Triple
T19900221
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Osaka Namba |
E478264
|
entity |
| Predicate | railwayOperator |
P5620
|
FINISHED |
| Object | Kintetsu Railway |
—
|
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: Kintetsu Railway | Statement: [Osaka Namba, railwayOperator, Kintetsu Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kintetsu Railway Context triple: [Osaka Namba, railwayOperator, Kintetsu Railway]
-
A.
Kintetsu Railway
chosen
Kintetsu Railway is a major Japanese private railway operator in the Kansai region, known for its extensive interurban network connecting cities such as Osaka, Nara, Kyoto, and Nagoya.
-
B.
Hankyu Railway
Hankyu Railway is a major private railway operator in the Kansai region of Japan, known for its extensive commuter network linking Osaka with Kyoto and Kobe.
-
C.
Kinki Sharyo
Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
-
D.
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.
-
E.
West Japan Railway Company
West Japan Railway Company is one of Japan’s major regional railway operators, managing extensive rail networks across western Honshu including the Kansai area.
- 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_69d8e520682081909892916424699bd5 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e65940cf8c8190b74e51635410e48a |
completed | April 20, 2026, 4:50 p.m. |
Created at: April 10, 2026, 1:52 p.m.