Triple
T8487188
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chūō-ku, Sapporo |
E200859
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object |
Hokkaidō Prefectural Government Office Building
The Hokkaidō Prefectural Government Office Building is a historic red-brick landmark in Sapporo that once served as the main administrative center of Hokkaidō and now functions as a symbol of the region and a popular tourist attraction.
|
E739833
|
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: Hokkaidō Prefectural Government Office Building | Statement: [Chūō-ku, Sapporo, contains, Hokkaidō Prefectural Government Office Building]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hokkaidō Prefectural Government Office Building Context triple: [Chūō-ku, Sapporo, contains, Hokkaidō Prefectural Government Office Building]
-
A.
Sapporo City Hall
Sapporo City Hall is the main municipal government building and administrative center of the city of Sapporo in Hokkaido, Japan.
-
B.
Wakkanai City Hall
Wakkanai City Hall is the municipal government building and administrative center responsible for managing public services and local affairs in Wakkanai, Japan.
-
C.
Nagano City Hall
Nagano City Hall is the main municipal government building and administrative center for the city of Nagano, Japan.
-
D.
Kasumigaseki Building
Kasumigaseki Building is one of Tokyo’s earliest and most iconic high-rise office skyscrapers, symbolizing Japan’s postwar modernization.
-
E.
Izumo City Hall
Izumo City Hall is the main administrative building and local government headquarters serving the city of Izumo in Shimane 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: Hokkaidō Prefectural Government Office Building Triple: [Chūō-ku, Sapporo, contains, Hokkaidō Prefectural Government Office Building]
Generated description
The Hokkaidō Prefectural Government Office Building is a historic red-brick landmark in Sapporo that once served as the main administrative center of Hokkaidō and now functions as a symbol of the region and a popular tourist attraction.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hokkaidō Prefectural Government Office Building Target entity description: The Hokkaidō Prefectural Government Office Building is a historic red-brick landmark in Sapporo that once served as the main administrative center of Hokkaidō and now functions as a symbol of the region and a popular tourist attraction.
-
A.
Sapporo City Hall
Sapporo City Hall is the main municipal government building and administrative center of the city of Sapporo in Hokkaido, Japan.
-
B.
Wakkanai City Hall
Wakkanai City Hall is the municipal government building and administrative center responsible for managing public services and local affairs in Wakkanai, Japan.
-
C.
Nagano City Hall
Nagano City Hall is the main municipal government building and administrative center for the city of Nagano, Japan.
-
D.
Kasumigaseki Building
Kasumigaseki Building is one of Tokyo’s earliest and most iconic high-rise office skyscrapers, symbolizing Japan’s postwar modernization.
-
E.
Izumo City Hall
Izumo City Hall is the main administrative building and local government headquarters serving the city of Izumo in Shimane 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_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_69ce4df197c48190812c5287119e5528 |
completed | April 2, 2026, 11:07 a.m. |
| NEDg | Description generation | batch_69ce4ff668d4819081f4c3186437291b |
completed | April 2, 2026, 11:16 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce54cc52cc81908ca48c93956ca86e |
completed | April 2, 2026, 11:36 a.m. |
Created at: March 30, 2026, 6:13 p.m.