Triple
T18613723
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shinagawa Station area |
E454964
|
entity |
| Predicate | servedByRailwayCompany |
P782
|
FINISHED |
| Object | JR Central |
—
|
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 Central | Statement: [Shinagawa Station area, servedByRailwayCompany, JR Central]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR Central Context triple: [Shinagawa Station area, servedByRailwayCompany, JR Central]
-
A.
JR Central (Tokaido Shinkansen)
JR Central (Tokaido Shinkansen) is the division of Central Japan Railway Company that operates and manages Japan’s busiest high-speed rail corridor linking Tokyo with Osaka along the Tokaido route.
-
B.
East Japan Railway Company
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.
-
C.
Central Japan Railway Company
chosen
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.
JR Central and JR West
JR Central and JR West are two major regional companies of the Japan Railways Group that operate high-speed Shinkansen and conventional rail services in central and western Japan, respectively.
-
E.
Sotetsu Railway
Sotetsu Railway is a private Japanese railway operator in the Greater Tokyo area, best known for its commuter lines in Kanagawa Prefecture and through-services into central Tokyo via interconnections with other major rail networks.
- 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_69d8d38bbe7c8190bdec3138e7d413c9 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e54d03feb88190bbd8889273d82f7f |
completed | April 19, 2026, 9:45 p.m. |
Created at: April 10, 2026, 11:45 a.m.