Triple
T15256732
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Osaka Metro 23 series |
E364664
|
entity |
| Predicate | primaryDepot |
P14646
|
FINISHED |
| Object |
Yotsubashi Line depot
Yotsubashi Line depot is a maintenance and storage facility serving Osaka Metro’s Yotsubashi Line rolling stock.
|
E1149271
|
NE FINISHED |
How this triple was built (4 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: Yotsubashi Line depot | Statement: [Osaka Metro 23 series, primaryDepot, Yotsubashi Line depot]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yotsubashi Line depot Context triple: [Osaka Metro 23 series, primaryDepot, Yotsubashi Line depot]
-
A.
Shinkiba Depot
Shinkiba Depot is a Tokyo Metro rail facility in the Shinkiba area used for the storage, inspection, and maintenance of Yurakuchō Line trains.
-
B.
Morinomiya Depot
Morinomiya Depot is a major Osaka Metro facility used for the storage, inspection, and maintenance of trains serving the Sennichimae Line and other routes.
-
C.
Oshima Depot
Oshima Depot is a maintenance and storage facility for trains operating on Tokyo’s Toei Shinjuku Line.
-
D.
Hineno Depot
Hineno Depot is a West Japan Railway Company (JR West) train maintenance and storage facility in Osaka Prefecture that services limited express and other EMU fleets.
-
E.
Nakano Depot
Nakano Depot is a major Tokyo Metro facility used for the storage, inspection, and maintenance of Marunouchi Line trains.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Yotsubashi Line depot Triple: [Osaka Metro 23 series, primaryDepot, Yotsubashi Line depot]
Generated description
Yotsubashi Line depot is a maintenance and storage facility serving Osaka Metro’s Yotsubashi Line rolling stock.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Yotsubashi Line depot Target entity description: Yotsubashi Line depot is a maintenance and storage facility serving Osaka Metro’s Yotsubashi Line rolling stock.
-
A.
Shinkiba Depot
Shinkiba Depot is a Tokyo Metro rail facility in the Shinkiba area used for the storage, inspection, and maintenance of Yurakuchō Line trains.
-
B.
Morinomiya Depot
Morinomiya Depot is a major Osaka Metro facility used for the storage, inspection, and maintenance of trains serving the Sennichimae Line and other routes.
-
C.
Oshima Depot
Oshima Depot is a maintenance and storage facility for trains operating on Tokyo’s Toei Shinjuku Line.
-
D.
Hineno Depot
Hineno Depot is a West Japan Railway Company (JR West) train maintenance and storage facility in Osaka Prefecture that services limited express and other EMU fleets.
-
E.
Nakano Depot
Nakano Depot is a major Tokyo Metro facility used for the storage, inspection, and maintenance of Marunouchi Line trains.
- F. None of above. chosen
Provenance (5 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_69d85a0f08408190b3c3259ae35d79d2 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e0084b97908190b3bf7ea7bd75bdc0 |
completed | April 15, 2026, 9:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fef893e73c8190804c14fa1890ac8b |
completed | May 9, 2026, 9:04 a.m. |
| NEDg | Description generation | batch_69fef95ca03881908210437ca16a9e5c |
completed | May 9, 2026, 9:07 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fef99a9f2c8190b03be9bef02aba74 |
completed | May 9, 2026, 9:08 a.m. |
Created at: April 10, 2026, 3:13 a.m.