Triple
T2825974
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Setagaya |
E54921
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Tokyu Den-en-toshi Line |
E25960
|
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: Tokyu Den-en-toshi Line | Statement: [Setagaya, servedBy, Tokyu Den-en-toshi Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyu Den-en-toshi Line Context triple: [Setagaya, servedBy, Tokyu Den-en-toshi Line]
-
A.
Tokyu Den-en-toshi Line
chosen
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.
-
B.
Toei Mita Line
The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
-
C.
Tokyo Metro Marunouchi Line
The Tokyo Metro Marunouchi Line is one of Tokyo’s main subway lines, running in a loop-like route through central districts and connecting major hubs such as Shinjuku, Tokyo, and Ikebukuro.
-
D.
Seibu Yurakucho Line
The Seibu Yurakucho Line is a commuter railway line in Tokyo operated by Seibu Railway, linking the Seibu Ikebukuro Line with central Tokyo subway networks.
-
E.
Tokyu Meguro Line
The Tokyu Meguro Line is a commuter railway line in Tokyo and Kanagawa operated by Tokyu Corporation, linking central Tokyo with its southwestern suburbs and offering through services onto various subway and other private railway lines.
- 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_69ab49e100c0819082a40cb797383243 |
completed | March 6, 2026, 9:40 p.m. |
| NER | Named-entity recognition | batch_69abde94ba848190b2c990936e07e6bb |
completed | March 7, 2026, 8:15 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bef7d61c988190ae814cef9e726ae6 |
completed | March 21, 2026, 7:56 p.m. |
Created at: March 6, 2026, 9:59 p.m.