Triple
T12977854
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keiyō Line |
E321575
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Kaihin-Makuhari Station |
—
|
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: Kaihin-Makuhari Station | Statement: [Keiyō Line, hasStation, Kaihin-Makuhari Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kaihin-Makuhari Station Context triple: [Keiyō Line, hasStation, Kaihin-Makuhari Station]
-
A.
Ibaraki Station
Ibaraki Station is a railway station in Ibaraki, Osaka Prefecture, Japan, serving as a local transit hub on major regional rail lines.
-
B.
Saitama-Shintoshin Station
Saitama-Shintoshin Station is a key railway hub in Saitama, Japan, serving multiple JR lines and providing access to nearby commercial, business, and event facilities.
-
C.
Minami-Urawa Station
Minami-Urawa Station is a railway station in Saitama, Japan, operated by JR East and serving as a local commuter hub in the Greater Tokyo area.
-
D.
Kita-Urawa Station
Kita-Urawa Station is a railway station in Saitama, Japan, operated by JR East on a major commuter route connecting the Saitama area with central Tokyo.
-
E.
Omiya Station
Omiya Station is a major railway hub in Saitama, Japan, serving numerous JR East lines and Shinkansen routes and functioning as a key gateway between Tokyo and northern Japan.
- 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: Kaihin-Makuhari Station Target entity description: Kaihin-Makuhari Station is a major railway station in Chiba, Japan, serving the Makuhari Messe convention center and nearby commercial and business districts.
-
A.
Ibaraki Station
Ibaraki Station is a railway station in Ibaraki, Osaka Prefecture, Japan, serving as a local transit hub on major regional rail lines.
-
B.
Saitama-Shintoshin Station
Saitama-Shintoshin Station is a key railway hub in Saitama, Japan, serving multiple JR lines and providing access to nearby commercial, business, and event facilities.
-
C.
Minami-Urawa Station
Minami-Urawa Station is a railway station in Saitama, Japan, operated by JR East and serving as a local commuter hub in the Greater Tokyo area.
-
D.
Kita-Urawa Station
Kita-Urawa Station is a railway station in Saitama, Japan, operated by JR East on a major commuter route connecting the Saitama area with central Tokyo.
-
E.
Omiya Station
Omiya Station is a major railway hub in Saitama, Japan, serving numerous JR East lines and Shinkansen routes and functioning as a key gateway between Tokyo and northern Japan.
- 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_69d80763bd6c819094437da5b20b01d2 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69d97e59a4c88190907d05b8d57dae89 |
completed | April 10, 2026, 10:48 p.m. |
Created at: April 9, 2026, 8:38 p.m.