Triple
T21916944
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Itsukaichi Line (through services) |
E541203
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | JR East through-service network in the Tokyo area |
—
|
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: JR East through-service network in the Tokyo area | Statement: [Itsukaichi Line (through services), partOf, JR East through-service network in the Tokyo area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR East through-service network in the Tokyo area Context triple: [Itsukaichi Line (through services), partOf, JR East through-service network in the Tokyo area]
-
A.
JR East urban network
chosen
The JR East urban network is a dense system of commuter and suburban railway lines in the Greater Tokyo and surrounding metropolitan areas operated by East Japan Railway Company (JR East).
-
B.
Japan Railways Group network
The Japan Railways Group network is the nationwide system of passenger and freight rail lines in Japan operated by the JR Group companies, including high-speed Shinkansen and extensive regional services.
-
C.
Tokyu railway network
The Tokyu railway network is a major private rail system in the Greater Tokyo area, operated by Tokyu Corporation and serving key suburban and urban corridors including central hubs like Shibuya.
-
D.
JR Tōzai Line urban network
The JR Tōzai Line urban network is a commuter rail system in the Kansai region of Japan that connects central Osaka with surrounding areas via the JR Tōzai Line.
-
E.
Urban Network (JR West)
Urban Network (JR West) is the branding for JR West’s dense commuter and regional rail system serving the greater Kansai metropolitan area and surrounding regions in western Japan.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c47c4b9c8190a5586a75f5f36453 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f1233858308190a877d8015db4d380 |
completed | April 28, 2026, 9:14 p.m. |
Created at: April 16, 2026, 7:43 p.m.