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 |
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: East Japan Railway Company | Statement: [Maihama Station area, operatorOfMainStation, East Japan Railway Company]
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)
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_69ef53842afc8190ba6bd4e4999bda67 |
completed | April 27, 2026, 12:16 p.m. |
| NER | Named-entity recognition | batch_69fde49a084081909d99b1e0258169d5 |
completed | May 8, 2026, 1:26 p.m. |
| PD | Predicate disambiguation | batch_69fde1d04bd881909a46ecbbf18dfe59 |
completed | May 8, 2026, 1:14 p.m. |
Created at: April 27, 2026, 1:17 p.m.