Triple
T23162006
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | E217 series |
E578610
|
entity |
| Predicate | primaryDepotDuringService |
P32897
|
FINISHED |
| Object | Kamakura Rolling Stock Center |
—
|
NE NERFINISHED |
How this triple was built (4 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: Kamakura Rolling Stock Center | Statement: [E217 series, primaryDepotDuringService, Kamakura Rolling Stock Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kamakura Rolling Stock Center Context triple: [E217 series, primaryDepotDuringService, Kamakura Rolling Stock Center]
-
A.
Akita Shinkansen Depot
Akita Shinkansen Depot is a railway maintenance and storage facility serving the Akita Shinkansen high-speed train line in Japan.
-
B.
JR East Niitsu Rolling Stock Plant
JR East Niitsu Rolling Stock Plant is a major railway rolling stock manufacturing and maintenance facility operated by East Japan Railway Company in Niigata Prefecture, Japan.
-
C.
Nakano Depot
Nakano Depot is a major Tokyo Metro facility used for the storage, inspection, and maintenance of Marunouchi Line trains.
-
D.
Hikone Depot
Hikone Depot is a railway maintenance and storage facility serving trains on the Ohmi Railway network in Hikone, Shiga Prefecture, Japan.
-
E.
Tsurumi-ryokuchi Depot
Tsurumi-ryokuchi Depot is a maintenance and storage facility for trains serving Osaka’s Nagahori Tsurumi-ryokuchi Line.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kamakura Rolling Stock Center Target entity description: Kamakura Rolling Stock Center is a major JR East railway maintenance and stabling facility in Kamakura, Kanagawa Prefecture, serving trains operating on nearby commuter lines.
-
A.
Akita Shinkansen Depot
Akita Shinkansen Depot is a railway maintenance and storage facility serving the Akita Shinkansen high-speed train line in Japan.
-
B.
JR East Niitsu Rolling Stock Plant
JR East Niitsu Rolling Stock Plant is a major railway rolling stock manufacturing and maintenance facility operated by East Japan Railway Company in Niigata Prefecture, Japan.
-
C.
Nakano Depot
Nakano Depot is a major Tokyo Metro facility used for the storage, inspection, and maintenance of Marunouchi Line trains.
-
D.
Hikone Depot
Hikone Depot is a railway maintenance and storage facility serving trains on the Ohmi Railway network in Hikone, Shiga Prefecture, Japan.
-
E.
Tsurumi-ryokuchi Depot
Tsurumi-ryokuchi Depot is a maintenance and storage facility for trains serving Osaka’s Nagahori Tsurumi-ryokuchi Line.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: primaryDepotDuringService Context triple: [E217 series, primaryDepotDuringService, Kamakura Rolling Stock Center]
-
A.
primaryBaseDuringService
chosen
Indicates that a particular base or location serves as the main or designated primary base for an entity during a specified period of service.
-
B.
depotFor
Indicates that one entity serves as a storage or distribution center location dedicated to supporting or supplying another entity.
-
C.
depot
Indicates that an entity serves as a storage or distribution center location for another entity, such as goods, vehicles, or resources.
-
D.
primaryHubFor
Indicates that one entity serves as the main central hub or core point of coordination for another entity or set of entities.
-
E.
primaryDeployment
Indicates that one deployment is designated as the main or most important deployment among multiple possible deployments for an entity.
- 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_69e245fc75348190a0288401044c8af8 |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18f019cd881908e3c68d99454da2a |
completed | April 29, 2026, 4:54 a.m. |
| PD | Predicate disambiguation | batch_69ef89ff76808190808ee4ad9dea776b |
completed | April 27, 2026, 4:08 p.m. |
Created at: April 17, 2026, 4:02 p.m.