Triple
T6402764
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Takasaki Station |
E144101
|
entity |
| Predicate | railwayLineServed |
P848
|
FINISHED |
| Object | Hachiko Line |
E692119
|
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: Hachiko Line | Statement: [Takasaki Station, railwayLineServed, Hachiko Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hachiko Line Context triple: [Takasaki Station, railwayLineServed, Hachiko Line]
-
A.
JR Hachikō Line
chosen
The JR Hachikō Line is a regional railway line in the Kanto area of Japan operated by JR East, connecting inland cities through Saitama and Tokyo prefectures.
-
B.
Fujikyuko Line
The Fujikyuko Line is a Japanese railway line in Yamanashi Prefecture that connects the Chūō Main Line to the Mount Fuji and Fuji Five Lakes area, serving as a key route for tourists and local commuters.
-
C.
Oimachi Line
The Oimachi Line is a commuter railway line in Tokyo, Japan, forming part of the Tokyu network and connecting central Tokyo with its southwestern suburbs.
-
D.
Toden Arakawa Line
The Toden Arakawa Line is one of Tokyo’s last remaining streetcar lines, running through northern and eastern parts of the city and serving as a nostalgic, tram-style alternative to subways and buses.
-
E.
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.
- 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_69c008dc56fc81908d43ffcc11d73bdd |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c068af3f448190a94ecd5109e9e8e4 |
completed | March 22, 2026, 10:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d61b0c9dec8190af5a38413d4861c2 |
completed | April 8, 2026, 9:08 a.m. |
Created at: March 22, 2026, 4:35 p.m.