Triple
T11676304
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keikyu Corporation |
E277499
|
entity |
| Predicate | nameMeaning |
P453
|
FINISHED |
| Object |
Keihin Kyūkō (Tokyo–Yokohama express)
Keihin Kyūkō (Tokyo–Yokohama express) is the original full name and meaning behind the private Japanese railway operator now known as Keikyu Corporation, which runs major commuter and airport rail services between Tokyo and Yokohama.
|
E940433
|
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: Keihin Kyūkō (Tokyo–Yokohama express) | Statement: [Keikyu Corporation, nameMeaning, Keihin Kyūkō (Tokyo–Yokohama express)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keihin Kyūkō (Tokyo–Yokohama express) Context triple: [Keikyu Corporation, nameMeaning, Keihin Kyūkō (Tokyo–Yokohama express)]
-
A.
Tsukuba Express
Tsukuba Express is a high-speed commuter railway line in Japan connecting central Tokyo with the city of Tsukuba in Ibaraki Prefecture.
-
B.
Narita Express
Narita Express is a limited express train service in Japan that provides fast, direct rail connections between central Tokyo and Narita International Airport.
-
C.
Rokkō Liner
Rokkō Liner is an automated guideway transit line in Kobe, Japan, connecting the artificial island of Rokkō Island with the mainland.
-
D.
Keisei Skyliner
Keisei Skyliner is a high-speed limited express train service in Japan that links central Tokyo with Narita International Airport.
-
E.
JR Chuo-Sobu Line
The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
- 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: Keihin Kyūkō (Tokyo–Yokohama express) Triple: [Keikyu Corporation, nameMeaning, Keihin Kyūkō (Tokyo–Yokohama express)]
Generated description
Keihin Kyūkō (Tokyo–Yokohama express) is the original full name and meaning behind the private Japanese railway operator now known as Keikyu Corporation, which runs major commuter and airport rail services between Tokyo and Yokohama.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keihin Kyūkō (Tokyo–Yokohama express) Target entity description: Keihin Kyūkō (Tokyo–Yokohama express) is the original full name and meaning behind the private Japanese railway operator now known as Keikyu Corporation, which runs major commuter and airport rail services between Tokyo and Yokohama.
-
A.
Tsukuba Express
Tsukuba Express is a high-speed commuter railway line in Japan connecting central Tokyo with the city of Tsukuba in Ibaraki Prefecture.
-
B.
Narita Express
Narita Express is a limited express train service in Japan that provides fast, direct rail connections between central Tokyo and Narita International Airport.
-
C.
Rokkō Liner
Rokkō Liner is an automated guideway transit line in Kobe, Japan, connecting the artificial island of Rokkō Island with the mainland.
-
D.
Keisei Skyliner
Keisei Skyliner is a high-speed limited express train service in Japan that links central Tokyo with Narita International Airport.
-
E.
JR Chuo-Sobu Line
The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
- 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.