Triple
T11676281
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keikyu Corporation |
E277499
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object |
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.
|
E1291542
|
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: Keikyu Daishi Line | Statement: [Keikyu Corporation, operates, Keikyu Daishi Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keikyu Daishi Line Context triple: [Keikyu Corporation, operates, Keikyu Daishi Line]
-
A.
Keikyū Zushi Line
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.
-
B.
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.
-
C.
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.
-
D.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
E.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
- 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: Keikyu Daishi Line Triple: [Keikyu Corporation, operates, Keikyu Daishi Line]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keikyu Daishi Line Target entity description: 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.
-
A.
Keikyū Zushi Line
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.
-
B.
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.
-
C.
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.
-
D.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
E.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
- 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_69d6aafd0a448190b44da30af8c6c519 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a44504c48190b519765a83ff9c5e |
completed | April 10, 2026, 7:18 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a030c468b508190a1d683ff354c235c |
completed | May 12, 2026, 11:17 a.m. |
| NEDg | Description generation | batch_6a030ce6e0248190854acf6ad772cb08 |
completed | May 12, 2026, 11:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a030d4d117c8190a115b86df7990087 |
completed | May 12, 2026, 11:21 a.m. |
Created at: April 8, 2026, 9:40 p.m.