Triple
T3550910
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagahori Tsurumi-ryokuchi Line |
E75108
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Osaka Metro |
E13707
|
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 | Statement: [Nagahori Tsurumi-ryokuchi Line, operator, Osaka Metro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Osaka Metro Context triple: [Nagahori Tsurumi-ryokuchi Line, operator, Osaka Metro]
-
A.
Osaka Metro
chosen
Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
-
B.
Osaka Metro Imazatosuji Line
The Osaka Metro Imazatosuji Line is a rapid transit line in Osaka, Japan, running north–south through the city and connecting residential districts with major interchange hubs on the Osaka Metro network.
-
C.
Osaka Metro Chuo Line
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.
-
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 Metro Sakaisuji Line
The Osaka Metro Sakaisuji Line is a rapid transit line in Osaka, Japan, running north–south through the city and connecting key commercial and residential districts.
- 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_69ad85d33c6c819081d5ac1df13b5680 |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adbfd52f44819088e07139fe987e2a |
completed | March 8, 2026, 6:28 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be5c5e461c8190b4c7f728e2d8632c |
completed | March 21, 2026, 8:52 a.m. |
Created at: March 8, 2026, 3:20 p.m.