Triple
T978127
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Osakako Station |
E21103
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object | Osaka Metro Chūō Line |
E128298
|
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: Osaka Metro Chūō Line | Statement: [Osakako Station, servedByLine, Osaka Metro Chūō Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Osaka Metro Chūō Line Context triple: [Osakako Station, servedByLine, Osaka Metro Chūō Line]
-
A.
Osaka Metro Chuo Line
chosen
The Osaka Metro Chuo Line is a major rapid transit line in Osaka, Japan, running east–west through the city and serving key commercial, business, and waterfront areas.
-
B.
Osaka Metro Midosuji Line
The Osaka Metro Midosuji Line is a major north–south subway line in Osaka, Japan, forming the city’s primary transit backbone and connecting key commercial and transport hubs.
-
C.
Osaka Metro Sennichimae Line
The Osaka Metro Sennichimae Line is a rapid transit line in Osaka, Japan, running east–west through central parts of the city and connecting major commercial and residential districts.
-
D.
Osaka Metro Tanimachi Line
The Osaka Metro Tanimachi Line is a major north–south subway line in Osaka, Japan, connecting key commercial and residential districts across the city.
-
E.
Osaka Loop Line
The Osaka Loop Line is a circular railway line in Osaka, Japan, operated by JR West, that connects major urban and suburban districts around the city center.
- 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_69a493c2b62c8190b616351789ec47f8 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b47861808190be56a7bbd926e658 |
completed | March 1, 2026, 9:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac5992e4a88190b10b98efd24c3616 |
completed | March 7, 2026, 5 p.m. |
Created at: March 1, 2026, 7:40 p.m.