOfNationalisation
Indicates the specific form or method by which an asset, industry, or entity is brought under national or state ownership or control.
- F. None of above.
Provenance (4 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_69c0082a884c8190a79001bae658941f |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c0248751bc8190b12aaa42d1ef17e3 |
completed | March 22, 2026, 5:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c1352809748190bca3b862c72a70f4 |
completed | March 23, 2026, 12:42 p.m. |
| PD | Predicate disambiguation | batch_69c021be59088190a81c880957f666ab |
completed | March 22, 2026, 5:07 p.m. |
Created at: March 22, 2026, 3:44 p.m.