Triple
T11676284
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keikyu Corporation |
E277499
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object |
Keikyu Aburatsubo Line (former)
The Keikyu Aburatsubo Line (former) was a now-defunct railway line in Kanagawa Prefecture, Japan, once operated by Keikyu Corporation to serve the Aburatsubo coastal area.
|
E940431
|
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 Aburatsubo Line (former) | Statement: [Keikyu Corporation, operates, Keikyu Aburatsubo Line (former)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keikyu Aburatsubo Line (former) Context triple: [Keikyu Corporation, operates, Keikyu Aburatsubo Line (former)]
-
A.
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.
-
B.
Sakurajima Line
The Sakurajima Line is a short JR West railway line in Osaka, Japan, primarily serving access to Universal Studios Japan and nearby waterfront areas.
-
C.
Daiyūzan Line
The Daiyūzan Line is a regional railway line in Kanagawa Prefecture, Japan, operated by Izuhakone Railway and connecting Odawara with the Daiyūzan area.
-
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.
Karasuyama Line
The Karasuyama Line is a regional railway line in Tochigi Prefecture, Japan, operated by JR East and connecting Utsunomiya with the town of Nasukarasuyama.
- 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 Aburatsubo Line (former) Triple: [Keikyu Corporation, operates, Keikyu Aburatsubo Line (former)]
Generated description
The Keikyu Aburatsubo Line (former) was a now-defunct railway line in Kanagawa Prefecture, Japan, once operated by Keikyu Corporation to serve the Aburatsubo coastal area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keikyu Aburatsubo Line (former) Target entity description: The Keikyu Aburatsubo Line (former) was a now-defunct railway line in Kanagawa Prefecture, Japan, once operated by Keikyu Corporation to serve the Aburatsubo coastal area.
-
A.
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.
-
B.
Sakurajima Line
The Sakurajima Line is a short JR West railway line in Osaka, Japan, primarily serving access to Universal Studios Japan and nearby waterfront areas.
-
C.
Daiyūzan Line
The Daiyūzan Line is a regional railway line in Kanagawa Prefecture, Japan, operated by Izuhakone Railway and connecting Odawara with the Daiyūzan area.
-
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.
Karasuyama Line
The Karasuyama Line is a regional railway line in Tochigi Prefecture, Japan, operated by JR East and connecting Utsunomiya with the town of Nasukarasuyama.
- 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_69ef13f12c2481909171a3237064c76d |
completed | April 27, 2026, 7:44 a.m. |
| NEDg | Description generation | batch_69ef3551b9a88190a9b30bcb2592628b |
completed | April 27, 2026, 10:07 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ef51c17078819083f05036f290ce09 |
completed | April 27, 2026, 12:08 p.m. |
Created at: April 8, 2026, 9:40 p.m.