Triple
T3040070
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagoya Station |
E83103
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Nagoya City Transportation Bureau
The Nagoya City Transportation Bureau is the municipal authority responsible for operating Nagoya’s public transit network, including its subway and bus systems.
|
E324253
|
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: Nagoya City Transportation Bureau | Statement: [Nagoya Station, operator, Nagoya City Transportation Bureau]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagoya City Transportation Bureau Context triple: [Nagoya Station, operator, Nagoya City Transportation Bureau]
-
A.
Nagoya Port Authority
Nagoya Port Authority is the public body responsible for managing and developing the Port of Nagoya, one of Japan’s largest and busiest international trade hubs.
-
B.
Tokyo Metropolitan Bureau of Transportation
The Tokyo Metropolitan Bureau of Transportation is the local government agency that operates key public transit services in Tokyo, including subways, trams, and buses.
-
C.
Teito Rapid Transit Authority
Teito Rapid Transit Authority was the former public operator of several Tokyo subway lines before its privatization and reorganization as Tokyo Metro.
-
D.
Kyoto Municipal Transportation Bureau
Kyoto Municipal Transportation Bureau is the local government agency responsible for operating and managing public transportation services, including the subway system, in Kyoto, Japan.
-
E.
Osaka Monorail Co., Ltd.
Osaka Monorail Co., Ltd. is the railway company that operates the Osaka Monorail transit system in Osaka Prefecture, Japan.
- 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: Nagoya City Transportation Bureau Triple: [Nagoya Station, operator, Nagoya City Transportation Bureau]
Generated description
The Nagoya City Transportation Bureau is the municipal authority responsible for operating Nagoya’s public transit network, including its subway and bus systems.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nagoya City Transportation Bureau Target entity description: The Nagoya City Transportation Bureau is the municipal authority responsible for operating Nagoya’s public transit network, including its subway and bus systems.
-
A.
Nagoya Port Authority
Nagoya Port Authority is the public body responsible for managing and developing the Port of Nagoya, one of Japan’s largest and busiest international trade hubs.
-
B.
Tokyo Metropolitan Bureau of Transportation
The Tokyo Metropolitan Bureau of Transportation is the local government agency that operates key public transit services in Tokyo, including subways, trams, and buses.
-
C.
Teito Rapid Transit Authority
Teito Rapid Transit Authority was the former public operator of several Tokyo subway lines before its privatization and reorganization as Tokyo Metro.
-
D.
Kyoto Municipal Transportation Bureau
Kyoto Municipal Transportation Bureau is the local government agency responsible for operating and managing public transportation services, including the subway system, in Kyoto, Japan.
-
E.
Osaka Monorail Co., Ltd.
Osaka Monorail Co., Ltd. is the railway company that operates the Osaka Monorail transit system in Osaka Prefecture, Japan.
- 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_69ad8b2298908190a7cb4e9bdbf064d0 |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad9b59fea8819091796e30812df9c5 |
completed | March 8, 2026, 3:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b1f86cfcac81908122f1afd79ce29a |
completed | March 11, 2026, 11:19 p.m. |
| NEDg | Description generation | batch_69b1f8d3ff288190bd79bfc99d06c3ca |
completed | March 11, 2026, 11:20 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b1f94b3e3c8190b8ce0531a7c54902 |
completed | March 11, 2026, 11:22 p.m. |
Created at: March 8, 2026, 3:01 p.m.