Triple
T27513784
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maihama Station area |
E694489
|
entity |
| Predicate | operatorOfMainStation |
P20222
|
FINISHED |
| Object | East Japan Railway Company |
—
|
NE NERFINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: East Japan Railway Company | Statement: [Maihama Station area, operatorOfMainStation, East Japan Railway Company]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: operatorOfMainStation Context triple: [Maihama Station area, operatorOfMainStation, East Japan Railway Company]
-
A.
operatedStation
Indicates that one entity managed, ran, or was responsible for the operation of a particular station.
-
B.
trainOperator
chosen
Indicates that one entity operates, manages, or runs train services for another entity or within a specific rail system.
-
C.
associatedWithOperatorOfStationIdentified
Indicates a relationship where something is linked to the operator of a specific station that has been identified.
-
D.
operatorOfNearbyStation
Indicates that an entity operates or manages a station located in close geographic proximity to another referenced entity.
-
E.
otherMainStations
Indicates that an entity is associated with additional primary stations beyond its main or primary station.
- F. None of above.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69ef53842afc8190ba6bd4e4999bda67 |
elicitation | completed |
| NER | batch_69fde49a084081909d99b1e0258169d5 |
ner | completed |
| PD | batch_69fde1d04bd881909a46ecbbf18dfe59 |
pd | completed |
Created at: April 27, 2026, 1:17 p.m.