Triple
T20600295
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyu Setagaya Line |
E506158
|
entity |
| Predicate | formerName |
P65
|
FINISHED |
| Object | Setagaya Line of Tamaden |
—
|
NE NERFINISHED |
How this triple was built (3 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: Setagaya Line of Tamaden | Statement: [Tokyu Setagaya Line, formerName, Setagaya Line of Tamaden]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Setagaya Line of Tamaden Context triple: [Tokyu Setagaya Line, formerName, Setagaya Line of Tamaden]
-
A.
Yurikamome Line
The Yurikamome Line is an automated, elevated transit line in Tokyo that connects central Tokyo with the Odaiba waterfront area, offering scenic views including a crossing of the Rainbow Bridge.
-
B.
Tama Toshi Monorail Line
The Tama Toshi Monorail Line is an urban monorail system in western Tokyo, Japan, providing north–south transit through the Tama area and connecting key hubs such as Tachikawa.
-
C.
Seibu Tamako Line
The Seibu Tamako Line is a commuter railway line in western Tokyo, Japan, operated by Seibu Railway and serving suburban residential areas between Kokubunji and the Tama region.
-
D.
Tokyo Metro Fukutoshin Line
The Tokyo Metro Fukutoshin Line is a major Tokyo subway line running north–south through central and suburban areas, connecting key hubs such as Shibuya with other important districts.
-
E.
Tokyu Den-en-toshi Line
Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Setagaya Line of Tamaden Target entity description: Setagaya Line of Tamaden was the former name of what is now the Tokyu Setagaya Line, a light rail/tram route serving Tokyo’s Setagaya ward.
-
A.
Yurikamome Line
The Yurikamome Line is an automated, elevated transit line in Tokyo that connects central Tokyo with the Odaiba waterfront area, offering scenic views including a crossing of the Rainbow Bridge.
-
B.
Tama Toshi Monorail Line
The Tama Toshi Monorail Line is an urban monorail system in western Tokyo, Japan, providing north–south transit through the Tama area and connecting key hubs such as Tachikawa.
-
C.
Seibu Tamako Line
The Seibu Tamako Line is a commuter railway line in western Tokyo, Japan, operated by Seibu Railway and serving suburban residential areas between Kokubunji and the Tama region.
-
D.
Tokyo Metro Fukutoshin Line
The Tokyo Metro Fukutoshin Line is a major Tokyo subway line running north–south through central and suburban areas, connecting key hubs such as Shibuya with other important districts.
-
E.
Tokyu Den-en-toshi Line
Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
- F. None of above. chosen
Provenance (2 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_69e0b4ba6ae88190af871e1f9522c704 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6aa1ef9ac8190b05e23c149529cb9 |
completed | April 20, 2026, 10:35 p.m. |
Created at: April 16, 2026, 11:41 a.m.