Triple
T14284853
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 港区 |
E354141
|
entity |
| Predicate | hasRailwayOperator |
P20222
|
FINISHED |
| Object | JR東日本 |
E149875
|
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: JR東日本 | Statement: [港区, hasRailwayOperator, JR東日本]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR東日本 Context triple: [港区, hasRailwayOperator, JR東日本]
-
A.
East Japan Railway Company
chosen
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.
-
B.
四国旅客鉄道
四国旅客鉄道（JR四国）は、日本の四国地方で在来線や特急列車などを運行するJRグループの旅客鉄道会社です。
-
C.
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.
-
D.
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.
-
E.
日本国有鉄道清算事業団
日本国有鉄道清算事業団は、日本国有鉄道（国鉄）の分割・民営化に伴い、その債務処理や資産整理を行うために設立された清算機関です。
- 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_69d8278d25148190abf1a8c8f5f533ad |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de697ef40c8190bea37724b28c2e99 |
completed | April 14, 2026, 4:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd3d1a6d8081908e857143c0c809c0 |
completed | May 8, 2026, 1:32 a.m. |
Created at: April 10, 2026, 1:10 a.m.