Triple
T7369429
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keihan Main Line |
E169955
|
entity |
| Predicate | usesRollingStockFrom |
P5426
|
FINISHED |
| Object | Keihan Electric Railway fleet |
E278574
|
NE FINISHED |
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: Keihan Electric Railway fleet | Statement: [Keihan Main Line, usesRollingStockFrom, Keihan Electric Railway fleet]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keihan Electric Railway fleet Context triple: [Keihan Main Line, usesRollingStockFrom, Keihan Electric Railway fleet]
-
A.
Keihan Electric Railway Co., Ltd.
chosen
Keihan Electric Railway Co., Ltd. is a major Japanese private railway operator serving the Osaka–Kyoto region, known for its extensive commuter rail network and related transportation and leisure businesses.
-
B.
Kinkisharyo light rail vehicles
Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
-
C.
Sanyo Electric Railway
Sanyo Electric Railway is a Japanese private railway company operating commuter rail services primarily in Hyōgo Prefecture, including routes that interconnect with other major regional rail networks.
-
D.
Keio 1000 series EMU
The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
-
E.
Osaka Metro 70 series
The Osaka Metro 70 series is a type of electric multiple unit train used on Osaka’s Nagahori Tsurumi-ryokuchi Line, known for its linear motor propulsion and modern urban transit design.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69c68a5ade988190885b7175f63b7534 |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f1810668819094aec4b237d08068 |
completed | March 27, 2026, 9:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c802c3a4788190850294b054b9c928 |
completed | March 28, 2026, 4:33 p.m. |
Created at: March 27, 2026, 3:07 p.m.