Triple
T8487136
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sapporo Streetcar |
E200858
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Sapporo City Transportation Bureau
The Sapporo City Transportation Bureau is the municipal agency responsible for operating and managing public transit services, including subways and streetcars, in Sapporo, Japan.
|
E736193
|
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: Sapporo City Transportation Bureau | Statement: [Sapporo Streetcar, operator, Sapporo City Transportation Bureau]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sapporo City Transportation Bureau Context triple: [Sapporo Streetcar, operator, Sapporo City Transportation Bureau]
-
A.
Sapporo Tourist Association
The Sapporo Tourist Association is a local tourism organization in Sapporo, Japan, responsible for promoting the city and managing major events that attract domestic and international visitors.
-
B.
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.
-
C.
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.
-
D.
Sapporo Municipal Subway
Sapporo Municipal Subway is the rapid transit system serving the city of Sapporo in Hokkaido, Japan, providing urban rail transportation across several key lines and stations.
-
E.
Hokkaido Development Agency of Japan
The Hokkaido Development Agency of Japan was a former government body responsible for coordinating and promoting the economic and regional development of Japan’s northernmost island, Hokkaido.
- 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: Sapporo City Transportation Bureau Triple: [Sapporo Streetcar, operator, Sapporo City Transportation Bureau]
Generated description
The Sapporo City Transportation Bureau is the municipal agency responsible for operating and managing public transit services, including subways and streetcars, in Sapporo, Japan.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sapporo City Transportation Bureau Target entity description: The Sapporo City Transportation Bureau is the municipal agency responsible for operating and managing public transit services, including subways and streetcars, in Sapporo, Japan.
-
A.
Sapporo Tourist Association
The Sapporo Tourist Association is a local tourism organization in Sapporo, Japan, responsible for promoting the city and managing major events that attract domestic and international visitors.
-
B.
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.
-
C.
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.
-
D.
Sapporo Municipal Subway
Sapporo Municipal Subway is the rapid transit system serving the city of Sapporo in Hokkaido, Japan, providing urban rail transportation across several key lines and stations.
-
E.
Hokkaido Development Agency of Japan
The Hokkaido Development Agency of Japan was a former government body responsible for coordinating and promoting the economic and regional development of Japan’s northernmost island, Hokkaido.
- 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_69ca831d7b148190a6e32c1de43ab13b |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe53c4d608190a766c0e919a4b96f |
completed | March 31, 2026, 3:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce3a45e30c8190838ac499bbc66fbd |
completed | April 2, 2026, 9:43 a.m. |
| NEDg | Description generation | batch_69ce3c22f3c0819084803630d438c55e |
completed | April 2, 2026, 9:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce3ca57ec081909a14d962eee2c9a5 |
completed | April 2, 2026, 9:53 a.m. |
Created at: March 30, 2026, 6:13 p.m.