Triple
T1183166
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Hanzomon Line |
E25185
|
entity |
| Predicate | depot |
P14646
|
FINISHED |
| Object |
Saginuma Depot
Saginuma Depot is a maintenance and storage facility for Tokyo Metro trains serving the Hanzomon Line in the Tokyo area.
|
E333547
|
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: Saginuma Depot | Statement: [Tokyo Metro Hanzomon Line, depot, Saginuma Depot]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Saginuma Depot Context triple: [Tokyo Metro Hanzomon Line, depot, Saginuma Depot]
-
A.
Ebisu Station
Ebisu Station is a major railway hub in Tokyo’s Shibuya ward, known for its convenient connections and proximity to the popular Ebisu commercial and entertainment district.
-
B.
Senkawa Station
Senkawa Station is a subway station in Tokyo, Japan, serving passengers on the Tokyo Metro network.
-
C.
Sugamo Station
Sugamo Station is a railway station in Tokyo’s Toshima ward that serves as a local transit hub, notably on the JR Yamanote Line and the Toei Mita Line, providing access to the nearby Jizō-dōri shopping street.
-
D.
Tsukamoto Station
Tsukamoto Station is a railway station in Osaka, Japan, served by JR West and located just west of the major Osaka Station on the Tōkaidō Main Line (JR Kobe Line).
-
E.
Tenma Station
Tenma Station is a railway station in Osaka, Japan, serving local commuter traffic on the Osaka Loop Line.
- 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: Saginuma Depot Triple: [Tokyo Metro Hanzomon Line, depot, Saginuma Depot]
Generated description
Saginuma Depot is a maintenance and storage facility for Tokyo Metro trains serving the Hanzomon Line in the Tokyo area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Saginuma Depot Target entity description: Saginuma Depot is a maintenance and storage facility for Tokyo Metro trains serving the Hanzomon Line in the Tokyo area.
-
A.
Ebisu Station
Ebisu Station is a major railway hub in Tokyo’s Shibuya ward, known for its convenient connections and proximity to the popular Ebisu commercial and entertainment district.
-
B.
Senkawa Station
Senkawa Station is a subway station in Tokyo, Japan, serving passengers on the Tokyo Metro network.
-
C.
Sugamo Station
Sugamo Station is a railway station in Tokyo’s Toshima ward that serves as a local transit hub, notably on the JR Yamanote Line and the Toei Mita Line, providing access to the nearby Jizō-dōri shopping street.
-
D.
Tsukamoto Station
Tsukamoto Station is a railway station in Osaka, Japan, served by JR West and located just west of the major Osaka Station on the Tōkaidō Main Line (JR Kobe Line).
-
E.
Tenma Station
Tenma Station is a railway station in Osaka, Japan, serving local commuter traffic on the Osaka Loop Line.
- 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_69a494267b4c819088c97a59182bf56a |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bd35fb888190adf1e5d0615fa725 |
completed | March 1, 2026, 10:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b234e0c7b081909dfd144ef2768e18 |
completed | March 12, 2026, 3:37 a.m. |
| NEDg | Description generation | batch_69b23634df448190b63f08b107511cb2 |
completed | March 12, 2026, 3:42 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b236f6ca1c8190ad3ca4f329d1a5ae |
completed | March 12, 2026, 3:45 a.m. |
Created at: March 1, 2026, 7:45 p.m.