Triple
T9942851
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metropolitan Bureau of Transportation |
E194125
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object |
Toei Bus
Toei Bus is a major public bus network serving Tokyo, Japan, as part of the city’s municipal transportation system.
|
E830745
|
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: Toei Bus | Statement: [Tokyo Metropolitan Bureau of Transportation, operates, Toei Bus]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Toei Bus Context triple: [Tokyo Metropolitan Bureau of Transportation, operates, Toei Bus]
-
A.
Odakyu Bus
Odakyu Bus is a Japanese bus company operating local and highway bus services, primarily in the Tokyo and Kanagawa areas, as part of the Odakyu Group’s transportation network.
-
B.
Tokyu Bus
Tokyu Bus is a Japanese bus operator providing local and intercity bus services primarily in the Tokyo and Kanagawa areas.
-
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.
Kōtetsu
Kōtetsu was an ironclad warship of the Imperial Japanese Navy that played a decisive role in ending the Boshin War and symbolized Japan’s early naval modernization.
-
E.
Nishitetsu bus network
The Nishitetsu bus network is a major public bus system in Fukuoka and surrounding areas of Kyushu, operated by Nishi-Nippon Railroad, providing extensive urban and regional transit services.
- 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: Toei Bus Triple: [Tokyo Metropolitan Bureau of Transportation, operates, Toei Bus]
Generated description
Toei Bus is a major public bus network serving Tokyo, Japan, as part of the city’s municipal transportation system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Toei Bus Target entity description: Toei Bus is a major public bus network serving Tokyo, Japan, as part of the city’s municipal transportation system.
-
A.
Odakyu Bus
Odakyu Bus is a Japanese bus company operating local and highway bus services, primarily in the Tokyo and Kanagawa areas, as part of the Odakyu Group’s transportation network.
-
B.
Tokyu Bus
Tokyu Bus is a Japanese bus operator providing local and intercity bus services primarily in the Tokyo and Kanagawa areas.
-
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.
Kōtetsu
Kōtetsu was an ironclad warship of the Imperial Japanese Navy that played a decisive role in ending the Boshin War and symbolized Japan’s early naval modernization.
-
E.
Nishitetsu bus network
The Nishitetsu bus network is a major public bus system in Fukuoka and surrounding areas of Kyushu, operated by Nishi-Nippon Railroad, providing extensive urban and regional transit services.
- 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_69ca82e409348190a393777356b80a2a |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cdb6124a188190b41feadb7b2f8922 |
completed | April 2, 2026, 12:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d22911a9ac81909caa2afb30e4860b |
completed | April 5, 2026, 9:19 a.m. |
| NEDg | Description generation | batch_69d22ad44b748190a774a2b2f8d5fabf |
completed | April 5, 2026, 9:26 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d22b37ce8481909a52a144605d44a4 |
completed | April 5, 2026, 9:28 a.m. |
Created at: March 30, 2026, 8:45 p.m.