Triple
T15125588
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keikyū Airport Line |
E361280
|
entity |
| Predicate | partOfNetwork |
P840
|
FINISHED |
| Object |
Keikyū network
The Keikyū network is a private railway system in the Greater Tokyo area of Japan, known for its fast commuter and airport access services connecting central Tokyo with Yokohama and Haneda Airport.
|
E1139382
|
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: Keikyū network | Statement: [Keikyū Airport Line, partOfNetwork, Keikyū network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keikyū network Context triple: [Keikyū Airport Line, partOfNetwork, Keikyū network]
-
A.
Keiō New Line
The Keiō New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation and serving as an underground extension of the main Keio Line into central Tokyo.
-
B.
Keihan Electric Railway network
The Keihan Electric Railway network is a private railway system in Japan that primarily connects the Osaka and Kyoto metropolitan areas, serving as a major commuter and intercity transport corridor in the Kansai region.
-
C.
Eizan Cable
Eizan Cable is a cable railway line in Kyoto, Japan, that transports passengers up the slopes of Mount Hiei.
-
D.
Saitama Railway
Saitama Railway is a Japanese railway company operating a key commuter line that connects Saitama Prefecture with the greater Tokyo metropolitan rail network.
-
E.
Keifuku Electric Railroad
Keifuku Electric Railroad is a Japanese private railway company in Kyoto best known for operating the Randen tram lines that serve popular sightseeing areas such as Arashiyama.
- 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: Keikyū network Triple: [Keikyū Airport Line, partOfNetwork, Keikyū network]
Generated description
The Keikyū network is a private railway system in the Greater Tokyo area of Japan, known for its fast commuter and airport access services connecting central Tokyo with Yokohama and Haneda Airport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keikyū network Target entity description: The Keikyū network is a private railway system in the Greater Tokyo area of Japan, known for its fast commuter and airport access services connecting central Tokyo with Yokohama and Haneda Airport.
-
A.
Keiō New Line
The Keiō New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation and serving as an underground extension of the main Keio Line into central Tokyo.
-
B.
Keihan Electric Railway network
The Keihan Electric Railway network is a private railway system in Japan that primarily connects the Osaka and Kyoto metropolitan areas, serving as a major commuter and intercity transport corridor in the Kansai region.
-
C.
Eizan Cable
Eizan Cable is a cable railway line in Kyoto, Japan, that transports passengers up the slopes of Mount Hiei.
-
D.
Saitama Railway
Saitama Railway is a Japanese railway company operating a key commuter line that connects Saitama Prefecture with the greater Tokyo metropolitan rail network.
-
E.
Keifuku Electric Railroad
Keifuku Electric Railroad is a Japanese private railway company in Kyoto best known for operating the Randen tram lines that serve popular sightseeing areas such as Arashiyama.
- 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_69d85a06450081909c5a14ea9851a15e |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e005a1b9288190954f2d92549805e5 |
completed | April 15, 2026, 9:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69feb7f67f6c81909723c13255306668 |
completed | May 9, 2026, 4:28 a.m. |
| NEDg | Description generation | batch_69feb988f17c81908ea237e413d4adb1 |
completed | May 9, 2026, 4:35 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69feba0d2ad081908f637740e8714cc1 |
completed | May 9, 2026, 4:37 a.m. |
Created at: April 10, 2026, 3:06 a.m.