Triple
T6203638
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keio Corporation |
E138695
|
entity |
| Predicate | ownsSubsidiary |
P9212
|
FINISHED |
| Object |
Keio Bus Minami
Keio Bus Minami is a Japanese bus company operating local and regional bus services as part of the Keio Group’s transportation network.
|
E168932
|
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: Keio Bus Minami | Statement: [Keio Corporation, ownsSubsidiary, Keio Bus Minami]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keio Bus Minami Context triple: [Keio Corporation, ownsSubsidiary, Keio Bus Minami]
-
A.
Keio Line bus services
Keio Line bus services are a network of bus routes operated by the Keio Group in the Tokyo area, providing local and feeder connections to Keio railway stations and surrounding neighborhoods.
-
B.
Kyoto City Bus
Kyoto City Bus is the municipal bus system of Kyoto, Japan, providing extensive local public transportation throughout the city and its major attractions.
-
C.
Tokyu Bus
Tokyu Bus is a Japanese bus operator providing local and intercity bus services primarily in the Tokyo and Kanagawa areas.
-
D.
Keio Inokashira Line
The Keio Inokashira Line is a private railway line in Tokyo operated by Keio Corporation, connecting Shibuya with the western suburb of Kichijōji and serving several popular residential and commercial districts along the way.
-
E.
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.
- 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: Keio Bus Minami Triple: [Keio Corporation, ownsSubsidiary, Keio Bus Minami]
Generated description
Keio Bus Minami is a Japanese bus company operating local and regional bus services as part of the Keio Group’s transportation network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keio Bus Minami Target entity description: Keio Bus Minami is a Japanese bus company operating local and regional bus services as part of the Keio Group’s transportation network.
-
A.
Keio Line bus services
chosen
Keio Line bus services are a network of bus routes operated by the Keio Group in the Tokyo area, providing local and feeder connections to Keio railway stations and surrounding neighborhoods.
-
B.
Kyoto City Bus
Kyoto City Bus is the municipal bus system of Kyoto, Japan, providing extensive local public transportation throughout the city and its major attractions.
-
C.
Tokyu Bus
Tokyu Bus is a Japanese bus operator providing local and intercity bus services primarily in the Tokyo and Kanagawa areas.
-
D.
Keio Inokashira Line
The Keio Inokashira Line is a private railway line in Tokyo operated by Keio Corporation, connecting Shibuya with the western suburb of Kichijōji and serving several popular residential and commercial districts along the way.
-
E.
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.
- F. None of above.
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_69c008acbea48190991c6b834bb45d65 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c0626c23f481909d2b5b0a75c2ffff |
completed | March 22, 2026, 9:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c5e3dd76508190aba82a4a74c74bea |
completed | March 27, 2026, 1:56 a.m. |
| NEDg | Description generation | batch_69c5eb3db09c81909fd0e11e18d47394 |
completed | March 27, 2026, 2:28 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c5ebb252c88190bfb697e5804767fa |
completed | March 27, 2026, 2:30 a.m. |
Created at: March 22, 2026, 4:20 p.m.