Triple
T11597018
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Katamachi/Gakkentoshi corridor via Gakkentoshi Line |
E275030
|
entity |
| Predicate | usesLine |
P1293
|
FINISHED |
| Object | Katamachi 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: Katamachi Line | Statement: [Katamachi/Gakkentoshi corridor via Gakkentoshi Line, usesLine, Katamachi Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Katamachi Line Context triple: [Katamachi/Gakkentoshi corridor via Gakkentoshi Line, usesLine, Katamachi Line]
-
A.
Nambu Line
The Nambu Line is a railway line in the Tokyo metropolitan area of Japan operated by JR East, connecting Kawasaki in Kanagawa Prefecture with Tachikawa in western Tokyo and serving as a key commuter route.
-
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.
Takashinohama Line
The Takashinohama Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passenger traffic.
-
D.
Sōbu Line
The Sōbu Line is a major Japan Railways (JR) commuter and intercity railway line in the Tokyo–Chiba area, connecting central Tokyo with eastern suburbs and cities in Chiba Prefecture.
-
E.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
- 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: Katamachi Line Target entity description: The Katamachi Line, also known as the Gakkentoshi Line, is a major commuter rail line in the Osaka–Kyoto region of Japan operated by JR West, connecting urban centers with suburban and residential areas.
-
A.
Nambu Line
The Nambu Line is a railway line in the Tokyo metropolitan area of Japan operated by JR East, connecting Kawasaki in Kanagawa Prefecture with Tachikawa in western Tokyo and serving as a key commuter route.
-
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.
Takashinohama Line
The Takashinohama Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passenger traffic.
-
D.
Sōbu Line
The Sōbu Line is a major Japan Railways (JR) commuter and intercity railway line in the Tokyo–Chiba area, connecting central Tokyo with eastern suburbs and cities in Chiba Prefecture.
-
E.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
- 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_69d6aae6b14c81908dc5a74bad7591f9 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d89549c870819086e16e9110bbad87 |
completed | April 10, 2026, 6:14 a.m. |
Created at: April 8, 2026, 9:38 p.m.