Triple
T11676282
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keikyu Corporation |
E277499
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object | Keikyu Zushi Line |
—
|
NE NERFINISHED |
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: Keikyu Zushi Line | Statement: [Keikyu Corporation, operates, Keikyu Zushi Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keikyu Zushi Line Context triple: [Keikyu Corporation, operates, Keikyu Zushi Line]
-
A.
Keikyu Daishi Line
The Keikyu Daishi Line is a short commuter railway line in Kawasaki, Kanagawa Prefecture, Japan, providing local transit service as part of the Keikyu network.
-
B.
Keikyū Zushi Line
chosen
The Keikyū Zushi Line is a commuter railway line in the Greater Tokyo area of Japan operated by Keikyu, connecting urban Yokohama with the coastal Zushi region.
-
C.
Keikyū Kurihama Line
The Keikyū Kurihama Line is a commuter railway line in Kanagawa Prefecture, Japan, operated by Keikyu, linking southern Yokosuka with the Miura Peninsula and providing access toward central Tokyo.
-
D.
Fukutoshin Line
The Fukutoshin Line is a Tokyo Metro subway line in Tokyo, Japan, connecting major commercial and residential districts such as Shibuya, Shinjuku, and Ikebukuro.
-
E.
Takashinohama Line
The Takashinohama Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passenger traffic.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d6aafd0a448190b44da30af8c6c519 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a44504c48190b519765a83ff9c5e |
completed | April 10, 2026, 7:18 a.m. |
Created at: April 8, 2026, 9:40 p.m.