Triple
T7328380
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keio Line bus services |
E168932
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Keio Bus Chuo
Keio Bus Chuo is a Japanese bus company that operates local and express routes primarily serving areas along the Keio railway network in the Tokyo metropolitan region.
|
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 Chuo | Statement: [Keio Line bus services, operator, Keio Bus Chuo]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keio Bus Chuo Context triple: [Keio Line bus services, operator, Keio Bus Chuo]
-
A.
Tokyu Bus
Tokyu Bus is a Japanese bus operator providing local and intercity bus services primarily in the Tokyo and Kanagawa areas.
-
B.
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.
-
C.
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.
-
D.
Keio Corporation Railway Division
Keio Corporation Railway Division is the rail transport arm of Keio Corporation, operating commuter and interurban railway lines in the Tokyo metropolitan area.
-
E.
Seibu Railway
Seibu Railway is a major private railway operator in the Greater Tokyo area of Japan, running extensive commuter and interurban train services across Tokyo and Saitama.
- 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 Chuo Triple: [Keio Line bus services, operator, Keio Bus Chuo]
Generated description
Keio Bus Chuo is a Japanese bus company that operates local and express routes primarily serving areas along the Keio railway network in the Tokyo metropolitan region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keio Bus Chuo Target entity description: Keio Bus Chuo is a Japanese bus company that operates local and express routes primarily serving areas along the Keio railway network in the Tokyo metropolitan region.
-
A.
Tokyu Bus
Tokyu Bus is a Japanese bus operator providing local and intercity bus services primarily in the Tokyo and Kanagawa areas.
-
B.
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.
-
C.
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.
-
D.
Keio Corporation Railway Division
Keio Corporation Railway Division is the rail transport arm of Keio Corporation, operating commuter and interurban railway lines in the Tokyo metropolitan area.
-
E.
Seibu Railway
Seibu Railway is a major private railway operator in the Greater Tokyo area of Japan, running extensive commuter and interurban train services across Tokyo and Saitama.
- 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_69c68a54cacc81908e3b773441f19566 |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f0a879b88190bef0fb6cbae411ff |
completed | March 27, 2026, 9:03 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c802ae19d88190a2f7997a6f3dfb1e |
completed | March 28, 2026, 4:32 p.m. |
| NEDg | Description generation | batch_69c8039e1aa0819090a4a336c2f85583 |
completed | March 28, 2026, 4:36 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c803fc447c8190b1d16b47c90f982b |
completed | March 28, 2026, 4:38 p.m. |
Created at: March 27, 2026, 3:03 p.m.