Triple
T10687400
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Meguro Ward |
E251913
|
entity |
| Predicate | hasRailLine |
P848
|
FINISHED |
| Object | Tokyu Toyoko Line |
E26237
|
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 Toyoko Line | Statement: [Meguro Ward, hasRailLine, Tokyu Toyoko Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyu Toyoko Line Context triple: [Meguro Ward, hasRailLine, Tokyu Toyoko Line]
-
A.
Tokyu Toyoko Line
chosen
The Tokyu Toyoko Line is a major private railway line in the Tokyo–Yokohama area that connects central Tokyo with Yokohama and links to multiple subway and intercity rail services.
-
B.
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.
-
C.
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.
-
D.
Seibu Ikebukuro Line
The Seibu Ikebukuro Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Ikebukuro in central Tokyo with suburban destinations in Saitama Prefecture.
-
E.
Tokyu Setagaya Line
The Tokyu Setagaya Line is a light rail/tram line in Tokyo, Japan, operated by Tokyu Corporation and known for connecting Sangen-Jaya with the Setagaya area along a short, mostly street-level route.
- 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_69d6aa5bd7c08190a816e733b4045c23 |
completed | April 8, 2026, 7:19 p.m. |
| NER | Named-entity recognition | batch_69d6fd19f0f481909eeaa75d17d9c060 |
completed | April 9, 2026, 1:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd646ee860819083277b15aaf510fd |
completed | May 8, 2026, 4:19 a.m. |
Created at: April 8, 2026, 9:10 p.m.