Triple
T13875461
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kōtō |
E333569
|
entity |
| Predicate | hasTransportation |
P105
|
FINISHED |
| Object | JR Keiyō Line |
—
|
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 Keiyō Line | Statement: [Kōtō, hasTransportation, JR Keiyō Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR Keiyō Line Context triple: [Kōtō, hasTransportation, JR Keiyō Line]
-
A.
JR East Keiyō Line
chosen
The JR East Keiyō Line is a railway line in the Tokyo–Chiba area of Japan that runs along the Tokyo Bay waterfront, linking central Tokyo with destinations such as Maihama (Tokyo Disney Resort) and Chiba.
-
B.
JR San'yō Main Line
The JR San'yō Main Line is a major railway corridor in western Japan operated by JR West, connecting key cities along the Seto Inland Sea coast between Kobe and Shimonoseki.
-
C.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
D.
JR Jōban Line
The JR Jōban Line is a major Japanese railway line operated by JR East that runs from central Tokyo through Chiba and Ibaraki Prefectures toward the Tōhoku region.
-
E.
Kansai Main Line
The Kansai Main Line is a major railway line in Japan’s Kansai region that connects key cities including Osaka and Nagoya, serving both commuter and intercity traffic.
- 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_69d81c5ced9c8190b0e9bcc6effe5959 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de0be556708190bbcf0b3583f677e3 |
completed | April 14, 2026, 9:41 a.m. |
Created at: April 9, 2026, 10:15 p.m.