Triple
T13562986
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keihan Electric Railway lines in Osaka |
E323956
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object | Katano Line |
—
|
NE NERFINISHED |
How this triple was built (3 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: Katano Line | Statement: [Keihan Electric Railway lines in Osaka, hasLine, Katano Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Katano Line Context triple: [Keihan Electric Railway lines in Osaka, hasLine, Katano Line]
-
A.
Kosei Line
The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture areas.
-
B.
Yamatoji Line
The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
-
C.
Sekisho Line
The Sekisho Line is a railway line in Hokkaido, Japan, providing a key inland route that connects the Sapporo area with eastern Hokkaido.
-
D.
Jōban Line
The Jōban Line is a major railway corridor in Japan operated by JR East, connecting central Tokyo with the northeastern Kanto and Tōhoku regions along the Pacific coast.
-
E.
Senzan Line
The Senzan Line is a regional railway line in Japan that connects Sendai in Miyagi Prefecture with Yamagata in Yamagata Prefecture through the mountainous Ou region.
- 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: Katano Line Target entity description: The Katano Line is a commuter railway line in Osaka Prefecture, Japan, operated by Keihan Electric Railway and serving suburban communities northeast of central Osaka.
-
A.
Kosei Line
The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture areas.
-
B.
Yamatoji Line
The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
-
C.
Sekisho Line
The Sekisho Line is a railway line in Hokkaido, Japan, providing a key inland route that connects the Sapporo area with eastern Hokkaido.
-
D.
Jōban Line
The Jōban Line is a major railway corridor in Japan operated by JR East, connecting central Tokyo with the northeastern Kanto and Tōhoku regions along the Pacific coast.
-
E.
Senzan Line
The Senzan Line is a regional railway line in Japan that connects Sendai in Miyagi Prefecture with Yamagata in Yamagata Prefecture through the mountainous Ou region.
- F. None of above. chosen
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_69d8076830b48190910a902bae5888e2 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbb00bbe848190bb33efe2af528295 |
completed | April 12, 2026, 2:45 p.m. |
Created at: April 9, 2026, 9:47 p.m.